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

Richard D. Patch — 2 Patents

San Antonio, TX: #2,061 of 5,017 inventorsTop 45%
Texas: #52,941 of 125,132 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Richard D. Patch has been granted 2 US patents. The first was granted in 1987 and the most recent in June 1993. Richard D. Patch ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Richard D. Patch in San Antonio, TX, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5222363 Fluidized bed air cooling system Russel G. Allen, Jr., A. Thomas Bradshaw, Clifford H. Collen 1993-06-29
D290038 Airflow core for refrigeration units Lee Smith 1987-05-26