Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
LC

Loi Cheng

OEOtis Elevator: 5 patents #308 of 1,840Top 20%
RTX (Raytheon): 2 patents #5,307 of 15,912Top 35%
South Windsor, CT: #102 of 420 inventorsTop 25%
Connecticut: #6,411 of 34,797 inventorsTop 20%
Overall (All Time): #707,640 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11332344 Elevator car frame assembly Richard J. Ericson, Meghan Mastriano, Bruce P. Swaybill 2022-05-17
11214464 Elevator seismic performance apparatus Richard J. Ericson, Bruce P. Swaybill, Meghan Mastriano 2022-01-04
10899580 Elevator cab suspension assembly for a double deck elevator Walter Thomas Schmidt, Enrico Manes, Shihemn Chen, Zaffir A. Chaudhry, Xiaodong Luo +4 more 2021-01-26
10502089 Gas turbine engine variable stator vane Tracy A. Propheter-Hinckley 2019-12-10
10329122 H frame for a double deck elevator Walter Thomas Schmidt, Enrico Manes, Bruce P. Swaybill, Zaffir A. Chaudhry, Luke A. Mishler +4 more 2019-06-25
10036282 Vane support systems Raymond Surace 2018-07-31
9764925 Elevator system including a car stop for maintaining overhead clearance 2017-09-19