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Alcoa Inc patents


Recent patent applications related to Alcoa Inc. Alcoa Inc is listed as an Agent/Assignee. Note: Alcoa Inc may have other listings under different names/spellings. We're not affiliated with Alcoa Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Alcoa Inc-related inventors


Systems and methods of protecting electrolysis cell sidewalls

Broadly, the present disclosure relates to sidewall features (e.g. Inner sidewall or hot face) of an electrolysis cell, which protect the sidewall from the electrolytic bath while the cell is in operation (e.g. ... Alcoa Inc

Anode apparatus

The present disclosure related to an inert anode which is electrically connected to the electrolytic cell, such that a conductor rod is connected to the inert anode in order to supply current from a current supply to the inert anode, where the inert anode directs current into the electrolytic bath to produce non-ferrous metal (where current exits the cell via a cathode).. . ... Alcoa Inc

3xx aluminum casting alloys, and methods for making the same

New 3xx aluminum casting alloys are disclosed. The aluminum casting alloys generally include from 6.5 to 11.0 wt. ... Alcoa Inc

Fertilizer compositions and methods of making and using the same

Generally, the instant disclosure relates to fertilizer compositions and methods of making and using the same. More specifically, the instant disclosure relates to blast suppressant and/or blast resistant ammonium nitrate fertilizer compositions, as well as methods of making and using the same.. ... Alcoa Inc

Aluminum sheet with enhanced formability and an aluminum container made from aluminum sheet

In some embodiments of the present invention a method includes: obtaining a first aluminum alloy sheet formed from rolling a first ingot of a 3xxx or a 5xxx series aluminum alloy, wherein, prior to rolling, the first ingot has been heated to a sufficient temperature for a sufficient time to achieve a first dispersoid f/r of less than 7.65; and forming a container precursor from the first aluminum alloy sheet, wherein when the first aluminum alloy sheet is formed into the container precursor, the container precursor has less observed surface striations and ridges as compared to a container precursor formed from a second aluminum alloy sheet rolled from a second ingot having a second dispersoid f/r value of 7.65 or greater.. . ... Alcoa Inc

Ceramic products and methods of making thereof

In some embodiments, a ceramic armor product includes: a ceramic powder; an at least one metal-based additive; and a density of 4.3-4.7 g/cc, wherein the ceramic armor product is substantially lacking grain orientation. In some embodiments, a ceramic armor product, includes: a ceramic powder, wherein the ceramic powder is titanium diboride (tib2); an at least one metal-based additive, wherein the at least one metal based additive comprises elements ranging from atomic numbers 21 through 30, 39 through 51, and 57 through 77; and a density of 4.3-4.7 g/cc, wherein the ceramic armor product is substantially lacking grain orientation.. ... Alcoa Inc

Aluminum sheet with enhanced formability and an aluminum container made from aluminum sheet

In some embodiments of present disclosure, a method includes: obtaining an aluminum sheet comprising a 3xxx or a 5xxx alloy having a tensile yield strength as measured in the longitudinal direction of 27-33 ksi and an ultimate tensile strength; wherein the ultimate tensile strength minus the tensile yield strength is less than 3.30 ksi (uts-tys<3.30 ksi); and forming a container having a dome from the aluminum sheet.. . ... Alcoa Inc

Apparatus and methods for filtering metals

An apparatus and method for filtering molten metal, such as aluminum or an aluminum alloy includes at least one ceramic foam filter or any other type of filtration media such as porous tube or alumina balls disposed in a receptacle for the molten metal. A vibrator vibrates at least one of the filter, the receptacle or the metal and may be used to induce priming, filtering and/or drainage of the filter. ... Alcoa Inc

Shaped metal container and method for making same

A shaped metal container comprising less metal than prior art shaped metal containers while still able to handle sufficient axial load and undergo shaping processes, including necking, without wrinkling, buckling, collapsing or other physical defect is disclosed. Processes for shaping a metal container having a sidewall of variable thickness, wherein a portion of the sidewall having a variable thickness is shaped using a die or dies are also disclosed.. ... Alcoa Inc

Feeding systems and methods of using feeding systems

In one embodiment, a feed system for distributing fluidized feed material, comprises: a distribution unit configured to fluidize feed material; and a control unit fluidly coupled to the distribution unit, wherein the control unit comprises: a chamber configured to hold the feed material provided from the distribution unit; and a feeder unit fluidly coupled to the chamber: and a second gas inlet configured to provide gas to the chamber; and a material discharge pipe fluidly coupled to the chamber and the second gas inlet.. . ... Alcoa Inc

Apparatuses and systems for vertical electrolysis cells

In one embodiment, the disclosed subject matter relates to an electrolytic cell that has: a cell reservoir; a cathode support retained on a bottom of the cell reservoir, wherein the cathode support contacts at least one of: a metal pad and a molten electrolyte bath within the cell reservoir, wherein the cathode support includes: a body having a support bottom, which is configured to be in communication with the bottom of the electrolysis cell; and a support top, opposite the support bottom, having a cathode attachment area configured to retain a at least one cathode plate therein.. . ... Alcoa Inc

Electrode configurations for electrolytic cells and related methods

In one embodiment, an electrolytic cell for the production of aluminum from alumina includes: at least one anode module having a plurality of anodes; at least one cathode module, opposing the anode module, wherein the at least one cathode module comprises a plurality of cathodes, wherein the plurality of anodes are suspended above the cathode module and extending downwards towards the cathode module, wherein the plurality of cathodes are positioned extending upwards towards the anode module, wherein each of the plurality of anodes and each of the plurality of cathodes are alternatingly positioned, wherein the plurality of anodes is selectively positionable in a horizontal direction relative to adjacent cathodes, wherein the anode module is selectively positionable in a vertical direction relative to the cathode module, and wherein a portion of each of the anode electrodes overlap a portion of adjacent cathodes.. . ... Alcoa Inc

Insulation assembly for electrolysis cell

An insulation assembly is provided, including: a body of an insulating material with a lower surface configured to contact a sidewall an electrolysis cell; an upper surface generally opposed to the lower surface; and a perimetrical sidewall extending between the upper surface and the lower surface to surround the remainder of the body, the perimetrical sidewall including: an inner portion configured to face an anode surface of the electrolysis cell and provide a gap between the body and the anode surface of the electrolysis cell; wherein the body is configured to extend from the sidewall towards the anode surface.. . ... Alcoa Inc

Fertilizer compositions and methods of making and using the same

Generally, the instant disclosure relates to fertilizer compositions and methods of making and using the same. More specifically, the instant disclosure relates to blast suppressant and/or blast resistant ammonium nitrate fertilizer compositions, as well as methods of making and using the same.. ... Alcoa Inc

06/15/17 / #20170170439

Energy storage device and related methods

The present application provides for various embodiments of energy storage devices and various methods of utilizing the same.. . ... Alcoa Inc

05/04/17 / #20170122015

Pressure relief latch

A latch having a housing and a latch mechanism located within an interior portion of the housing. The latch mechanism includes an arm, a pair of socket screws, a pair of torsion springs, each of which is connected rotatably to the arm and engages a corresponding one of the pair of socket screws, a bolt mechanism attached rotatably to the housing, and a link attached pivotally to the arm and attached to the bolt mechanism. ... Alcoa Inc

05/04/17 / #20170121795

Wrought 7xxx aluminum alloys, and methods for making the same

New wrought 7xxx aluminum alloys are disclosed. The new wrought 7xxx aluminum alloys generally include from 3.75 to 8.0 wt. ... Alcoa Inc

03/30/17 / #20170089124

Pressure relief door

A pressure relief door having a panel with an exterior side and an interior side, a pair of pressure relief latches mounted to the interior side of the panel, and a pair of hinges mounted to the panel and each including a lock mechanism mounted thereto. Each of the lock mechanisms includes a mounting bracket. ... Alcoa Inc

03/30/17 / #20170089107

Tri-links latch

A latch having body with a hook, a handle attached pivotally to the body, and a series of links that facilitate opening and closing the handle. The links include a pair of front links, a pair of back links, and a middle link. ... Alcoa Inc

03/16/17 / #20170073260

Wastewater treatment systems and methods

The instant disclosure is directed towards methods of treating wastewater and related systems, where the system includes: a first zone comprising at least one anaerobic tank, and a second zone comprising at least one engineered wetland. In some embodiments, the system includes a third zone comprising at least one bauxite residue cell.. ... Alcoa Inc

03/16/17 / #20170072454

Rivet feeding apparatus

A fastener feed apparatus includes a mounting portion and a feed portion attached movably thereto. The feed portion includes a feed body having first and second ends and an internal track extending therethrough. ... Alcoa Inc

03/02/17 / #20170058937

Fastener locking members

A locking member for a fastener, such as a nut or a collar, includes a shank portion and a flanged portion, a bore extending the shank portion and the flanged portion and including a first interior portion located within the shank portion and a containment cavity located within the flanged portion, and an inner wall defining the containment cavity. The containment cavity includes an inner diameter that is greater than an inner diameter of the first interior portion of the bore. ... Alcoa Inc

03/02/17 / #20170058582

Adjustable pressure relief latch

A latch including a housing having side members each having an elongated slot, a bolt mounted rotatably to the housing and positioned between the side members of the housing, an adjustment mechanism, and a pin and roller positioned slidably within the elongated slots of the side members of the housing. The adjustment mechanism includes a compression spring, a central cap for receiving the pin and roller therethrough, and a nut for adjusting the load on the compression spring. ... Alcoa Inc

03/02/17 / #20170058568

Adjustable hook latch

A latch including a housing having a cylinder, a compression spring positioned within the cylinder, and a ball positioned at one end of the compression spring, a hook positioned slidably within the housing, and a star wheel positioned around the hook and having a plurality of holes formed therein. The ball under load from the spring aligns with and engages one of the holes of the star wheel to retain it in place. ... Alcoa Inc

02/23/17 / #20170051384

Apparatus, manufacture, composition and method for producing long length tubing and uses thereof

An apparatus, method and composition for long length tubing includes continuous production of long length seamless aluminum tubing suitable for use as coiled tubing in hydrocarbon wells. A 2xxx aluminum alloy may be used in combination with a continuous casting/extrusion apparatus using aluminum from a melt. ... Alcoa Inc

02/09/17 / #20170037674

Architectural manufactures, apparatus and methods using additive manufacturing techniques

An apparatus, method and manufacture utilizes additive manufacturing techniques to produce architectural manufactures such as windows and doors. The manufactures may have a composite construction and may feature inclusions like metal plates and reinforcements. ... Alcoa Inc

02/09/17 / #20170037667

Pressure relief latch

A latch including a housing having side members each having an elongated slot, a bolt mounted rotatably to the housing and positioned between the side members of the housing, a trigger mounted rotatably to the housing, and a pin and roller positioned slidably within the elongated slots of the side members of the housing. The bolt is moveable between a first, closed position and a second open position. ... Alcoa Inc

02/09/17 / #20170036919

Methods of making titanium diboride powders

The present disclosure is directed towards methods of making titanium diboride products in various sizes. An aspect of the method provides (a) selecting a target average particle size for a target titanium diboride product; (b) selecting at least one processing variable from the group consisting of: an amount of sulfur, an inert gas flow rate, a soak time, and a reaction temperature; (c) selecting a condition of the processing variable based upon the target average particle size; and (d) producing an actual titanium diboride product having an actual average particle size using the at least one processing variable, wherein due to the at least one processing variable, the actual average particle size corresponds to the target average particle size.. ... Alcoa Inc

01/26/17 / #20170022619

System, method and apparatus for measuring electrolysis cell operating conditions and communicating the same

System, method and apparatus for measuring electrolysis cell operating conditions and communicating the same are disclosed. The system includes a selectively positionable member coupled to an analytical apparatus, wherein the selectively positionable is configured to move the analytical apparatus into and out of physical communication with a bath. ... Alcoa Inc

01/19/17 / #20170016471

Fastener and fastener installation tool

A fastening system including a fastener and a fastener installation tool. The fastener includes a pin member having an elongated shank portion with a threaded portion, a stop shoulder located at an end of the threaded portion, and a pull portion extending from the stop shoulder. ... Alcoa Inc

01/19/17 / #20170016092

High performance alsimgcu casting alloy

New aluminum casting alloys having 8.5-9.5 wt. % silicon, 0.8-2.0 wt. ... Alcoa Inc

01/19/17 / #20170014937

Aluminum alloy products, and methods of making the same

The present disclosure relates to new metal powders for use in additive manufacturing, and aluminum alloy products made from such metal powders via additive manufacturing. The composition(s) and/or physical properties of the metal powders may be tailored. ... Alcoa Inc

01/12/17 / #20170009500

Handle mechanisms

A handle mechanism includes a gear drive having an interior end and an exterior end; an inside handle fixed to the interior end; a button; a finger; a handle drive; an outside handle; and a spring. The button has an interior end and an exterior end, which is positioned within the exterior end of the gear drive. ... Alcoa Inc








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