YaFei Ren — 2 Patents at Otis Elevator

YaFei Ren has been granted 2 US patents while listed as an inventor at Otis Elevator. The first was granted in 2017 and the most recent in May 2019. YaFei Ren ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list YaFei Ren in Tianjin, CN.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
10288135	Brake for elevator and a replacement method of damper of the brake for elevator	Yatao Li, Guochen Gao	2019-05-14
9684977	Method and apparatus for road map rendering	—	2017-06-20

YaFei Ren — 2 Patents

Issued Patents All Time

Patent Widget