Inventor · disambiguated record
Allyn J. Hein
Also filed as: HEIN ALLYN J
5 granted patents·64 citations·filing 1974–1977
80Inventor score
Files withCATERPILLAR TRACTOR CO5
Top patents by PatentIndex Score
5 records- 0180US3956969AHydrostatic pump including separate noise reducing valve assemblies for its inlet and outlet pressure portsCATERPILLAR TRACTOR CO·Filed 1974·Granted May 18, 1976·34 cites·4 claims
- 0245US4080979ACombined summing and underspeed valveCATERPILLAR TRACTOR CO·Filed 1977·Granted Mar 28, 1978·8 cites·9 claims
- 0344US3999892AInterconnected pump control means of a plurality of pumpsCATERPILLAR TRACTOR CO·Filed 1976·Granted Dec 28, 1976·8 cites·9 claims
- 0442US4013381APump control assembly having adjustable biasing meansCATERPILLAR TRACTOR CO·Filed 1976·Granted Mar 22, 1977·7 cites·9 claims
- 0537US4168653ATwo position variable displacement motorCATERPILLAR TRACTOR CO·Filed 1976·Granted Sep 25, 1979·7 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →