| 12103571 |
Longitudinal door operating mechanism |
— |
2024-10-01 |
| 11505220 |
Automatic hatch cover for a container and methods of operation thereof |
— |
2022-11-22 |
| 10668933 |
Actuating system for transverse doors of railroad hopper car |
— |
2020-06-02 |
| 10540905 |
Systems, aircrafts and methods for drone detection and collision avoidance |
Scott Bohanan, Jim Jordan, Matthew Winslow, Amy Mayo, John Marchetti |
2020-01-21 |
| 10029706 |
Method for actuating discharge doors of railroad hopper cars |
— |
2018-07-24 |
| 9914464 |
Railroad hopper car with bottom discharge doors having angled seals and actuating assemblies |
— |
2018-03-13 |
| 7523708 |
Railroad hopper car transverse door actuating mechanism |
— |
2009-04-28 |
| 7389732 |
Mechanism for selectively operating hopper doors of a railroad car |
— |
2008-06-24 |
| 7367272 |
Door position indicating mechanism for a railcar |
— |
2008-05-06 |
| 7080599 |
Railroad hopper car transverse door actuating mechanism |
— |
2006-07-25 |
| 6955126 |
Railroad hopper car longitudinal door actuating mechanism |
— |
2005-10-18 |
| 6955127 |
Manual railroad hopper car door actuating mechanism |
— |
2005-10-18 |
| 6405658 |
Manual discharge door operating system for a hopper railcar |
— |
2002-06-18 |
| 6227123 |
Railroad car pick-up shoe |
David A. Lohr, William E. Kurtz, Robert Dorian |
2001-05-08 |
| 5249531 |
Railraod hopper car door actuating mechanism |
— |
1993-10-05 |
| 4720809 |
Hybrid floating point/logarithmic number system arithmetic processor |
— |
1988-01-19 |
| 4628825 |
Sliding gate actuating mechanism |
William I. Donnermeyer, Jr. |
1986-12-16 |