Inventor · disambiguated record
Lowell R. Hall
Also filed as: HALL LOWELL R
8 granted patents·168 citations·filing 1977–1999
88Inventor score
Top patents by PatentIndex Score
8 records- 0178US4066239AMetering slot configuration for a valve spoolCATERPILLAR TRACTOR CO·Filed 1977·Granted Jan 3, 1978·29 cites·3 claims
- 0273US5984436AHydraulic track tensioning circuitCATERPILLAR INC·Filed 1997·Granted Nov 16, 1999·37 cites·8 claims
- 0373US4372193ASystem with constant force actuatorCATERPILLAR TRACTOR CO·Filed 1980·Granted Feb 8, 1983·21 cites·7 claims
- 0468US4165675ALoad check valve cylinder mountedCATERPILLAR TRACTOR CO·Filed 1977·Granted Aug 28, 1979·18 cites·8 claims
- 0561US5117935ALoad sensing hydrostatic steering systemCATERPILLAR INC·Filed 1990·Granted Jun 2, 1992·24 cites·7 claims
- 0660US6195989B1Power control system for a machineCATERPILLAR INC·Filed 1999·Granted Mar 6, 2001·26 cites·27 claims
- 0747US4727793ASignal valve for pressure compensated systemCATERPILLER INC·Filed 1983·Granted Mar 1, 1988·8 cites·7 claims
- 0839US4194532AControl valve with bypass meansCATERPILLAR TRACTOR CO·Filed 1978·Granted Mar 25, 1980·5 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →