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Hatch Ltd patents

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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "H" | Hatch Ltd-related inventors

Method and measuring the length of an electrode in an electric arc furnace

A method for determining a length parameter of an electrode during operation of an electric arc furnace. An internal duct extends through the length of the electrode and is open at its lower end. A waveguide having a solid core is received in the internal duct and comprises a material... Hatch Ltd

System and optimizing a rail system

A method and system for optimizing a train rail system. The method comprises creating a model of the rail system in a memory, creating an objective function in the memory, and determining, using a computer, a configuration of the rail system which optimizes the objective function for the process systems... Hatch Ltd

Methods and metal recovery from slag

A method for recovering metal values from a molten slag composition includes atomizing the slag with an oxygen-containing gas in a gas atomization apparatus, to produce solid slag granules. Oxygen in the atomizing gas converts metals to magnetic metal compounds, thereby magnetizing the metal-containing slag granules. These metal-containing slag granules... Hatch Ltd

Low-profile aluminum cell potshell and increasing the production capacity of an aluminum cell potline

An aluminum reduction cell having a shell structure with a pair of longitudinally extending sidewalls, a pair of transversely extending endwalls, a bottom wall, and an open top having an upper edge. The aluminum reduction cell also has a transverse support structure with transverse bottom beams located under the shell... Hatch Ltd

Low-effluent syngas handling system

A system for processing a syngas stream including particulate matter, a combustible gas, and acid components is disclosed. The system includes a gasifier vessel configured to produce a raw syngas stream; a gas cooling apparatus configured to cool the raw syngas stream to produce a cooled syngas stream; an HCl... Hatch Ltd

High-pressure self-cleaning elbow

An exhaust elbow includes an inlet, an outlet, a curved gas guiding duct between the inlet and the outlet, and a plurality of thermally insulated stiffeners connected to an external surface of the curved gas guiding duct, each of the stiffeners including a metallic component and thermal insulation adjacent to... Hatch Ltd

Apparatus connecting a water sample bottle to an unmanned aerial vehicle (uav) in order to collect water samples from below the surface of a water body

An apparatus to connect a multi-parameter probe or water sampling vessel to an Unmanned Aerial Vehicle (UAV), or aerial drone, facilitates the safe collection of samples from various depths in any water body or storage tank. Aspects of the present invention reduce risks to humans, who would, under normal circumstances,... Hatch Ltd

Gas atomization of molten materials using by-product off-gases

Metallurgical processes and systems for gas atomization of molten slag and/or molten metals from a metallurgical furnace are integrated with off-gas handling processes and equipment, such that the off-gases are fed to the gas atomization plant for atomizing the molten slag and/or molten metal. The use of by-product off-gases for... Hatch Ltd

Process and dry granulation of slag with reduced formation of slag wool

A process for producing substantially dry slag granules comprises adding a controlled amount of water to a molten stream of slag, and granulating the slag to produce solidified slag comprising substantially dry slag granules and slag wool. An apparatus for producing substantially dry slag granules comprises: (a) an inclined surface... Hatch Ltd

Plug flow reactor with internal recirculation fluidized bed

A reactor comprises an outer sidewall and a bottom wall enclosing a hollow chamber comprising a lower fluidized bed zone and an upper freeboard zone. A plurality of inlets is provided for injecting at least one fluidizing medium into the fluidized bed zone and creating a swirling flow. At least... Hatch Ltd

Granulated slag products and processes for their production

A process for preparing solid slag granules from a molten slag composition comprises: (a) providing the molten slag composition; (b) converting the molten slag composition into the solid slag granules in a dispersion apparatus; and (c) sorting the solid slag granules by shape in a separator to produce a plurality... Hatch Ltd

Sleeve seal for electric furnace electrodes

A highly flexible sealing arrangement designed to seal high-temperature furnace ports, particularly the electrode port of an electric furnace. The seal comprises an annular support member fixed to a flexible sealing member and employs the use of a garter spring to uniformly apply the desired amount of seal compression. The... Hatch Ltd

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Hatch Ltd in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Hatch Ltd with additional patents listed. Browse our Agent directory for other possible listings. Page by