Inventor

LI HEYUAN

CN4 patents

⚠️ This page may combine multiple inventors who share the name “LI HEYUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

2 patents

US11662036B2May 30, 2023

Bidirectional pressure relief valve, battery and electric device

CONTEMPORARY AMPEREX TECHNOLOGY CO LTD3 citations71

US12018764B2Jun 25, 2024

Valve, battery and power consumption device

CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations50

CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD

1 patent

US12297918B2May 13, 2025

Bidirectional pressure relief valve, battery and electric device

CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD0 citations60

JIANGSU CONTEMPORARY AMPEREX TECH LTD

1 patent

US11949122B2Apr 2, 2024

Bidirectional vent valve, battery, and electrical device

JIANGSU CONTEMPORARY AMPEREX TECH LTD0 citations49