Inventor
David C. Brabb
Inventor
Chicago, IL, US
Overview
Patents· 11 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 vehicles39%
Y10TTechnical subjects covered by former us classification22%
B60TVehicle brake control systems or parts thereof17%
B61GCouplings11%
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles6%
G05GControl devices or systems insofar as characterised by mechanical features only6%
PatentTitleYear
9,187,066'Electrically driven set and release hand brake for rail cars'20158,839,915'Railway freight car hand brake sensor'20147,624,687'Truck apparatus for railway cars'20097,562,781'Automatic cut lever apparatus'20097,497,345'Apparatus for railway freight car coupler knuckle'20097,011,190'Hand brake assembly for an ankle motion III truck bogie'20066,619,452'Housing for a hand brake mechanism'20036,540,049'Gradual release mechanism for a railway car hand brake'20036,474,450'Mechanical sensor for a quick release hand brake'20026,298,749'Jointed hand brake release handle'20016,279,696'Suspension system for a truck mounted brake assembly'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2006Patents assigned to WESTINGHOUSE AIR BRAKE TECH CORP (5)· patent assignee history
2001–2014Based in Chicago, IL, US· patent location history
2001Based in Clarendon Hills, IL, US· patent location history
2009–2015Patents assigned to SHARMA & ASSOCIATES INC (4)· patent assignee history
2009–2015Patents assigned to BRABB DAVID C (3)· patent assignee history
2009–2015Patents assigned to VITHANI ANAND R (3)· patent assignee history
2015Patents assigned to BOOTH GRAYDON (1)· patent assignee history
2015Based in Westmont, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WESTINGHOUSE AIR BRAKE TECH CORP | 5 | 2001–2006 |
| SHARMA & ASSOCIATES INC | 4 | 2009–2015 |
| BRABB DAVID Cself | 3 | 2009–2015 |
| VITHANI ANAND R | 3 | 2009–2015 |
| BOOTH GRAYDON | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chicago, Illinois, US | 9 | 2001–2014 |
| Westmont, Illinois, US | 1 | 2015 |
| Clarendon Hills, Illinois, US | 1 | 2001 |