Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Richard E. Livesay — 44 Patents

Caterpillar: 44 patents #40 of 8,398Top 1%
Peoria, IL: #10 of 1,769 inventorsTop 1%
Illinois: #1,032 of 84,256 inventorsTop 2%
Overall (All Time): #68,439 of 4,157,543Top 2%
44 Patents All Time

Issued Patents All Time

Showing 26–44 of 44 patents

Patent #TitleCo-InventorsDate
4361363 Idler-roller recoil device 1982-11-30
4339156 Roller-idler assembly for crawler undercarriage 1982-07-13
4318446 Linear motion impactor device 1982-03-09
4306753 Articulated chain with mid-pitch drive and replaceable drive bushing Paul L. Wright 1981-12-22
RE30769 Mounting arrangement for impact rock-breaker Delwin E. Cobb, Jerry D. Fidler, Nathan Gutman, Gerald P. Simmons, Orrin A. Stemler 1981-10-13
4288172 Keeper assembly Paul L. Wright 1981-09-08
4277876 Method for rotating a track chain bushing 1981-07-14
4278303 Force and noise isolating apparatus for continuous track system 1981-07-14
4278368 Apparatus and method for compacting material 1981-07-14
4277199 Keeper assembly 1981-07-07
4274682 Self-lapping seal for track chain 1981-06-23
4265084 Method and apparatus for assembly of a track chain with minimum end play 1981-05-05
4247149 Mechanically actuated impact mechanism 1981-01-27
4239297 Radial face seal 1980-12-16
4229044 Clevis-mounted impact ripper Delwin E. Cobb 1980-10-21
4227744 Impact tip for impact rock breaker 1980-10-14
4210292 Impact rock crusher 1980-07-01
4187744 Apparatus for rotating track chain bushing 1980-02-12
4182578 Keeper assembly Paul L. Wright 1980-01-08