Inventor · disambiguated record
Donald A. Piepho
Also filed as: PIEPHO DONALD A
3 granted patents·97 citations·filing 1974–1976
73Inventor score
Files withCATERPILLAR TRACTOR CO3
Top patents by PatentIndex Score
3 records- 0187US4022536AHinge pin constructionCATERPILLAR TRACTOR CO·Filed 1976·Granted May 10, 1977·66 cites·4 claims
- 0277US3937528ASegmented and cushioned idler for track-type vehicles and method for repairing sameCATERPILLAR TRACTOR CO·Filed 1974·Granted Feb 10, 1976·29 cites·35 claims
- 0320US4047542ABypass valveCATERPILLAR TRACTOR CO·Filed 1976·Granted Sep 13, 1977·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →