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

David Crenshaw

AHAbl Ip Holding: 2 patents #268 of 567Top 50%
IEIota Engineering: 2 patents #2 of 6Top 35%
TBThe Bodine: 2 patents #3 of 7Top 45%
PBPhilips Lighting Holding B.V.: 1 patents #438 of 962Top 50%
Gilbert, AZ: #142 of 1,739 inventorsTop 9%
Arizona: #2,331 of 32,909 inventorsTop 8%
Overall (All Time): #303,996 of 4,157,543Top 8%
15 Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12194586 Sanding systems, methods, and devices 2025-01-14
12179417 Manufacturing systems and methods for three-dimensional printing 2024-12-31
12179416 Manufacturing systems and methods for three-dimensional printing 2024-12-31
11714472 Power over ethernet emergency lighting system and method of detecting power loss of a link segment thereof 2023-08-01
10903682 Power over ethernet emergency lighting system and method of detecting power loss of a link segment thereof 2021-01-26
10779380 Power over ethernet exit signage Rafael Ordonez Gonzalez 2020-09-15
10361583 Power over ethernet emergency lighting system and method of detecting power loss of a link segment thereof 2019-07-23
9999108 Emergency lighting driver with programmable output power Stefan-Cristian Rezeanu, ABHISHEK CHANDRASHEKHAR SABNIS, Shawn Croley, Brian Inman, TAWATOS PHADUNGSOONDARARAK +1 more 2018-06-12
9941737 Power over ethernet emergency lighting system 2018-04-10
9609706 Power over Ethernet emergency lighting system and method of detecting power loss of a link segment thereof 2017-03-28
7091676 Arc maintenance device for high density discharge lamps including an adaptive wave form monitor Reginald J. Rodriguez 2006-08-15
6828733 Remote lamp control apparatus 2004-12-07
6756736 Remote control test apparatus 2004-06-29
6710546 Remote control test apparatus 2004-03-23
6392349 Remote control test apparatus 2002-05-21