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

Joseph A. Douthett

NVNVIDIA: 6 patents #1,173 of 7,811Top 20%
APAk Steel Properties: 2 patents #5 of 25Top 20%
Woodsfield, OH: #5 of 57 inventorsTop 9%
Ohio: #10,201 of 73,341 inventorsTop 15%
Overall (All Time): #644,174 of 4,157,543Top 20%
8 Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
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
4828630 Duplex stainless steel with high manganese James A. Daniels, John G. Tack 1989-05-09
4790977 Silicon modified low chromium ferritic alloy for high temperature use James A. Daniels 1988-12-13
4341555 High strength austenitic stainless steel exhibiting freedom from embrittlement Harry Tanczyn 1982-07-27
4295769 Copper and nitrogen containing austenitic stainless steel and fastener Ronald H. Espy 1981-10-20
4261739 Ferritic steel alloy with improved high temperature properties Ronald H. Espy, D. Cameron Perry 1981-04-14