Inventor · disambiguated record
Donald E. Hoffman
Also filed as: HOFFMAN DONALD · HOFFMAN DONALD E · HOFFMAN DONALD EDWARD
46 granted patents·5 pending applications·1,178 citations·filing 1984–2017
98Inventor score
Files withFORD GLOBAL TECH LLC26GEN MOTORS CORP9HOFFMAN DONALD E4HOFFMAN DONALD EDWARD3CREATIVE PLAYTHINGS LTD2
Top patents by PatentIndex Score
51 records- 0199US8382631B2Accessory drive and engine restarting systemFORD GLOBAL TECH LLC·Filed 2010·Granted Feb 26, 2013·76 cites·11 claims
- 0298US8591377B1Multi-speed automatic transmissionHOFFMAN DONALD E·Filed 2012·Granted Nov 26, 2013·84 cites·23 claims
- 0398US8376889B2Transmission producing continuously variable speed ratiosFORD GLOBAL TECH LLC·Filed 2010·Granted Feb 19, 2013·74 cites·20 claims
- 0498US6958028B2Ranged dual clutch transmission for motor vehiclesFORD GLOBAL TECH LLC·Filed 2004·Granted Oct 25, 2005·80 cites·25 claims
- 0597US9175748B2Multi-speed transmissionFORD GLOBAL TECH LLC·Filed 2013·Granted Nov 3, 2015·49 cites·19 claims
- 0697US5234185AUnitary pipe clamp and assemblyGEN MOTORS CORP·Filed 1992·Granted Aug 10, 1993·212 cites·3 claims
- 0796US8257216B2Infinitely variable transmissionHOFFMAN DONALD EDWARD·Filed 2010·Granted Sep 4, 2012·31 cites·18 claims
- 0895US9822856B2Multi-speed transmissionFORD GLOBAL TECH LLC·Filed 2015·Granted Nov 21, 2017·8 cites·12 claims
- 0995US8257217B2Infinitely variable transmission with offset output shaftHOFFMAN DONALD EDWARD·Filed 2009·Granted Sep 4, 2012·33 cites·17 claims
- 1095US6278764B1High efficiency replicated x-ray optics and fabrication methodUNVIERSITY OF CALIFORNIA·Filed 1999·Granted Aug 21, 2001·159 cites·34 claims
- 1193US9217494B2Multi-speed transmissionFORD GLOBAL TECH LLC·Filed 2013·Granted Dec 22, 2015·11 cites·24 claims
- 1292US10247280B2Four planetary-gearset step-ratio automatic transmissionFORD GLOBAL TECH LLC·Filed 2014·Granted Apr 2, 2019·11 cites·23 claims
- 1391US9103414B1Six shift-element step-ratio automatic transmissionFORD GLOBAL TECH LLC·Filed 2014·Granted Aug 11, 2015·9 cites·22 claims
- 1486US10145453B2Multi-speed transmissionFORD GLOBAL TECH LLC·Filed 2017·Granted Dec 4, 2018·3 cites·22 claims
- 1584US8784258B2Planetary power transmissionHOFFMAN DONALD EDWARD·Filed 2010·Granted Jul 22, 2014·7 cites·7 claims
- 1682US5202086AAramid fabric for garments of improved comfortDU PONT·Filed 1992·Granted Apr 13, 1993·32 cites·3 claims
- 1781US10309506B2Multiple-mode continuously variable transmissionFORD GLOBAL TECH LLC·Filed 2016·Granted Jun 4, 2019·2 cites·18 claims
- 1881US6572483B1Spinnable swing assemblyFiled 2002·Granted Jun 3, 2003·30 cites·16 claims
- 1977US4768545AActuator for air conditioning systemGEN MOTORS CORP·Filed 1987·Granted Sep 6, 1988·32 cites·21 claims
- 2076US8574110B2Transmission producing stepless variable speed ratiosHOFFMAN DONALD E·Filed 2010·Granted Nov 5, 2013·4 cites·18 claims
- 2176US7235032B2Multiple-speed automatic transmission having a two-speed input and a Simpson gearsetFORD GLOBAL TECH LLC·Filed 2005·Granted Jun 26, 2007·8 cites·14 claims
- 2274US9423005B2Multi-speed transmissionFORD GLOBAL TECH LLC·Filed 2013·Granted Aug 23, 2016·3 cites·20 claims
- 2373US5101883AMethod of assembly of single and multi-zone vehicle heating and a/c systemsGEN MOTORS CORP·Filed 1991·Granted Apr 7, 1992·38 cites·5 claims
- 2472US8475316B2Accessory drive and engine restarting systemHOFFMAN DONALD E·Filed 2010·Granted Jul 2, 2013·3 cites·17 claims
- 2570US9109669B2Multi-speed transmissionFORD GLOBAL TECH LLC·Filed 2013·Granted Aug 18, 2015·2 cites·16 claims
- 2670US5305593AProcess for making spun yarnDU PONT·Filed 1992·Granted Apr 26, 1994·17 cites·13 claims
- 2769US7670249B2Multiple speed automatic transmissionFORD GLOBAL TECH LLC·Filed 2007·Granted Mar 2, 2010·4 cites·3 claims
- 2868US7294089B2Multiple-speed automatic transmissionFORD GLOBAL TECH LLC·Filed 2005·Granted Nov 13, 2007·5 cites·15 claims
- 2966US6122983AShift device for a manual transmissionFORD GLOBAL TECH INC·Filed 1997·Granted Sep 26, 2000·19 cites·12 claims
- 3065US6453624B1Playset tower assembly arrangementCREATIVE PLAYTHINGS LTD·Filed 2000·Granted Sep 24, 2002·15 cites·18 claims
- 3165US4683913ARotary air valve seal arrangementGEN MOTORS CORP·Filed 1986·Granted Aug 4, 1987·23 cites·2 claims
- 3261US7766785B2Multiple speed automatic transmissionFORD GLOBAL TECH LLC·Filed 2007·Granted Aug 3, 2010·3 cites·14 claims
- 3360US8016714B2Multiple speed transmission utilizing co-planar gear setsFORD GLOBAL TECH LLC·Filed 2008·Granted Sep 13, 2011·2 cites·21 claims
- 3460US4828018AMotor vehicle air conditioning and heating system with bi-level modeGEN MOTORS CORP·Filed 1987·Granted May 9, 1989·19 cites·2 claims
- 3559US4549605ASingle inlet/outlet-tank U-shaped tube heat exchangerGEN MOTORS CORP·Filed 1984·Granted Oct 29, 1985·18 cites·2 claims
- 3657US10344830B2Multi-speed transmissionFORD GLOBAL TECH LLC·Filed 2017·Granted Jul 9, 2019·0 cites·7 claims
- 3757US9638291B2Multi-speed transmissionFORD GLOBAL TECH LLC·Filed 2015·Granted May 2, 2017·0 cites·7 claims
- 3854US9625019B2Infinitely variable transmissionFORD GLOBAL TECH LLC·Filed 2015·Granted Apr 18, 2017·0 cites·16 claims
- 3951US8647233B2Accessory drive and engine restartingFORD GLOBAL TECH LLC·Filed 2013·Granted Feb 11, 2014·0 cites·19 claims
- 4050US5263893AAir distribution housing with integrally formed internal bearing pins and its method of manufactureGEN MOTORS CORP·Filed 1992·Granted Nov 23, 1993·17 cites·4 claims
- 4149US5163505AHeater core retaining systemGEN MOTORS CORP·Filed 1992·Granted Nov 17, 1992·17 cites·8 claims
- 4248US8986155B2Multi-speed transmissionFORD GLOBAL TECH LLC·Filed 2013·Granted Mar 24, 2015·0 cites·18 claims
- 4347US2010125017A1Multiple Speed Automatic TransmissionFORD GLOBAL TECH LLC·Filed 2010·Application pending·0 cites
- 4446US8961357B2Multi-speed automatic transmissionFORD GLOBAL TECH LLC·Filed 2012·Granted Feb 24, 2015·0 cites·2 claims
- 4542US2014256499A1Multi-speed transmissionFORD GLOBAL TECH LLC·Filed 2013·Application pending·0 cites
- 4642US2014179487A1Multiple Speed Transmission With Integrated Low RangeFORD GLOBAL TECH LLC·Filed 2012·Application pending·0 cites
- 4741US4711158ALinear motion actuator with spring centering meansGEN MOTORS CORP·Filed 1985·Granted Dec 8, 1987·9 cites·3 claims
- 4839USD411279SGlider swingCREATIVE PLAYTHINGS LTD·Filed 1998·Granted Jun 22, 1999·4 cites·1 claims
- 4938US2012149528A1Automatic TransmissionHOFFMAN DONALD E·Filed 2010·Application pending·0 cites
- 5037US5961390AStable swing arrangementFiled 1998·Granted Oct 5, 1999·5 cites·18 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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