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Patents Grants
last 30 patents
Information
Patent Grant
Connection terminal and power supply device
Patent number
11,824,297
Issue date
Nov 21, 2023
Nanjing Chervon Industry Co., Ltd.
Qingsong Yang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Angle grinder, air blower, and power tool
Patent number
11,161,232
Issue date
Nov 2, 2021
Nanjing Chervon Industry Co., Ltd.
Qingsong Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Hand-held electric power tool
Patent number
10,836,027
Issue date
Nov 17, 2020
Nanjing Chevron Industry Co., Ltd.
Qingsong Yang
B24 - GRINDING POLISHING
Patents Applications
last 30 patents
Information
Patent Application
POWER TOOL AND ELECTRONIC CONTROL DEVICE
Publication number
20220271624
Publication date
Aug 25, 2022
Nanjing Chervon Industry Co., Ltd.
Huaishu Wang
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
CONNECTION TERMINAL AND POWER SUPPLY DEVICE
Publication number
20220224036
Publication date
Jul 14, 2022
Nanjing Chervon Industry Co., Ltd.
Qingsong Yang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ANGLE GRINDER, AIR BLOWER, AND POWER TOOL
Publication number
20200001447
Publication date
Jan 2, 2020
Nanjing Chervon Industry Co., Ltd.
Qingsong Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
HAND-HELD ELECTRIC POWER TOOL
Publication number
20190099874
Publication date
Apr 4, 2019
Nanjing Chervon Industry Co., Ltd.
Qingsong Yang
B24 - GRINDING POLISHING