P

Inventor

JIN HAIYONG

CN13 patents

Patents

13 patents
US12292358B2May 6, 2025

Gas density relay with sealing performance self-checking function, and implementation method therefor

SHANGHAI ROYE ELECTRIC CO LTD0 citations58
US12392700B2Aug 19, 2025

Gas density relay with online self-checking function, and checking method therefor

SHANGHAI ROYE ELECTRIC CO LTD0 citations49
US12255032B2Mar 18, 2025

Maintenance-free gas density relay and cross-checking method therefor

SHANGHAI ROYE ELECTRIC CO LTD0 citations48
US12181525B2Dec 31, 2024

Field detection device, system and method for achieving no maintenance of gas density relay

SHANGHAI ROYE ELECTRIC CO LTD0 citations48
US12105148B2Oct 1, 2024

Gas density relay having simulation check function and simulation check method thereof

SHANGHAI ROYE ELECTRIC CO LTD0 citations48
US12046433B2Jul 23, 2024

Electrical system with on-line sampling verification function and verification method thereof

SHANGHAI ROYE ELECTRIC CO LTD0 citations48
US12154738B2Nov 26, 2024

Method for modifying gas density relay, and gas density relay having online self-checking function and checking method therefor

SHANGHAI ROYE ELECTRIC CO LTD0 citations47
US12136530B2Nov 5, 2024

Transformation method for gas density relay, and gas density relay having online self-check function and check method thereof

SHANGHAI ROYE ELECTRIC CO LTD0 citations47
US12038480B2Jul 16, 2024

Electrical system with on-line sampling verification function and verification method thereof

SHANGHAI ROYE ELECTRIC CO LTD0 citations47
US12276699B2Apr 15, 2025

Gas density relay with online self-checking function and checking method therefor

SHANGHAI ROYE ELECTRIC CO LTD0 citations46
US12259300B2Mar 25, 2025

Self-diagnostic gas density relay and use method thereof

SHANGHAI ROYE ELECTRIC CO LTD0 citations44
US11988714B2May 21, 2024

Gas density relay verification device and verification method therefor

SHANGHAI ROYE ELECTRIC CO LTD0 citations44
US11885827B2Jan 30, 2024

High anti-vibration gas density monitor

SHANGHAI ROYE ELECTRIC CO LTD0 citations44