Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David B. Fenner — 8 Patents

EPEpion: 4 patents #4 of 28Top 15%
ARAdvanced Fuel Research: 2 patents #9 of 18Top 50%
Stanford University: 2 patents #1,354 of 519Top 265%
Xerox: 1 patents #5,237 of 8,622Top 65%
Menlo Park, CA: #982 of 3,774 inventorsTop 30%
California: #74,834 of 386,348 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
David B. Fenner has been granted 8 US patents while listed as an inventor at Epion. The first was granted in 1992 and the most recent in October 2004. David B. Fenner ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list David B. Fenner in Menlo Park, CA, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6805807 Adaptive GCIB for smoothing surfaces 2004-10-19
6537606 System and method for improving thin films by gas cluster ion beam processing Lisa P. Allen 2003-03-25
6498107 Interface control for film deposition by gas-cluster ion-beam processing 2002-12-24
6375790 Adaptive GCIB for smoothing surfaces 2002-04-23
RE35872 Superconducting detector assembly and apparatus utilizing same Robert M. Carangelo 1998-08-18
5358925 Silicon substrate having YSZ epitaxial barrier layer and an epitaxial superconducting layer George A. Neville Connell, James B. Boyce, David K. Fork 1994-10-25
5354989 Superconducting detector assembly and apparatus utilizing same Robert M. Carangelo 1994-10-11
5173474 Silicon substrate having an epitaxial superconducting layer thereon and method of making same George A. N. Connell, James B. Boyce, David K. Fork 1992-12-22 $4,514,000