Shanghai Chenzhu Instrument Co., Ltd

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Patents Grantslast 30 patents

Information Patent Grant
Digital-to-analog conversion device and method
- Patent number 11,700,007
- Issue date Jul 11, 2023
- SHANGHAI CHENZHU INSTRUMENT CO., LTD.
- Xi Fang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Intelligent safety relay and circuit applied thereby
- Patent number 10,855,072
- Issue date Dec 1, 2020
- SHANGHAI CHENZHU INSTRUMENT CO., LTD.
- Xiaoquan Chen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surge protector and base therof
- Patent number 10,593,501
- Issue date Mar 17, 2020
- SHANGHAI CHENZHU INSTRUMENT CO., LTD.
- Chunpo Zhai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surge protector, and release mechanism and base thereof
- Patent number 10,388,479
- Issue date Aug 20, 2019
- SHANGHAI CHENZHU INSTRUMENT CO., LTD.
- Chunpo Zhai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
HART CIRCUIT AND METHOD FOR DETERMINING THE STATE OF A FIELD INTERF...
- Publication number 20250004453
- Publication date Jan 2, 2025
- SHANGHAI CHENZHU INSTRUMENT CO., LTD.
- Min XU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SURGE PROTECTION MODULE AND SURGE PROTECTION DEVICE
- Publication number 20240222962
- Publication date Jul 4, 2024
- Shanghai Chenzhu Instrument Co.,Ltd.
- Keqi Chen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BIDIRECTIONAL TRANSMISSION CIRCUIT FOR UNIVERSAL SIGNAL
- Publication number 20240113634
- Publication date Apr 4, 2024
- SHANGHAI CHENZHU INSTRUMENT CO., LTD.
- Min XU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DIGITAL-TO-ANALOG CONVERSION DEVICE AND METHOD
- Publication number 20230118057
- Publication date Apr 20, 2023
- SHANGHAI CHENZHU INSTRUMENT CO., LTD.
- Xi FANG
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
INTELLIGENT SAFETY RELAY AND CIRCUIT APPLIED THEREBY
- Publication number 20200321774
- Publication date Oct 8, 2020
- SHANGHAI CHENZHU INSTRUMENT CO., LTD.
- Xiaoquan CHEN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SURGE PROTECTOR AND BASE THEREOF
- Publication number 20190221394
- Publication date Jul 18, 2019
- SHANGHAI CHENZHU INSTRUMENT CO., LTD.
- Chunpo ZHAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SURGE PROTECTOR, AND RELEASE MECHANISM AND BASE THEREOF
- Publication number 20180374666
- Publication date Dec 27, 2018
- SHANGHAI CHENZHU INSTRUMENT CO., LTD.
- Chunpo ZHAI
- H01 - BASIC ELECTRIC ELEMENTS

Trademarklast 30 trademarks

Information Trademark
98584574 - CHENZHU
- Serial number 98584574
- Filing date Jun 4, 2024
- Shanghai Chenzhu Instrument Co., Ltd
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
79199088 - CHENZHU
- Serial number 79199088
- Registration number 5526691
- Filing date Nov 8, 2016
- Shanghai Chenzhu Instrument Co., Ltd
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

Shanghai Chenzhu Instrument Co., Ltd

Organization

Patents Grantslast 30 patents

Digital-to-analog conversion device and method

Intelligent safety relay and circuit applied thereby

Surge protector and base therof

Surge protector, and release mechanism and base thereof

Patents Applicationslast 30 patents

HART CIRCUIT AND METHOD FOR DETERMINING THE STATE OF A FIELD INTERF...

SURGE PROTECTION MODULE AND SURGE PROTECTION DEVICE

BIDIRECTIONAL TRANSMISSION CIRCUIT FOR UNIVERSAL SIGNAL

DIGITAL-TO-ANALOG CONVERSION DEVICE AND METHOD

INTELLIGENT SAFETY RELAY AND CIRCUIT APPLIED THEREBY

SURGE PROTECTOR AND BASE THEREOF

SURGE PROTECTOR, AND RELEASE MECHANISM AND BASE THEREOF

Trademarklast 30 trademarks

98584574 - CHENZHU

79199088 - CHENZHU