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

Robert O. Huff

JTJacobs Chuck Technology: 12 patents #1 of 11Top 10%
PIPower Tool Holders Incorporated: 9 patents #7 of 49Top 15%
RTReliance Electric Technologies: 6 patents #3 of 119Top 3%
JMJacobs Chuck Manufacturing: 2 patents #12 of 23Top 55%
IBM: 1 patents #44,794 of 70,183Top 65%
Columbus, IN: #36 of 1,378 inventorsTop 3%
Indiana: #733 of 33,936 inventorsTop 3%
Overall (All Time): #119,801 of 4,157,543Top 3%
31 Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
D273197 Variable speed belt drive Edward F. Krome, Jr., Gebus Barnsfather 1984-03-27
D273116 Variable speed belt drive Edward F. Krome, Jr., Gebus Barnsfather 1984-03-20
D273115 Variable speed belt drive Edward F. Krome, Jr., Gebus Barnsfather 1984-03-20
4425102 Variable speed belt drive Edward F. Krome, Jr. 1984-01-10
4384863 Variable speed belt drive Edward F. Krome, Jr., Gebus Barnsfather 1983-05-24
4378221 Torque cam assembly for variable speed drive and follower element therefor Gebus Barnsfather 1983-03-29