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

James Schaefer — 7 Patents

SSSwenson Spreader: 4 patents #2 of 10Top 20%
UFUS Air Force: 2 patents #3,473 of 16,312Top 25%
RTX (Raytheon): 1 patents #8,248 of 15,912Top 55%
Cherry Valley, IL: #8 of 50 inventorsTop 20%
Illinois: #13,022 of 84,256 inventorsTop 20%
Overall (All Time): #735,691 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9475072 Method and apparatus for directing spreader spray Christopher Norkus 2016-10-25
9371621 Spreader assembly Christopher Norkus 2016-06-21
9085863 Method and apparatus for directing spreader spray Christopher Norkus 2015-07-21
9085862 Spreader assembly Christopher Norkus 2015-07-21
4403813 Roller bearing cage design 1983-09-13
4384749 Reliability roller bearing 1983-05-24
4341296 Flow divider for liquid coolant or lubricant Leland J. Radtke 1982-07-27