Inventor · disambiguated record
Peter Paul Gregar
Also filed as: GREGAR PETER · GREGAR PETER P · GREGAR PETER PAUL
20 granted patents·73 citations·filing 2009–2021
93Inventor score
Files withWESTINGHOUSE AIR BRAKE TECH CORP7WABTEC HOLDING CORP6GREGAR PETER3MARLOW JONATHON2SPRAINIS RONALD J2
Top patents by PatentIndex Score
20 records- 0186US7802524B1Constant contact side bearing assembly with improved cap machining for a railcarWABTEC HOLDING CORP·Filed 2009·Granted Sep 28, 2010·15 cites·10 claims
- 0285US10562550B2Slack adjuster for a brake system with increased take-up capacityWESTINGHOUSE AIR BRAKE TECH CORP·Filed 2016·Granted Feb 18, 2020·3 cites·15 claims
- 0385US8869954B2Lubricating insert for railroad brake head assemblyMARLOW JONATHON·Filed 2011·Granted Oct 28, 2014·11 cites·19 claims
- 0485US8616341B2Device and method for sensing applied condition of a railroad handbrakeGREGAR PETER·Filed 2011·Granted Dec 31, 2013·6 cites·10 claims
- 0583US8672151B2Elastomeric draft gear for a railcarSPRAINIS RONALD J·Filed 2011·Granted Mar 18, 2014·9 cites·44 claims
- 0681US9834232B2Vented draining slack adjuster end capWESTINGHOUSE AIR BRAKE TECH CORP·Filed 2016·Granted Dec 5, 2017·3 cites·33 claims
- 0780US9540021B2Slack adjuster contaminant mitigation deviceWABTEC HOLDING CORP·Filed 2014·Granted Jan 10, 2017·5 cites·24 claims
- 0878US8584551B2Railroad handbrake chain tension condition sensing device and methodGREGAR PETER·Filed 2011·Granted Nov 19, 2013·6 cites·23 claims
- 0977US9562582B2Compressible elastomeric springSPRAINIS RONALD J·Filed 2011·Granted Feb 7, 2017·5 cites·10 claims
- 1076US9676401B2Slack adjuster contaminant sump, drain, and overload reliefWABTEC HOLDING CORP·Filed 2014·Granted Jun 13, 2017·3 cites·31 claims
- 1176US8556044B2Railway truck mounted brake rigging having raised connection of force-transmitting member with transfer leverMARLOW JONATHON·Filed 2010·Granted Oct 15, 2013·5 cites·10 claims
- 1271US11401991B2Slack adjuster main spring housing contaminant sumpWESTINGHOUSE AIR BRAKE TECH CORP·Filed 2021·Granted Aug 2, 2022·0 cites·20 claims
- 1369US9517753B2Manual brake release mechanism for rail vehiclesWABTEC HOLDING CORP·Filed 2014·Granted Dec 13, 2016·2 cites·19 claims
- 1465US10948038B2Slack adjuster main spring housing contaminant sumpWESTINGHOUSE AIR BRAKE TECH CORP·Filed 2019·Granted Mar 16, 2021·0 cites·12 claims
- 1556US11536337B2Slack adjuster for a brake systemWESTINGHOUSE AIR BRAKE TECH CORP·Filed 2019·Granted Dec 27, 2022·0 cites·9 claims
- 1656US10330162B2Slack adjuster main spring housing contaminant sumpWESTINGHOUSE AIR BRAKE TECH CORP·Filed 2015·Granted Jun 25, 2019·0 cites·29 claims
- 1753US9200994B2Device and method for sensing applied condition of a railroad handbrakeGREGAR PETER·Filed 2013·Granted Dec 1, 2015·0 cites·25 claims
- 1850US10059314B2Bail compensation joint for rail vehiclesWABTEC HOLDING CORP·Filed 2014·Granted Aug 28, 2018·0 cites·23 claims
- 1945US9481382B2Handbrake with a double-sided gear boxWABTEC HOLDING CORP·Filed 2014·Granted Nov 1, 2016·0 cites·17 claims
- 2039US10232865B2Truck mounted brake system for rod-under style bolstersWESTINGHOUSE AIR BRAKE TECH CORP·Filed 2016·Granted Mar 19, 2019·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →