Shanghai Huaming Power Equipment Co., Ltd.

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
External on-load tap changer
- Patent number 9,728,327
- Issue date Aug 8, 2017
- Shanghai Huaming Power Equipment Co., Ltd.
- Xu Shen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Change-over structure between moving contact and static contact of...
- Patent number 9,165,724
- Issue date Oct 20, 2015
- Shanghai Huaming Power Equipment Co., Ltd.
- Xu Shen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum arc extinguishing change-over selector
- Patent number 9,082,573
- Issue date Jul 14, 2015
- SHANGHAI HUAMING POWER EQUIPMENT CO. LTD
- Qiang Zhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
External hanging combined vacuum on-load tap switch
- Patent number 8,330,063
- Issue date Dec 11, 2012
- Shanghai Huaming Power Equipment Co., Ltd.
- Riming Xiao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Moving contact head for tap switches
- Patent number 8,153,917
- Issue date Apr 10, 2012
- Shanghai Huaming Power Equipment Co., Ltd.
- Riming Xiao
- H01 - BASIC ELECTRIC ELEMENTS

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Patents Applicationslast 30 patents

Information Patent Application
PASSIVE TRIGGERED-POWER ELECTRONIC TAP-CHANGER DEVICE AND CONTACT D...
- Publication number 20230230780
- Publication date Jul 20, 2023
- ELECTRIC POWER RESEARCH INSTITUTE. CHINA SOUTHERN POWER GRID
- Yao YUAN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EXTERNAL ON-LOAD TAP CHANGER
- Publication number 20140291130
- Publication date Oct 2, 2014
- Shanghai Huaming Power Equipment Group Co., Ltd
- Xu SHEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CHANGE-OVER STRUCTURE BETWEEN MOVING CONTACT AND STATIC CONTACT OF...
- Publication number 20130306449
- Publication date Nov 21, 2013
- Shanghai Huaming Power Equipment Co., Ltd.
- Xu SHEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EXTERNAL HANGING COMBINED VACUUM ON-LOAD TAP SWITCH
- Publication number 20090211890
- Publication date Aug 27, 2009
- Shanghai Huaming Power Equipment Co., Ltd.
- Riming Xiao
- H01 - BASIC ELECTRIC ELEMENTS

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Trademarklast 30 trademarks

Information Trademark
79329363 - HUAMING OLTC
- Serial number 79329363
- Registration number 7312171
- Filing date Oct 29, 2021
- SHANGHAI HUAMING POWER EQUIPMENT CO., LTD
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
79329364 - SMS HM
- Serial number 79329364
- Registration number 7312172
- Filing date Oct 29, 2021
- SHANGHAI HUAMING POWER EQUIPMENT CO., LTD
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
78693560 - HM
- Serial number 78693560
- Registration number 3349652
- Filing date Aug 16, 2005
- Shanghai Huaming Power Equipment Co., Ltd
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
78693687 - HUAMING
- Serial number 78693687
- Registration number 3341296
- Filing date Aug 16, 2005
- Shanghai Huaming Power Equipment Co., Ltd
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments