Inventor · disambiguated record
Franklin R. Smith
Also filed as: SMITH FRANKLIN R
47 granted patents·5 pending applications·1,456 citations·filing 1987–2018
99Inventor score
Files withBORGWARNER INC36BORG WARNER AUTOMOTIVE10BORG WARNER TRANSMISSION2MCCLOY CHAD1PLUTA CHRISTOPHER J1
Top patents by PatentIndex Score
52 records- 0199US8800515B1Cam torque actuated variable camshaft timing device with a bi-directional oil pressure bias circuitBORGWARNER INC·Filed 2013·Granted Aug 12, 2014·35 cites·12 claims
- 0299US8356583B2Variable camshaft timing device with hydraulic lock in an intermediate positionBORGWARNER INC·Filed 2009·Granted Jan 22, 2013·48 cites·27 claims
- 0399US5002023AVariable camshaft timing for internal combustion engineBORG WARNER AUTOMOTIVE·Filed 1989·Granted Mar 26, 1991·151 cites·30 claims
- 0498US6361458B1Hydraulic tensioner with pressure relief valveBORGWARNER INC·Filed 1999·Granted Mar 26, 2002·107 cites·11 claims
- 0598US5107804AVariable camshaft timing for internal combustion engineBORG WARNER AUTOMOTIVE·Filed 1991·Granted Apr 28, 1992·187 cites·22 claims
- 0697US7000580B1Control valves with integrated check valvesBORGWARNER INC·Filed 2004·Granted Feb 21, 2006·70 cites·49 claims
- 0796US9695716B2Multi-mode variable cam timing phaserBORGWARNER INC·Filed 2015·Granted Jul 4, 2017·6 cites·9 claims
- 0896US5361735ABelt driven variable camshaft timing systemBORG WARNER AUTOMOTIVE·Filed 1992·Granted Nov 8, 1994·87 cites·19 claims
- 0995US9803520B2Multi-mode variable cam timing phaserBORGWARNER INC·Filed 2016·Granted Oct 31, 2017·5 cites·9 claims
- 1095US6481402B1Variable camshaft timing system with pin-style lock between relatively oscillatable componentsBORGWARNER INC·Filed 2001·Granted Nov 19, 2002·54 cites·2 claims
- 1195US4869708ASprocket retention/chain guide assemblyBORG WARNER TRANSMISSION·Filed 1988·Granted Sep 26, 1989·71 cites·11 claims
- 1294US6814038B2Spool valve controlled VCT locking pin release mechanismBORGWARNER INC·Filed 2003·Granted Nov 9, 2004·44 cites·12 claims
- 1394US5577970AHydraulic tensioner with a pressure relief valveBORG WARNER AUTOMOTIVE·Filed 1995·Granted Nov 26, 1996·62 cites·14 claims
- 1493US6666181B2Hydraulic detent for a variable camshaft timing deviceBORGWARNER INC·Filed 2003·Granted Dec 23, 2003·42 cites·8 claims
- 1590US8820280B2Variable camshaft timing mechanism with a default modeSMITH FRANKLIN R·Filed 2011·Granted Sep 2, 2014·10 cites·22 claims
- 1690US6668778B1Using differential pressure control system for VCT lockBORGWARNER INC·Filed 2003·Granted Dec 30, 2003·30 cites·5 claims
- 1789US8893677B2Dual lock pin phaserBORGWARNER INC·Filed 2013·Granted Nov 25, 2014·6 cites·58 claims
- 1888US6941913B2Spool valve controlled VCT locking pin release mechanismBORGWARNER INC·Filed 2004·Granted Sep 13, 2005·27 cites·17 claims
- 1988US6745735B2Air venting mechanism for variable camshaft timing devicesBORGWARNER INC·Filed 2003·Granted Jun 8, 2004·27 cites·6 claims
- 2087US10344632B2Multi-mode variable camshaft timing device with two locking positionsBORGWARNER INC·Filed 2017·Granted Jul 9, 2019·2 cites·16 claims
- 2187US10001036B2Variable camshaft timing mechanism with a lock pin engaged by oil pressureBORGWARNER INC·Filed 2014·Granted Jun 19, 2018·6 cites·35 claims
- 2287US8387574B2Venting mechanism to enhance warming of a variable cam timing mechanismMCCLOY CHAD·Filed 2010·Granted Mar 5, 2013·8 cites·19 claims
- 2387US5367992AVariable camshaft timing system for improved operation during low hydraulic fluid pressureBORG WARNER AUTOMOTIVE·Filed 1993·Granted Nov 29, 1994·41 cites·23 claims
- 2486US7255077B2CTA phaser with proportional oil pressure for actuation at engine condition with low cam torsionalsBORGWARNER INC·Filed 2005·Granted Aug 14, 2007·10 cites·32 claims
- 2585US7124722B2Remote variable camshaft timing control valve with lock pin controlBORGWARNER INC·Filed 2004·Granted Oct 24, 2006·23 cites·19 claims
- 2684US5718650AHydraulic tensioner with porous ventBORG WARNER AUTOMOTIVE·Filed 1996·Granted Feb 17, 1998·36 cites·4 claims
- 2784US5046460AVariable camshaft timing for internal combustion engineBORG WARNER AUTOMOTIVE·Filed 1990·Granted Sep 10, 1991·41 cites·16 claims
- 2883US7699031B2Timing phaser with offset spool valveBORGWARNER INC·Filed 2006·Granted Apr 20, 2010·8 cites·14 claims
- 2983US4862770ATwo-speed alternator driveBORG WARNER AUTOMOTIVE·Filed 1987·Granted Sep 5, 1989·46 cites·14 claims
- 3081US9121358B2Using camshaft timing device with hydraulic lock in an intermediate position for vehicle restartsBORGWARNER INC·Filed 2013·Granted Sep 1, 2015·5 cites·29 claims
- 3180US4862845AVariable camshaft timing systemBORG WARNER TRANSMISSION·Filed 1988·Granted Sep 5, 1989·27 cites·31 claims
- 3279US8256393B2Variable cam timing controls mounted in the camshaftSIMPSON ROGER T·Filed 2008·Granted Sep 4, 2012·6 cites·6 claims
- 3377US6623390B2Hydraulic tensioner with pivotal mountBORGWARNER INC·Filed 2001·Granted Sep 23, 2003·14 cites·19 claims
- 3471US10767518B2Variable camshaft timing mechanism with a lock pin engaged by oil pressureBORGWARNER INC·Filed 2018·Granted Sep 8, 2020·0 cites·7 claims
- 3571US6312351B1Hydraulic tensioner with pivotal mountBORGWARNER INC·Filed 1999·Granted Nov 6, 2001·19 cites·17 claims
- 3667US7194992B2Hydraulic cushioning of a variable valve timing mechanismBORGWARNER INC·Filed 2004·Granted Mar 27, 2007·8 cites·4 claims
- 3767US6814037B1Variable camshaft timing for internal combustion engine with actuator lockingBORGWARNER INC·Filed 2003·Granted Nov 9, 2004·10 cites·4 claims
- 3865US6644258B1VCT mechanism having a lock pin adapted to release at a pressure higher than the pressure required to hold the lock pin in the released positionBORGWARNER INC·Filed 2003·Granted Nov 11, 2003·9 cites·6 claims
- 3962US6622677B2Worm gear driven variable cam phaserBORGWARNER INC·Filed 2003·Granted Sep 23, 2003·8 cites·8 claims
- 4061US6748912B2Method to vent air from a cam phaser with a center mounted spool valveBORGWARNER INC·Filed 2003·Granted Jun 15, 2004·7 cites·12 claims
- 4161US5152261AVariable camshaft timing system utilizing changes in length of portions of a chain or beltBORG WARNER AUTOMOTIVE·Filed 1991·Granted Oct 6, 1992·20 cites·13 claims
- 4259US5207192AVariable camshaft timing system utilizing square-edged spool valveBORG WARNER AUTOMOTIVE·Filed 1992·Granted May 4, 1993·19 cites·14 claims
- 4358US6971354B1Variable camshaft timing system with remotely located control systemBORGWARNER INC·Filed 2004·Granted Dec 6, 2005·6 cites·8 claims
- 4453US6866013B2Hydraulic cushioning of a variable valve timing mechanismBORGWARNER INC·Filed 2003·Granted Mar 15, 2005·4 cites·3 claims
- 4551US11002158B2Camshaft phaser using both cam torque and engine oil pressureBORGWARNER INC·Filed 2018·Granted May 11, 2021·0 cites·23 claims
- 4651US6779501B2Method to reduce rotational oscillation of a vane style phaser with a center mounted spool valveBORGWARNER INC·Filed 2003·Granted Aug 24, 2004·4 cites·31 claims
- 4745US10544714B2Variable camshaft timing device with two locking positionsBORGWARNER INC·Filed 2018·Granted Jan 28, 2020·0 cites·16 claims
- 4843US2014007848A1Using torsional energy to move an actuatorPLUTA CHRISTOPHER J·Filed 2012·Application pending·0 cites
- 4940US2008135004A1Timing Phaser Control SystemBORGWARNER INC·Filed 2006·Application pending·0 cites
- 5036US2005051121A1Variable camshaft timing phaser having a housing and a driving element of two different materialsBORGWARNER INC·Filed 2004·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →