Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
QJ

Qingdong Jiang — 4 Patents

OEOtis Elevator: 4 patents #397 of 1,840Top 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Qingdong Jiang has been granted 4 US patents while listed as an inventor at Otis Elevator. The first was granted in 2008 and the most recent in December 2017. Qingdong Jiang ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Qingdong Jiang in 流花街道, CN.

Patents per Year

Patents granted per year, 2008 to 2017Bar chart with a peak of 1 patents in 2008.peak 12008: 1 patents20082012: 1 patents20122015: 1 patents20152017: 1 patents2017

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9850099 Skirt for passenger conveyer Bruce E. Hoopes, Gero Gschwendtner, Daniel Rush, Bernward Engelke, Yanying Chen 2017-12-26
8931615 Modular chain newel with standard bearing Ke Ye, Yanying Chen, Coliu Wu, Shouhong Wang 2015-01-13
8141693 Combined traffic flow and maintenance information display for a passenger conveyor Frank Sansevero, Carla Majuntke, Ralph S. Stripling, Scott Ashworth, Bernward Engelke +1 more 2012-03-27
7353931 Comb plate for passenger conveyor with moving flange Dave Jarvis, Frank Sansevero, Yanying Chen, Dietmar Thaler, Ruoming Tian +1 more 2008-04-08 $79,271,000