Inventor
Michael J. Rench
Inventor
Wyandotte, MI, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B61Dprimary
B61DBody details or kinds of railway vehicles69%
B60PVehicles adapted for load transportation or to transport, to carry, or to comprise special loads or objects15%
E05BLocks8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
7,278,359'Railway car for transporting semi-trucks'20077,275,488'Auto rack railway car'20076,935,245'Railway car for transporting semi-trucks'20056,289,822'Auto rack railway car'20015,829,360'Auto rack door lock'19985,765,486'Auto rack railway car'19985,657,698'Pivot plate assembly for articulated railway cars'19974,979,856'Vehicle cantilever chock block apparatus for railroad car transport of vehicles'19904,838,743'Vehicle cantilever chock block apparatus for railroad car transport of vehicles'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2001Patents assigned to THRALL CAR MFG CO (5)· patent assignee history
1989–2007Based in Wyandotte, MI, US· patent location history
1990Patents assigned to THRALL MANUFACTURING COMPANY (1)· patent assignee history
2005Patents assigned to TRN BUSINESS TRUST (1)· patent assignee history
2007Patents assigned to TRINITY IND INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| THRALL CAR MFG CO | 5 | 1989–2001 |
| TRINITY IND INC | 2 | 2007 |
| THRALL MANUFACTURING COMPANY | 1 | 1990 |
| TRN BUSINESS TRUST | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wyandotte, MI, US | 9 | 1989–2007 |