Inventor
Douglas M. Hanes
Inventor
Pittsburgh, PA, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B61Gprimary
B61GCouplings63%
Y10TTechnical subjects covered by former us classification16%
A47BTables11%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form11%
PatentTitleYear
6,866,913'Protection system'20056,586,071'Protection system'20035,890,608'Drawbar assembly draft load bearing insert'19995,520,294'Support housing for a rotary end of a slackless drawbar'19965,427,257'Drawbar assembly yoke casting'19955,415,304'Yoke casting for a drawbar assembly'19955,397,007'Railway car slackless drawbar assembly'19955,394,998'Front draft stop for use in a drawbar assembly'19955,361,917'Drawbar bearing block'19945,339,970'Slackless drawbar assembly employing adjustable blockout apparatus'19945,320,229'Yoke for coupling railway cars utilizing a drawbar assembly'19945,221,015'Yoke for coupling railway cars utilizing a drawbar assembly'19935,190,173'Adjustable blockout apparatus'19935,172,818'Adjustable securing device'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1999Patents assigned to MCCONWAY & TORLEY CORP (12)· patent assignee history
1992–1999Based in Pittsburgh, PA, US· patent location history
2003–2005Based in Eagan, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MCCONWAY & TORLEY CORP | 12 | 1992–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pittsburgh, Pennsylvania, US | 12 | 1992–1999 |
| Eagan, Minnesota, US | 2 | 2003–2005 |