Inventor · disambiguated record
David T. Vierk
Also filed as: VIERK DAVID · VIERK DAVID T
11 granted patents·6 pending applications·96 citations·filing 1989–2023
87Inventor score
Top patents by PatentIndex Score
17 records- 0191US4986397ALock-up piston plate for recirculating flow torque converterBORG WARNER AUTOMOTIVE·Filed 1989·Granted Jan 22, 1991·56 cites·9 claims
- 0283US10060485B2Composite friction and dog clutchBORGWARNER INC·Filed 2015·Granted Aug 28, 2018·3 cites·15 claims
- 0383US8905212B2Synchro-lock clutch-combination friction and mechanical locking clutchVIERK DAVID·Filed 2009·Granted Dec 9, 2014·13 cites·7 claims
- 0475US12146533B2Clutch assembly and rotating system including the sameBORGWARNER INC·Filed 2023·Granted Nov 19, 2024·0 cites·20 claims
- 0574US11092200B2Friction plate and clutch assembly including the sameBORGWARNER INC·Filed 2018·Granted Aug 17, 2021·2 cites·23 claims
- 0665US9771984B2Dual gain friction clutchBORGWARNER INC·Filed 2015·Granted Sep 26, 2017·1 cites·13 claims
- 0754US11746847B2Clutch system and vehicle transmission system including the sameBORGWARNER INC·Filed 2020·Granted Sep 5, 2023·0 cites·27 claims
- 0846US2021207674A1Friction materialBORGWARNER INC·Filed 2020·Application pending·0 cites
- 0943US5476160ADouble-wrap brake band assemblyBORG WARNER AUTOMOTIVE·Filed 1993·Granted Dec 19, 1995·11 cites·11 claims
- 1043US2021277972A1Friction materialBORGWARNER INC·Filed 2020·Application pending·0 cites
- 1142US10378631B2Friction clutch having a first friction material engageable in a partially engaged position and a second friction material engageable in a fully engaged positionBORGWARNER INC·Filed 2016·Granted Aug 13, 2019·0 cites·24 claims
- 1241US5680921ATransmission band assemblyBORG WARNER AUTOMOTIVE·Filed 1996·Granted Oct 28, 1997·7 cites·4 claims
- 1341US2020400199A1Friction plate and clutch assembly including the sameBORGWARNER INC·Filed 2019·Application pending·0 cites
- 1440US2020386278A1Core plate of a friction plate and method of making the sameBORGWARNER INC·Filed 2019·Application pending·0 cites
- 1538US2011048889A1Clutch Plate Having Reinforced Spline TeethBORGWARNER INC·Filed 2010·Application pending·0 cites
- 1635US2017130748A1Multi-output charging deviceBORGWARNER INC·Filed 2015·Application pending·0 cites
- 1731US5499700ADouble wrap brake band with break-away tiesBORG WARNER AUTOMOTIVE·Filed 1994·Granted Mar 19, 1996·3 cites·9 claims
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