loadpatents
Patent applications and USPTO patent grants for Ziese; Lowell B..The latest application filed is for "devices and systems for controlling travel of a railcar".
Patent | Date |
---|---|
Devices and systems for controlling travel of a railcar Grant 8,485,107 - Heyden , et al. July 16, 2 | 2013-07-16 |
Devices and Systems for Controlling Travel of a Railcar App 20120055368 - Heyden; Thomas J. ;   et al. | 2012-03-08 |
Devices and systems for controlling travel of a railcar Grant 8,079,309 - Heyden , et al. December 20, 2 | 2011-12-20 |
Devices and Systems for Controlling Travel of a Railcar App 20100083865 - Heyden; Thomas J. ;   et al. | 2010-04-08 |
Pneumatic Retarder Actuator Valve App 20080237511 - Heyden; Thomas J. ;   et al. | 2008-10-02 |
Pneumatic retarder acutator valve Grant 7,325,567 - Heyden , et al. February 5, 2 | 2008-02-05 |
Hydraulic control and operation system for a railroad car retarder Grant 7,140,698 - Braatz , et al. November 28, 2 | 2006-11-28 |
Hydraulic control and operation system for a railroad car retarder App 20050035243 - Braatz, James D. ;   et al. | 2005-02-17 |
Electro-pneumatic retarder control App 20050005811 - Heyden, Thomas J. ;   et al. | 2005-01-13 |
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