Inventor · disambiguated record
Stephen W. Smith
Also filed as: SMITH STEPHEN · SMITH STEPHEN W · SMITH STEPHEN WILLIAM
55 granted patents·6 pending applications·1,624 citations·filing 1979–2019
99Inventor score
Files withTRN BUSINESS TRUST17TRINITY IND INC11HEDSTROM CORP7BLACK & DECKER INC4MONTGOMERY ELEVATOR4
Top patents by PatentIndex Score
61 records- 0196US8138778B1Apparatus for high density low cost automatic test applicationsSMITH STEPHEN WILLIAM·Filed 2006·Granted Mar 20, 2012·51 cites·20 claims
- 0295US4893067ADirect current motor speed controlBLACK & DECKER INC·Filed 1987·Granted Jan 9, 1990·215 cites·14 claims
- 0394US4737661AVariable speed trigger switchBLACK & DECKER INC·Filed 1986·Granted Apr 12, 1988·63 cites·7 claims
- 0493US7478600B2Temperature controlled railway carTRINITY IND INC·Filed 2007·Granted Jan 20, 2009·28 cites·23 claims
- 0592US6871600B2Pultruded panelTRN BUSINESS TRUST·Filed 2003·Granted Mar 29, 2005·66 cites·11 claims
- 0692US6722287B2Roof assembly and airflow management system for a temperature controlled railway carTRN BUSINESS TRUST·Filed 2002·Granted Apr 20, 2004·58 cites·6 claims
- 0788US6371033B1High capacity integrated railway car truckTRN BUSINESS TRUST·Filed 1999·Granted Apr 16, 2002·72 cites·20 claims
- 0888US6367391B1Railway car with composite box structure formed from molded componentsTRN BUSINESS TRUST·Filed 1999·Granted Apr 9, 2002·59 cites·30 claims
- 0988US5511491ARailway carTRINITY IND INC·Filed 1995·Granted Apr 30, 1996·61 cites·19 claims
- 1087US7424935B1Elevator door assemblyCOLUMBIA ELEVATOR SOLUTIONS IN·Filed 2005·Granted Sep 16, 2008·25 cites·11 claims
- 1187US6575102B2Temperature controlled railway carTRN BUSINESS TRUST·Filed 2002·Granted Jun 10, 2003·36 cites·17 claims
- 1287US5392717ARailway carTRINITY IND INC·Filed 1993·Granted Feb 28, 1995·53 cites·15 claims
- 1386US5430607ARugged modular portable computer including modules hinged along an edgeNORTH ATLANTIC INDUSTRIES·Filed 1992·Granted Jul 4, 1995·120 cites·33 claims
- 1484US4875553AModular elevator cab constructionMONTGOMERY ELEVATOR·Filed 1988·Granted Oct 24, 1989·39 cites·5 claims
- 1584USD291292SChild's racing bikeHEDSTROM CORP·Filed 1985·Granted Aug 11, 1987·22 cites·1 claims
- 1684US4649245AVariable speed trigger switchBLACK & DECKER INC·Filed 1985·Granted Mar 10, 1987·29 cites·5 claims
- 1782US6941875B2Temperature controlled railway carTRN BUSINESS TRUST·Filed 2003·Granted Sep 13, 2005·25 cites·9 claims
- 1882US6704991B1Method for forming a railway car with improved crosstie connectionsTRN BUSINESS TRUST·Filed 2000·Granted Mar 16, 2004·31 cites·9 claims
- 1981US4779707AModular elevator cab constructionMONTGOMERY ELEVATOR·Filed 1986·Granted Oct 25, 1988·37 cites·5 claims
- 2080US5584252ARailway freight carTRINITY IND INC·Filed 1994·Granted Dec 17, 1996·45 cites·11 claims
- 2179US7817452B2Phase shifted H-Bridge resonant converter with symmetrical currentsSMITH STEPHEN WILLIAM·Filed 2007·Granted Oct 19, 2010·16 cites·6 claims
- 2279US6302031B1Sidewall for a railway carTRN BUSINESS TRUST·Filed 1999·Granted Oct 16, 2001·42 cites·15 claims
- 2377US7228805B2Temperature controlled railway carTRINITY IND INC·Filed 2004·Granted Jun 12, 2007·22 cites·20 claims
- 2476US8602231B2Draft sill with special rear draft lug for a railcarSMITH STEPHEN W·Filed 2011·Granted Dec 10, 2013·4 cites·16 claims
- 2575US4734629AVariable speed trigger switchBLACK & DECKER INC·Filed 1987·Granted Mar 29, 1988·37 cites·4 claims
- 2674US8509031B2H-bridge pulse generatorSMITH STEPHEN·Filed 2010·Granted Aug 13, 2013·3 cites·10 claims
- 2774US7543367B2Method of assembling a temperature controlled railway carTRINITY IND INC·Filed 2005·Granted Jun 9, 2009·10 cites·18 claims
- 2874USD343671SSwing seatHEDSTROM CORP·Filed 1992·Granted Jan 25, 1994·16 cites·1 claims
- 2972US6700396B1Integrated micromachine relay for automated test equipment applicationsLTX CORP·Filed 2001·Granted Mar 2, 2004·14 cites·23 claims
- 3072US4348962ARailway hopper car bolster assemblyTRINITY IND INC·Filed 1979·Granted Sep 14, 1982·21 cites·12 claims
- 3168US5562046ALoad bearing crossbearer connectionTRINITY IND INC·Filed 1994·Granted Oct 8, 1996·25 cites·20 claims
- 3268US5341747ARailway gondola carTRINITY IND INC·Filed 1993·Granted Aug 30, 1994·26 cites·31 claims
- 3367US4875552AModular elevator cab constructionMONTGOMERY ELEVATOR·Filed 1988·Granted Oct 24, 1989·22 cites·1 claims
- 3466US8388008B2Leg support for a motorcycleSMITH STEPHEN·Filed 2009·Granted Mar 5, 2013·4 cites·10 claims
- 3566US6904848B2Roof assembly and airflow management system for a temperature controlled railway carTRN BUSINESS TRUST·Filed 2004·Granted Jun 14, 2005·10 cites·19 claims
- 3666US6865992B1Increased capacity railway carTRN BUSINESS TRUST·Filed 2000·Granted Mar 15, 2005·10 cites·7 claims
- 3765US6237505B1Large capacity car body for pressure discharge railway hopper carsTRN BUSINESS TRUST·Filed 1999·Granted May 29, 2001·31 cites·21 claims
- 3865US5587680APulse generator with charge pumpMTS SYSTEM CORP·Filed 1995·Granted Dec 24, 1996·21 cites·23 claims
- 3963USD317142SBicycleHEDSTROM CORP·Filed 1989·Granted May 28, 1991·9 cites·1 claims
- 4062US5710400ARotary multiple capacitive switchEATON CORP·Filed 1996·Granted Jan 20, 1998·21 cites·10 claims
- 4160USD291187SBicycleHEDSTROM CORP·Filed 1985·Granted Aug 4, 1987·8 cites·1 claims
- 4257US6213028B1Increased capacity railway carTRN BUSINESS TRUST·Filed 1998·Granted Apr 10, 2001·17 cites·17 claims
- 4354US6903562B1Integrated micromachine relay for automated test equipment applicationsLTX CORP·Filed 2003·Granted Jun 7, 2005·5 cites·17 claims
- 4454US6189456B1High capacity axle for railway freight carsTRN BUSINESS TRUST·Filed 1998·Granted Feb 20, 2001·16 cites·9 claims
- 4549US6694889B2Siphon drainpipe system and method for a railway tank carTRN BUSINESS TRUST·Filed 2003·Granted Feb 24, 2004·3 cites·21 claims
- 4648US5338260AChildren's swingHEDSTROM CORP·Filed 1992·Granted Aug 16, 1994·17 cites·6 claims
- 4747US6138581ARailway gondola carTRN BUSINESS TRUST·Filed 1998·Granted Oct 31, 2000·11 cites·34 claims
- 4846US2019248384A1Truss Plate Side Sheet AssemblyTRINITY NORTH AMERICAN FREIGHT CAR INC·Filed 2019·Application pending·0 cites
- 4943US4364203AModular sheet metal door structureMONTGOMERY ELEVATOR·Filed 1980·Granted Dec 21, 1982·13 cites·26 claims
- 5042USD290940SKnock-down tricycleBROWN GROUP RECREATIONAL PRODUCTS INC·Filed 1985·Granted Jul 21, 1987·3 cites·1 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →