Inventor · disambiguated record
Donald L. Bianchetta
Also filed as: BIANCHETTA DONALD L · BIANCHETTA DONALD LOUIS
25 granted patents·614 citations·filing 1973–2000
97Inventor score
Top patents by PatentIndex Score
25 records- 0199US4354420AFluid motor control system providing speed change by combination of displacement and flow controlCATERPILLAR TRACTOR CO·Filed 1979·Granted Oct 19, 1982·88 cites·6 claims
- 0295US4210061AThree-circuit fluid system having controlled fluid combiningCATERPILLAR TRACTOR CO·Filed 1978·Granted Jul 1, 1980·44 cites·13 claims
- 0394US4087968AFlow control valve for combining two dissimilar independent systems to a common pressure sourceCATERPILLAR TRACTOR CO·Filed 1977·Granted May 9, 1978·42 cites·10 claims
- 0494US3987623AControlled priority fluid system of a crawler type vehicleCATERPILLAR TRACTOR CO·Filed 1976·Granted Oct 26, 1976·43 cites·12 claims
- 0593US4041983APressure controlled swing valve with safety featureCATERPILLAR TRACTOR CO·Filed 1975·Granted Aug 16, 1977·44 cites·3 claims
- 0688US3982469AApparatus for controlling work element operating pressures in a fluid systemCATERPILLAR TRACTOR CO·Filed 1976·Granted Sep 28, 1976·32 cites·5 claims
- 0785US4112821AFluid control system for multiple circuited work elementsCATERPILLAR TRACTOR CO·Filed 1976·Granted Sep 12, 1978·28 cites·7 claims
- 0881US3987626AControls for multiple variable displacement pumpsCATERPILLAR TRACTOR CO·Filed 1976·Granted Oct 26, 1976·27 cites·5 claims
- 0979US5666807AOil processor circuitCATERPILLAR INC·Filed 1995·Granted Sep 16, 1997·26 cites·3 claims
- 1078US6477836B1Pilot control systemCATERPILLAR INC·Filed 2000·Granted Nov 12, 2002·19 cites·12 claims
- 1178US4023364ASwing flow supplemental travel for an excavatorCATERPILLAR TRACTOR CO·Filed 1976·Granted May 17, 1977·23 cites·7 claims
- 1275US5077972ALoad pressure duplicating circuitCATERPILLAR INC·Filed 1990·Granted Jan 7, 1992·25 cites·4 claims
- 1369US5063739ALoad sensing hydraulic control systemCATERPILLAR INC·Filed 1991·Granted Nov 12, 1991·23 cites·15 claims
- 1469US4355565AFluid circuit with zero leak load check and by-pass valveCATERPILLAR TRACTOR CO·Filed 1980·Granted Oct 26, 1982·16 cites·3 claims
- 1564US4123907AHydraulic system having selective simultaneous pressure and flow controlCATERPILLAR TRACTOR CO·Filed 1977·Granted Nov 7, 1978·14 cites·6 claims
- 1663US4006667AHydraulic control system for load supporting hydraulic motorsCATERPILLAR TRACTOR CO·Filed 1975·Granted Feb 8, 1977·14 cites·3 claims
- 1763US3943825AHydraulic control system for load supporting hydraulic motorsCATERPILLAR TRACTOR CO·Filed 1973·Granted Mar 16, 1976·17 cites·6 claims
- 1862US4487255AControl for a fluid-driven fanCATERPILLAR TRACTOR CO·Filed 1981·Granted Dec 11, 1984·17 cites·8 claims
- 1957US4286502AHydraulic load lifting system with automatic blocking valveCATERPILLAR TRACTOR CO·Filed 1979·Granted Sep 1, 1981·11 cites·7 claims
- 2056US4230022AHydraulic rock breaker circuit for an excavatorCATERPILLAR TRACTOR CO·Filed 1979·Granted Oct 28, 1980·12 cites·6 claims
- 2155US4011920ASynchronized vehicle fluid drive systemCATERPILLAR TRACTOR CO·Filed 1975·Granted Mar 15, 1977·12 cites·5 claims
- 2254US4327549AControlled pressure upstaging and flow reductionCATERPILLAR TRACTOR CO·Filed 1980·Granted May 4, 1982·11 cites·8 claims
- 2346US5471837AHydraulic system using multiple substantially identical valve assembliesCATERPILLAR INC·Filed 1993·Granted Dec 5, 1995·9 cites·5 claims
- 2445US5293746AHydraulic control systemCATERPILLAR INC·Filed 1992·Granted Mar 15, 1994·12 cites·6 claims
- 2539US3967640AHydraulic control valve assembly with diverse circuit adaptabilityCATERPILLAR TRACTOR CO·Filed 1975·Granted Jul 6, 1976·5 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →