Assignee
SMITH ROGER R
US·14 granted patents·256 citations·filing 1977–1993
Top patents by PatentIndex Score
14 records- 0188US5033269ACompound power plantSMITH ROGER R·Filed 1990·Granted Jul 23, 1991·67 cites·12 claims
- 0284US4813452AKinetic check valveSMITH ROGER R·Filed 1987·Granted Mar 21, 1989·41 cites·3 claims
- 0381US5015221ADifferential steering mechanismSMITH ROGER R·Filed 1990·Granted May 14, 1991·46 cites·8 claims
- 0477US4989410ACompound power plantSMITH ROGER R·Filed 1989·Granted Feb 5, 1991·33 cites·9 claims
- 0559US5072633ADrive extensionSMITH ROGER R·Filed 1991·Granted Dec 17, 1991·19 cites·2 claims
- 0648US4943269ADifferential with lock-out mechanismSMITH ROGER R·Filed 1989·Granted Jul 24, 1990·11 cites·6 claims
- 0746US4103920AVehicle anti-roll mechanismSMITH ROGER R·Filed 1977·Granted Aug 1, 1978·10 cites·2 claims
- 0841US5289843AHydraulic safety valveSMITH ROGER R·Filed 1993·Granted Mar 1, 1994·8 cites·2 claims
- 0940US4867037ATurret traversing mechanismSMITH ROGER R·Filed 1989·Granted Sep 19, 1989·6 cites·10 claims
- 1039US5060693AProportioning valve for hydraulic systemsSMITH ROGER R·Filed 1991·Granted Oct 29, 1991·7 cites·1 claims
- 1136US5056993ALiquid intake mechanism for rotary vane hydraulic motorsSMITH ROGER R·Filed 1990·Granted Oct 15, 1991·5 cites·11 claims
- 1231US4567787ACompound planetary hydro-mechanical transmission with speed-responsive centrifugal clutch meansSMITH ROGER R·Filed 1983·Granted Feb 4, 1986·2 cites·9 claims
- 1330US5000216APressure relief valveSMITH ROGER R·Filed 1990·Granted Mar 19, 1991·1 cites·4 claims
- 1430US4840091ATransmission shift mechanismSMITH ROGER R·Filed 1988·Granted Jun 20, 1989·0 cites·17 claims
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