Inventor · disambiguated record
Douglas W. Smith
Also filed as: SMITH DOUGLAS · SMITH DOUGLAS W · SMITH DOUGLAS W P · SMITH DOUGLAS WAYNE
28 granted patents·4 pending applications·552 citations·filing 1980–2013
97Inventor score
Top patents by PatentIndex Score
32 records- 0192US5222623ACovered drinking vesselEGER DOUGLAS R·Filed 1991·Granted Jun 29, 1993·86 cites·19 claims
- 0287US5954212ALightweight knuckle for a railroad car couplerNAT CASTINGS INC·Filed 1998·Granted Sep 21, 1999·67 cites·20 claims
- 0387USD381580SSpoutPROCTER & GAMBLE·Filed 1995·Granted Jul 29, 1997·32 cites·1 claims
- 0485US8176724B2Hybrid Brayton cycle with solid fuel firingSMITH DOUGLAS W P·Filed 2008·Granted May 15, 2012·13 cites·11 claims
- 0585USD354181SGravity feed rack for beverage cansCADBURY BEVERAGES INC·Filed 1994·Granted Jan 10, 1995·31 cites·1 claims
- 0682US5108006ATablet dispenser with locking meansPROCTER & GAMBLE·Filed 1990·Granted Apr 28, 1992·76 cites·20 claims
- 0780US6394418B1Bellows actuator for pressure and flow controlABB INC·Filed 2000·Granted May 28, 2002·20 cites·38 claims
- 0880USD278537SSnow throwerTHE TORO CO·Filed 1983·Granted Apr 23, 1985·16 cites·1 claims
- 0980USD260898SSnow thrower housingTHE TORO CO·Filed 1980·Granted Sep 22, 1981·18 cites·1 claims
- 1076US5192427AShower filters and accessoriesEGER DOUGLAS R·Filed 1990·Granted Mar 9, 1993·45 cites·49 claims
- 1174USD363430SContainer having a curved back panelPFIZER·Filed 1994·Granted Oct 24, 1995·19 cites·1 claims
- 1260US4631923ASolenoid operated check valveDEVRON ENGINEERING LIMITED·Filed 1985·Granted Dec 30, 1986·21 cites·6 claims
- 1359USD588895SInside door handle for motor vehicleTRIMARK CORP·Filed 2007·Granted Mar 24, 2009·9 cites·1 claims
- 1459US2011090045A1Lockable container with time-controlled remote controlSMITH DOUGLAS W·Filed 2009·Application pending·0 cites
- 1556USD614016SMotor home entrance door handleTRIMARK CORP·Filed 2008·Granted Apr 20, 2010·10 cites·1 claims
- 1656USD281070SFluid pump housingWAGNER SPRAY TECH CORP·Filed 1982·Granted Oct 22, 1985·6 cites·1 claims
- 1752USD563097SKey RF FOBTRIMARK CORP·Filed 2006·Granted Mar 4, 2008·8 cites·1 claims
- 1852USD278912SHand operable sewing machineSINGER CO·Filed 1983·Granted May 21, 1985·5 cites·1 claims
- 1952US2014043137A1Lockable Container with Time-Controlled Remote ControlSMITH DOUGLAS W·Filed 2013·Application pending·0 cites
- 2050USD598729SInside door handle for motor vehicleTRIMARK CORP·Filed 2008·Granted Aug 25, 2009·6 cites·1 claims
- 2150US5165469AHigh viscous fluid heat exchangerSMITH DOUGLAS W P·Filed 1991·Granted Nov 24, 1992·20 cites·5 claims
- 2247USD277863SSewing machineSINGER CO·Filed 1983·Granted Mar 5, 1985·4 cites·1 claims
- 2346USD342189SCovered mugEGER DOUGLAS R·Filed 1991·Granted Dec 14, 1993·5 cites·1 claims
- 2446US5228503AHigh viscous fluid heat exchangerSMITH DOUGLAS W P·Filed 1992·Granted Jul 20, 1993·16 cites·5 claims
- 2542USD264173SPowered implement handleTHE TORO CO·Filed 1980·Granted May 4, 1982·3 cites·1 claims
- 2641US4406723AFabric repairing methodSINGER CO·Filed 1982·Granted Sep 27, 1983·7 cites·10 claims
- 2740US2002158026A1Process for purifying waterFiled 2001·Application pending·0 cites
- 2839US6688261B2Heating system for liquidsCONEMATIC HEATING SYSTEMS INC·Filed 2002·Granted Feb 10, 2004·4 cites·20 claims
- 2938US4873407ADielectric cross machine moisture controlDEVRON HERCULES INC·Filed 1989·Granted Oct 10, 1989·5 cites·11 claims
- 3037US2009157219A1Intelligent Sleeve Container for Use in a Controlled Syringe SystemPARKER JR LANCE T·Filed 2008·Application pending·0 cites
- 3131USD279295SHand operable fabric repairing machineSINGER CO·Filed 1983·Granted Jun 18, 1985·0 cites·1 claims
- 3230USD285770SPower unit for a paint scraper or similar articleWAGNER SPRAY TECH CORP·Filed 1983·Granted Sep 23, 1986·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →