Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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David C. Berg — 4 Patents

GE: 4 patents #8,224 of 36,430Top 25%
San Jose, CA: #12,320 of 32,062 inventorsTop 40%
California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,291,295 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5568527 Method and apparatus for remote ultrasonic inspection of core spray T-box welds David L. Richardson, James C. S. Tung 1996-10-22
5460045 Ultrasonic probes for inspection of reactor pressure vessel bottom head and weld buildup thereon Jack P. Clark, Balasubramanian S. Kowdley, James C. S. Tung 1995-10-24
5272734 Repair of incore housings using ultrasonic examinations Jack P. Clark, Balasubramanian S. Kowdley, James C. S. Tung 1993-12-21
5145637 Incore housing examination system David L. Richardson, Balasubramanian S. Kowdley, Jack T. Matsumoto, Thurman D. Smith, Jack P. Clark 1992-09-08