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

Joseph A. Douthett — 8 Patents

NVIDIA: 6 patents #1,201 of 7,811Top 20%
APAk Steel Properties: 2 patents #5 of 25Top 20%
Woodsfield, OH: #5 of 57 inventorsTop 9%
Ohio: #10,270 of 73,341 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Joseph A. Douthett has been granted 8 US patents while listed as an inventor at NVIDIA. The first was granted in 1981 and the most recent in November 2017. Joseph A. Douthett ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Joseph A. Douthett in Woodsfield, OH, US.

Patents per Year

Patents granted per year, 1981 to 2017Bar chart with a peak of 2 patents in 1981.peak 21981: 2 patents19811982: 1 patents19821988: 1 patents19881989: 1 patents19891998: 1 patents19982013: 1 patents20132017: 1 patents2017

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9816163 Cost-effective ferritic stainless steel Shannon K. Craycraft 2017-11-14
8505457 Contoured thickness blank for ammunition cartridges Daniel Scherrer 2013-08-13
5783622 Precoated chromium alloyed steel with enhanced paint adhesion for exhaust applications Ashok Sabata, Sherman E. Winkle, Sr. 1998-07-21 $6,260,000
4828630 Duplex stainless steel with high manganese James A. Daniels, John G. Tack 1989-05-09 $6,367,000
4790977 Silicon modified low chromium ferritic alloy for high temperature use James A. Daniels 1988-12-13 $3,323,000
4341555 High strength austenitic stainless steel exhibiting freedom from embrittlement Harry Tanczyn 1982-07-27 $7,153,000
4295769 Copper and nitrogen containing austenitic stainless steel and fastener Ronald H. Espy 1981-10-20 $7,626,000
4261739 Ferritic steel alloy with improved high temperature properties Ronald H. Espy, D. Cameron Perry 1981-04-14 $12,843,000