3GRACE

Patents & Innovation

Explore the technology behind our electrical protection products.

Current documents, visible scope.

Titles, numbers, dates and inventors below are transcribed from the supplied patent certificates and register extract.

Patent document preview for ZL 2022 1 1677584.7
CN 115719945 B

Automatic operating-fault monitoring circuit protection device

一种自动监测运行故障的电路保护装置

ZL 2022 1 1677584.7Granted 2026-08-21
Inventors: Gao Tuo, Gao Xikang
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Patent document preview for ZL 2025 2 0176157.3
CN 223797590 U

Electrical receptacle device with locking protective door

一种带锁扣保护门的电气插座装置

ZL 2025 2 0176157.3Granted 2026-01-13
Inventors: Gao Tuo, Huang Hanyi
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Patent document preview for ZL 2009 1 0100664.4
Patent register extract

Circuit breaker patent register

一种电路断路器

ZL 2009 1 0100664.4Filed 2009-07-16 · granted 2011-06-15 · valid status recorded
Inventor: Gao Shaohua
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