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

David C. Winter — 105 Patents

LPLifetime Products: 85 patents #1 of 111Top 1%
JDJohn Deere: 16 patents #229 of 5,518Top 5%
OPOff The Wall Products: 1 patents #15 of 23Top 70%
Layton, UT: #4 of 318 inventorsTop 2%
Utah: #40 of 19,430 inventorsTop 1%
Overall (All Time): #13,236 of 4,157,543Top 1%
105 Patents All Time

Issued Patents All Time

Showing 101–105 of 105 patents

Patent #TitleCo-InventorsDate
4494883 Bearing surface for thinwalled tube 1985-01-22
4493375 Method and apparatus for forming and reforming a furrow Michael Lee Pearson, John D. Long 1985-01-15
4463811 Implement with laterally movable frame structure 1984-08-07
4428214 Flow drilling process and tool therefor Glenn D. Head, Jr., William C. Le Master, Louis P. Bredesky, Jr. 1984-01-31
4320805 Wing fold implement and folding sequence control therefor 1982-03-23