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

David E. Wallis

FIFlexsteel Industries: 5 patents #2 of 24Top 9%
HPHughey & Phillips: 1 patents #10 of 11Top 95%
PUPuritan-Bennett: 1 patents #65 of 110Top 60%
TLTechnological Resources Pty Limited: 1 patents #84 of 192Top 45%
NASA: 1 patents #1,418 of 3,881Top 40%
Dubuque, IA: #73 of 571 inventorsTop 15%
Iowa: #1,509 of 15,303 inventorsTop 10%
Overall (All Time): #502,557 of 4,157,543Top 15%
10 Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
11052852 Impact detection system Ilidio Gouveia Da Costa, Anthony Michael Godber, Matthew Shurmer, Paul Nicholson, Gareth Topham +2 more 2021-07-06
10172469 Extendible sofa 2019-01-08
9888781 Extendible sofa 2018-02-13
9107507 Adjustable telescoping arm 2015-08-18
8077474 Variable equalizer apparatus Edward G. Perez 2011-12-13
5816658 Head rest lock 1998-10-06
5556189 Omni-directional airport taxiway light and fixture 1996-09-17
5511853 Recreational vehicle center console seat with folding armrest and beverage container holder 1996-04-30
5265597 Passenger oxygen mask having a plurality of fingers and recesses for mounting the mask to an oxygen bag 1993-11-30
4396918 Low-frequency radio navigation system 1983-08-02