Chong Chen — 2 Patents at Otis Elevator

Chong Chen has been granted 2 US patents while listed as an inventor at Otis Elevator. All of these patents were granted in 2019. Chong Chen ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Chong Chen in Hangzhou City, CN.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
10427914	Elevator synchronous door knife	Xiaobo ZHANG, QingXi Cai, XiaoXiao Dong	2019-10-01
10189680	Landing-door door lock device	Yongtao Yang, Huanfeng Liu, Hua Zhang, QingXi Cai, Junfeng Wu	2019-01-29

Chong Chen — 2 Patents

Issued Patents All Time

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