Inventor · disambiguated record
Roger D. Mickelson
Also filed as: MICKELSON ROGER · MICKELSON ROGER D
22 granted patents·272 citations·filing 1975–2017
96Inventor score
Top patents by PatentIndex Score
22 records- 0188US6397890B1Variable metering fluid control valveCASE CORP·Filed 1999·Granted Jun 4, 2002·67 cites·14 claims
- 0280US4011699ATelescopic boom quick retract hydraulic circuitFMC CORP·Filed 1975·Granted Mar 15, 1977·27 cites·7 claims
- 0375US6817278B2Piston assembly for hydraulic cylinderCNH AMERICA LLC·Filed 2002·Granted Nov 16, 2004·19 cites·7 claims
- 0473US6637315B2Welded hydraulic cylinder for work vehiclesCASE CORP·Filed 2001·Granted Oct 28, 2003·14 cites·10 claims
- 0571US4559965AMultiple compensating unloading valve circuitCASE CO J I·Filed 1984·Granted Dec 24, 1985·18 cites·1 claims
- 0669US10711926B2Sealing assembly with retention sleeve for fluid conduit connectorCNH IND AMERICA LLC·Filed 2017·Granted Jul 14, 2020·1 cites·19 claims
- 0767US6964221B2Welded hydraulic actuator including a seal and method of manufacturing sameCNH AMERICA LLC·Filed 2004·Granted Nov 15, 2005·12 cites·12 claims
- 0867US4205591AMultiple speed hoisting system with pressure protection and load controlFMC CORP·Filed 1978·Granted Jun 3, 1980·18 cites·5 claims
- 0966US7377330B2Sway restrictor bracket for a draft link of a three point hitchCNH AMERICA LLC·Filed 2005·Granted May 27, 2008·6 cites·12 claims
- 1061US7891459B2Multiple ratio steering for loaderCNH AMERICA LLC·Filed 2007·Granted Feb 22, 2011·4 cites·20 claims
- 1158US7673699B2Sway restrictor bracket for a draft link of a three point hitchCNH AMERICA LLC·Filed 2007·Granted Mar 9, 2010·2 cites·5 claims
- 1257US6612109B2Hydraulic power boost system for a work vehicleCASE CORP·Filed 2001·Granted Sep 2, 2003·7 cites·5 claims
- 1354US6694615B2Method for manufacturing a welded hydraulic cylinder for reducing hoop stressCASE CORP·Filed 2001·Granted Feb 24, 2004·5 cites·4 claims
- 1453US4767255ABackhoe boom cylinder bleed circuitCASE CO J I·Filed 1987·Granted Aug 30, 1988·13 cites·1 claims
- 1552US6926113B2Cushioned steering for articulated vehicleCNH AMERICA LLC·Filed 2003·Granted Aug 9, 2005·8 cites·18 claims
- 1647US4142369AMultiple speed hoisting system with pressure protection and load controlFMC CORP·Filed 1976·Granted Mar 6, 1979·9 cites·5 claims
- 1745US4098221ADrum rotation indicatorFMC CORP·Filed 1976·Granted Jul 4, 1978·8 cites·10 claims
- 1842US5511329ABackhoe mounting mechanismCASE CORP·Filed 1994·Granted Apr 30, 1996·8 cites·9 claims
- 1941US4787204ACommon relief valveCASE CO J I·Filed 1987·Granted Nov 29, 1988·6 cites·1 claims
- 2040US6260467B1Hydraulic circuit providing plural swing rates in an earthworking construction machineCASE CORP·Filed 1999·Granted Jul 17, 2001·10 cites·21 claims
- 2134US4624106APressure-compensating hydraulic system for preventing unauthorized use of a material handling implementCASE CO J I·Filed 1984·Granted Nov 25, 1986·4 cites·2 claims
- 2232US6267548B1Automatic over center systemCASE CORP·Filed 1998·Granted Jul 31, 2001·6 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →