Assignee

SHAANXI STAR EXPLOSION SAFETY POLYTRON TECH INC

CN·2 granted patents·0 citations·filing 2018–2018

Technology mixA62B2 C01B1 C06B1 C06C1

Top patents by PatentIndex Score

2 records

0143US11648425B2Chemical oxygen self-rescue deviceSHAANXI STAR EXPLOSION SAFETY POLYTRON TECH INC·Filed 2018·Granted May 16, 2023·0 cites·9 claims
0242US11559707B2Oxygen candleSHAANXI STAR EXPLOSION SAFETY POLYTRON TECH INC·Filed 2018·Granted Jan 24, 2023·0 cites·10 claims

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