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Chervon hk Limited patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "C" | Chervon hk Limited-related inventors


Wearable blower and assembly

An assembly including a wearable blower having a fan, a motor, an air duct having a duct housing thereof, a handle attached to the duct housing, and a hanger disposed on the duct housing. The hanger has an attachment part attached to the duct housing and adjacent to the handle... Chervon hk Limited

Power tool

A power tool includes an output shaft for outputting torque, a motor for driving the output shaft to rotate about a first axis, a transmission mechanism for transmitting an output of the motor to the output shaft, a gear box for containing the transmission mechanism, a sleeve for a user... Chervon hk Limited

Working attachment and combination of working attachment and power tool

A working attachment for a power tool is provided. The working attachment is able to be driven by the power tool to oscillate around a central axis. The working attachment includes a working portion for realizing a function of the working attachment and a connecting portion for connecting the working... Chervon hk Limited

Vegetation cutting tool

A vegetation cutting tool includes a cutting head, an input shaft, an output shaft, a transmission assembly and a transmission housing accommodating the transmission assembly. The transmission housing includes a skirt portion having a small end located away from the cutting head and a big end located adjacent to the... Chervon hk Limited

Adapter, power supply device, and over-discharge protection method

A power supply device includes a battery pack for storing electric energy and an adapter for outputting the electric energy stored in the battery pack. The battery pack includes a battery controller for detecting the voltage of the battery pack. The adapter includes an adapter controller for receiving a signal... Chervon hk Limited

Power tool system

A power tool system has a power tool including an electrical device, a power device for powering the electrical device, a position or target detection system for detecting a position of the power tool and/or the power device, a source-based transceiver for at least transmitting data corresponding to the position... Chervon hk Limited

Handheld blower

A handheld blower includes a housing having an air inlet and a duct assembly mounted in front of the air inlet, the duct assembly including a duct connected with the housing, a motor and a fan mounted in the duct, a battery, and a blowpipe connected to the housing by... Chervon hk Limited

Handheld blower

A handheld blower includes a housing having an air inlet and a duct assembly mounted in front of the air inlet, the duct assembly including a duct connected with the housing, a motor and a fan mounted in the duct, a battery, and a blowpipe connected to the housing by... Chervon hk Limited

Power tool system

A power tool system with a separate data processing or displaying equipment is provided. The power tool system includes a power tool, a detection device, a store device, a transceiver, a controller adapted to be in data communication with at least one of the detection device, the store device and... Chervon hk Limited

Electric screwdriver

An electric screwdriver includes a motor having a motor shaft, a handle housing for accommodating the motor, an output shaft at least partly protruding from the handle housing, a transmission device for enabling the motor shaft to drive the output shaft to rotate around a first axis, an exploring antenna... Chervon hk Limited

Power tool

A power tool includes a motor with a drive shaft being capable of rotating around a first axis, a housing for containing the motor, an output shaft for outputting torque, a transmission mechanism for transferring power between the drive shaft and the output shaft, and an adjusting device for adjusting... Chervon hk Limited

Power tool

A power tool includes an output shaft for outputting torque, a transmission mechanism for driving the output shaft, a motor for driving the transmission mechanism, and a housing for containing the motor. The transmission mechanism includes a ring gear being capable of rotating relative to the housing, locking pins for... Chervon hk Limited

Snowthrower

A snowthrower includes a motor, an auger driven by the motor to rotate, a handle device for a user to operate, an auger housing for containing the auger and a frame for connecting the handle device and the auger housing. The auger housing is made of at least two different... Chervon hk Limited

System and protecting a battery pack

A method is provided for protecting a battery pack. The method includes discharging the battery pack, detecting the temperature T of the battery pack, detecting the discharge current I of the battery pack, detecting the discharge voltage U1 of the battery pack, obtaining an internal resistance R according to the... Chervon hk Limited

Charging system and method

A charging system includes a first battery pack having a first capacity, a second battery pack having a second capacity and a charger for charging the first battery pack and the second battery pack. When the first battery pack is charged by the charger at a predetermined charging current I,... Chervon hk Limited

Cordless tool system

A tool discharges one battery pack and a charger simultaneously charges another battery pack to provide for continuous and circular operation of the tool. Tool system includes a tool and a lithium based battery pack having a nominal voltage of at least 56 volts for supplying power to the tool.... Chervon hk Limited

Lighting device

A lighting device has a device body including an output terminal for outputting electric energy and a split-type light including at least a lighting element. The device body includes a coupling portion for detachably connecting the split-type light with the device body. The split-type light includes a built-in power supply... Chervon hk Limited

Cutting head of a grass trimmer

A cutting head for use with a cutting tool, such as a grass trimmer. The cutting head has a housing, a line spool and a supporting cap. One end of the housing is coupled to an end of a motor output shaft and another end has an opening. A line... Chervon hk Limited

Power tool and control method thereof

A power tool includes an electric motor, a functional accessory capable of being driven by the electric motor, a detection device for detecting a rotational speed of the electric motor, and a controller for controlling the electric motor with a control signal. The control is operable to estimate a load... Chervon hk Limited

Lawncare apparatus

A lawncare apparatus includes a main body, multiple wheels supporting the main body, a cutting blade disposed in the main body, a motor driving the cutting blade, an operating arm connected to the first end of the main body, and a transmission assembly. The transmission assembly is configured to prevent... Chervon hk Limited

Lawncare apparatus

A lawncare apparatus includes a main body, multiple wheels supporting the main body, a cutting blade disposed in the main body, a motor driving the cutting blade, an operating arm connected to the first end of the main body, and a transmission assembly. The transmission assembly is configured to prevent... Chervon hk Limited

Clutch device and power tool with clutch device

A clutch device includes a guiding element, a first clutch element being capable of sliding relative to the guiding element, a second clutch element being capable of sliding relative to the guiding element, an elastic element including a first connecting leg and a second connecting leg which are respectively connected... Chervon hk Limited

Charger and charging method

A method for charging a battery includes charging the battery with a constant charging power until a battery voltage reaches a predetermined voltage. After the battery voltage reaches the predetermined voltage, charging the battery with a first charging current at least once to a voltage threshold that exceeds the predetermined... Chervon hk Limited

Rotating assembly for grass trimmer

A rotating assembly for a grass trimmer includes a cutting element, a cutting head for mounting the cutting element and driving the cutting element to rotate about a rotating axis and a cover mounted on the cutting head. The cutting head includes a cutting head body and fan blades for... Chervon hk Limited

Hedge trimmer

A hedge trimmer includes a first housing with a first handle, a second housing with a second handle, a transmission mechanism combined to the first housing, a trimming blade for being driven by the transmission mechanism to carry out a shearing motion, an electric motor combined to the first housing... Chervon hk Limited

Power tool and control circuit thereof

A power tool and a control circuit thereof by which electric energy can be recovered into a battery pack while an electric motor is braked. The control circuit includes a battery, the electric motor, an operation switch, a first control switch, a second control switch, a controller and an inductive... Chervon hk Limited

Handheld electric tool

A handheld electric tool includes a working device for performing a function of the handheld electric tool, a powering device for provide a driving force to the working device, and a connecting device for connecting the working device and powering device. The powering device includes: an electric motor, a power... Chervon hk Limited

Combination of work table and fence assembly and table cutting machine with combination

A combination includes a work table defining a working surface for placing a workpiece and a fence assembly including a fence. The fence is rotatably mounted on the work table. The fence includes a first contacting surface which is arranged to provide an abutting surface when the fence is rotated... Chervon hk Limited

Chain saw

A chainsaw includes a housing, a prime mover, a transmitting member and a bias assembly. The prime mover is mounted to the housing. The saw chain is driven by the prime mover. The guide bar guides the saw chain and the guide bar is slidably connected to the housing. The... Chervon hk Limited

Torque output tool and torque output assembly

A torque output tool includes a torque output assembly for outputting torque, a transmission mechanism for driving the torque output assembly to rotate about a central axis, a prime mover for driving the transmission mechanism, and a housing for containing the prime mover. The torque output assembly includes a torque... Chervon hk Limited

Battery pack and electrical combination

An electrical combination with a battery pack and a power tool. The battery pack includes two battery pack connectors which are connected with the same electrode of a battery of the battery pack. A circuit of one battery pack connector has a resistance greater than that in another circuit of... Chervon hk Limited

Power tool

A power tool for driving a screwdriver bit and a drill bit. The power tool may include a tool device and a clamping device. The tool device may include a motor, a tool housing for receiving the motor, an outputting shaft forming an insertion hole for being inserted by the... Chervon hk Limited

Electrical combination

An electrical combination includes a power tool and battery pack. The battery pack includes a detection terminal and a normal terminal, two detection circuits, and a control module for respectively connecting with the two terminals. The control module can detect and compare voltage signals in the detection circuits. One detection... Chervon hk Limited

Cutting machine, especially a circular saw

A cutting machine includes a cutting element for cutting material, a motor for driving the cutting element to rotate and a housing for containing the motor. The motor includes a rotor sleeve being formed with a receiving chamber, a motor shaft being capable of rotating together with the rotor sleeve,... Chervon hk Limited








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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. Freshpatents.com is not affiliated or associated with Chervon hk Limited 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 Chervon hk Limited with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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