Inventor
Peter Paul Gregar
Inventor
Chesterton, IN, US
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B61Hprimary
B61HBrakes or other retarding devices specially adapted for rail vehicles36%
F16DCouplings for transmitting rotation18%
Y10TTechnical subjects covered by former us classification18%
B60TVehicle brake control systems or parts thereof5%
B61GCouplings5%
F16CShafts5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles3%
F16FSprings3%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure3%
PatentTitleYear
10,948,038Slack adjuster main spring housing contaminant sump202110,562,550Slack adjuster for a brake system with increased take-up capacity202010,330,162Slack adjuster main spring housing contaminant sump201910,232,865Truck mounted brake system for rod-under style bolsters201910,059,314Bail compensation joint for rail vehicles20189,834,232Vented draining slack adjuster end cap20179,676,401'Slack adjuster contaminant sump, drain, and overload relief'20179,562,582'Compressible elastomeric spring'20179,540,021'Slack adjuster contaminant mitigation device'20179,517,753'Manual brake release mechanism for rail vehicles'20169,481,382'Handbrake with a double-sided gear box'20169,200,994'Device and method for sensing applied condition of a railroad handbrake'20158,869,954'Lubricating insert for railroad brake head assembly'20148,672,151'Elastomeric draft gear for a railcar'20148,616,341'Device and method for sensing applied condition of a railroad handbrake'20138,584,551'Railroad handbrake chain tension condition sensing device and method'20138,556,044'Railway truck mounted brake rigging having raised connection of force-transmitting member with transfer lever'20137,802,524'Constant contact side bearing assembly with improved cap machining for a railcar'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2018Patents assigned to WABTEC HOLDING CORP (11)· patent assignee history
2010–2018Based in Chesterton, IN, US· patent location history
2013–2017Patents assigned to GREGAR PETER (7)· patent assignee history
2013–2014Patents assigned to MARLOW JONATHON (3)· patent assignee history
2013Based in Hobart, IN, US· patent location history
2014–2017Patents assigned to SPRAINIS RONALD J (2)· patent assignee history
2017–2021Patents assigned to WESTINGHOUSE AIR BRAKE TECH CORP (5)· patent assignee history
2017–2021Based in Greenville, SC, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WABTEC HOLDING CORP | 11 | 2010–2018 |
| GREGAR PETERself | 7 | 2013–2017 |
| WESTINGHOUSE AIR BRAKE TECH CORP | 5 | 2017–2021 |
| MARLOW JONATHON | 3 | 2013–2014 |
| SPRAINIS RONALD J | 2 | 2014–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chesterton, IN, US | 12 | 2010–2018 |
| Greenville, SC, US | 5 | 2017–2021 |
| Hobart, IN, US | 1 | 2013 |