PG

Peter Paul Gregar

WH Wabtec Holding: 12 patents #6 of 164Top 4%
WB Westinghouse Air Brake: 7 patents #19 of 284Top 7%
ST Standard Car Truck: 1 patents #20 of 41Top 50%
Overall (All Time): #220,650 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11536337 Slack adjuster for a brake system Michael Koziol, Scott Natschke 2022-12-27
11401991 Slack adjuster main spring housing contaminant sump Shaun T. Whalen, Scott Natschke 2022-08-02
10948038 Slack adjuster main spring housing contaminant sump Shaun T. Whalen, Scott Natschke 2021-03-16
10562550 Slack adjuster for a brake system with increased take-up capacity Michael Koziol, Scott Natschke 2020-02-18
10330162 Slack adjuster main spring housing contaminant sump Shaun T. Whalen, Scott Natschke 2019-06-25
10232865 Truck mounted brake system for rod-under style bolsters Richard Wayne Plegge, Michael Koziol 2019-03-19
10059314 Bail compensation joint for rail vehicles Michael Koziol, Richard Wayne Plegge 2018-08-28
9834232 Vented draining slack adjuster end cap Shaun T. Whalen, Scott Natschke 2017-12-05
9676401 Slack adjuster contaminant sump, drain, and overload relief Shaun T. Whalen, Scott Natschke 2017-06-13
9562582 Compressible elastomeric spring Ronald J. Sprainis 2017-02-07
9540021 Slack adjuster contaminant mitigation device Shaun T. Whalen, Scott Natschke, Wajih Kanjo, Michael Koziol 2017-01-10
9517753 Manual brake release mechanism for rail vehicles Michael Koziol, Richard Wayne Plegge 2016-12-13
9481382 Handbrake with a double-sided gear box Richard Wayne Plegge, Scott Natschke 2016-11-01
9200994 Device and method for sensing applied condition of a railroad handbrake 2015-12-01
8869954 Lubricating insert for railroad brake head assembly Jonathon Marlow 2014-10-28
8672151 Elastomeric draft gear for a railcar Ronald J. Sprainis, John M. Sprainis 2014-03-18
8616341 Device and method for sensing applied condition of a railroad handbrake 2013-12-31
8584551 Railroad handbrake chain tension condition sensing device and method Jonathon Marlow 2013-11-19
8556044 Railway truck mounted brake rigging having raised connection of force-transmitting member with transfer lever Jonathon Marlow 2013-10-15
7802524 Constant contact side bearing assembly with improved cap machining for a railcar 2010-09-28