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

Daniel R. Chapman — 9 Patents

Chevron: 5 patents #897 of 4,788Top 20%
TSTriad National Security: 3 patents #69 of 533Top 15%
ELEaton Intelligent Power Limited: 1 patents #1,176 of 2,212Top 55%
LSLos Alamos National Security: 1 patents #341 of 757Top 50%
Oakland, CA: #707 of 4,380 inventorsTop 20%
California: #66,801 of 386,348 inventorsTop 20%
Overall (All Time): #549,440 of 4,157,543Top 15%
9 Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12158449 Combined analytic technique for differentiating changes to structures using acoustic signals Alp T. Findikoglu 2024-12-03
11692541 Electric motor pump system and method Charles Shand, Mark D. Stacey, Simon Orde, Steven C. Birch, Stephen Marshall Devan +2 more 2023-07-04
10996203 Detection, monitoring, and determination of location of changes in metallic structures using multimode acoustic signals Alp T. Findikoglu, Taeho Ju 2021-05-04
10585069 Detection, monitoring, and determination of location of changes in metallic structures using multimode acoustic signals Alp T. Findikoglu, Dipen N. Sinha 2020-03-10
10473625 Detection and monitoring of changes in metallic structures using multimode acoustic signals Alp T. Findikoglu, Dipen N. Sinha 2019-11-12
9664212 Evaluating a vessel for suitability for containing fluid James E. Barefield, II, Elizabeth J. Judge, Loan A. Le, Leon N. Lopez, Andrew C. Beveridge +1 more 2017-05-30
6421931 Method and apparatus for drying iron ore pellets 2002-07-23
6226891 Method and apparatus for drying iron ore pellets 2001-05-08
6148543 Method and apparatus for drying iron ore pellets 2000-11-21