Inventor · disambiguated record
Lowell D. Hansen
Also filed as: HANSEN LOWELL D · HANSEN LOWELL DEAN
21 granted patents·436 citations·filing 1974–2014
96Inventor score
Top patents by PatentIndex Score
21 records- 0193US4183723ARotary vane pump having multi-independent outputs due to stator surfaces of different contourSUNDSTRAND CORP·Filed 1977·Granted Jan 15, 1980·54 cites·5 claims
- 0291US4035115AVane pumpSUNDSTRAND CORP·Filed 1975·Granted Jul 12, 1977·42 cites·2 claims
- 0390US7108493B2Variable displacement pump having rotating cam ringARGO TECH CORP·Filed 2002·Granted Sep 19, 2006·33 cites·16 claims
- 0483US7491043B2Variable displacement pump having a rotating cam ringARGO TECH CORP·Filed 2006·Granted Feb 17, 2009·9 cites·20 claims
- 0582US4222712AMultiple displacement pump system with bypass controlled by inlet pressureSUNDSTRAND CORP·Filed 1978·Granted Sep 16, 1980·29 cites·5 claims
- 0681US5017098APower transmissionVICKERS INC·Filed 1989·Granted May 21, 1991·37 cites·4 claims
- 0780US5064362ABalanced dual-lobe vane pump with radial inlet and outlet parting through the pump rotorVICKERS INC·Filed 1990·Granted Nov 12, 1991·44 cites·5 claims
- 0874US7484939B2Variable displacement radial piston pumpEATON CORP·Filed 2004·Granted Feb 3, 2009·13 cites·18 claims
- 0974US6398528B1Dual lobe, split ring, variable roller vane pumpARGO TECH CORP·Filed 2000·Granted Jun 4, 2002·17 cites·19 claims
- 1071US4925372APower transmissionVICKERS INC·Filed 1989·Granted May 15, 1990·27 cites·7 claims
- 1169US9188111B2Displacement assembly for a fluid deviceHANSEN LOWELL DEAN·Filed 2009·Granted Nov 17, 2015·3 cites·29 claims
- 1269US3953153AMultiple displacement pump system and methodSUNDSTRAND CORP·Filed 1974·Granted Apr 27, 1976·18 cites·10 claims
- 1368US9133830B2Fluid device with flexible ringHANSEN LOWELL DEAN·Filed 2009·Granted Sep 15, 2015·3 cites·28 claims
- 1466US5183392ACombined centrifugal and undervane-type rotary hydraulic machineVICKERS INC·Filed 1989·Granted Feb 2, 1993·25 cites·15 claims
- 1565US4963080ARotary hydraulic vane machine with cam-urged fluid-biased vanesVICKERS INC·Filed 1989·Granted Oct 16, 1990·21 cites·5 claims
- 1662US4102606AMultiple displacement pump system having control sequence for unloading valveSUNDSTRAND CORP·Filed 1976·Granted Jul 25, 1978·13 cites·1 claims
- 1759US8740593B2Variable displacement pump having a rotating cam ringCLEMENTS MARTIN A·Filed 2009·Granted Jun 3, 2014·1 cites·11 claims
- 1858US5017086AHydraulic periphery pumpsVICKERS INC·Filed 1989·Granted May 21, 1991·19 cites·18 claims
- 1954US9435338B2Variable displacement pump having rotating cam ringEATON IND CORP·Filed 2014·Granted Sep 6, 2016·0 cites·9 claims
- 2053US5051065APower transmissionVICKERS INC·Filed 1990·Granted Sep 24, 1991·21 cites·11 claims
- 2135US5123810APower transmissionVICKERS INC·Filed 1991·Granted Jun 23, 1992·7 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →