Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DH

Douglas E. Hart — 2 Patents in 2021

OOOoma: 2 patents #6 of 26Top 25%
San Jose, CA: #1,570 of 6,693 inventorsTop 25%
California: #13,721 of 66,859 inventorsTop 25%
Overall (2021): #166,004 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11171875 Systems and methods of communications network failure detection and remediation utilizing link probes Karl Osterlund, Tobin E. Farrand, William M. Gillon, David A. Bryan, Arvind Vasudev 2021-11-09
10911368 Gateway address spoofing for alternate network utilization William M. Gillon, Tobin E. Farrand, David A. Bryan, Arvind Vasudev, William T. Krein 2021-02-02