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

Thomas C. Cowsar

RPRpc: 1 patents #10 of 16Top 65%
Houston, TX: #6,659 of 21,073 inventorsTop 35%
Texas: #40,946 of 125,132 inventorsTop 35%
Overall (All Time): #1,627,267 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10488387 Methods and apparatus for extraction of NAD and proteins from crude oil and gas, drill cuttings, cores and other hydrocarbons and organics for unique spectral identification Margaret C. Waid, Charles Carter Waid, Scott D. Campbell, Harlon W Cowsar 2019-11-26
6102790 Automated method and apparatus for the extraction of edible products from crawfish and similar crustaceans Margaret C. Waid 2000-08-15
6042464 Method and apparatus for the extraction of edible products from crawfish and similar crustaceans Margaret C. Waid 2000-03-28