Inventor

LI ZENGQUAN

CN8 patents

Patents

8 patents

USD1051040SNov 12, 2024

Power supply unit

SHENZHEN GREPOW BATTERY CO LTD7 citations85

USD974412SJan 3, 2023

Combination air compressor and igniter for automobiles

SHENZHEN GREPOW BATTERY CO LTD15 citations83

USD1042323SSep 17, 2024

Emergency starting power supply

SHENZHEN GREPOW BATTERY CO LTD4 citations74

USD1085002SJul 22, 2025

Portable power supply

SHENZHEN GREPOW BATTERY CO LTD2 citations73

USD1044179SSep 24, 2024

Vacuum cleaner

SHENZHEN GREPOW BATTERY CO LTD2 citations71

USD1051048SNov 12, 2024

Portable power supply

SHENZHEN GREPOW BATTERY CO LTD1 citations61

USD1117048SMar 10, 2026

Starting power supply

SHENZHEN GREPOW BATTERY CO LTD0 citations57

US12483025B2Nov 25, 2025

Arc extinguishing control system and method for relay of emergency power supply

SHENZHEN GREPOW BATTERY CO LTD0 citations49