Galvan; Guadalupe L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Galvan; Guadalupe L..The latest application filed is for "railroad hopper car door operating mechanism".
- Galvan; Guadalupe L. - DeKalb IL US
| Patent | Date |
|---|---|
| Railroad hopper car door operating mechanism Grant 9,751,536 - Galvan , et al. September 5, 2 | 2017-09-05 |
| Railroad Hopper Car Door Operating Mechanism App 20160311445 - GALVAN; Guadalupe L. ; et al. | 2016-10-27 |
| Apparatus for controlling discharge of material from a railroad hopper car Grant 8,485,110 - Gaydos , et al. July 16, 2 | 2013-07-16 |
| Apparatus for controlling discharge of material from a railroad hopper car App 20120210906 - Gaydos; Christopher C. ; et al. | 2012-08-23 |
| Railcar door control apparatus Grant 7,654,205 - Galvan February 2, 2 | 2010-02-02 |
| Railcar door control apparatus App 20090078151 - Galvan; Guadalupe L. | 2009-03-26 |
| Railcar door control apparatus Grant 7,493,865 - Galvan February 24, 2 | 2009-02-24 |
| Railcar door control apparatus App 20070245923 - Galvan; Guadalupe L. | 2007-10-25 |
| Apparatus for controlling operation of railroad hopper car discharge doors Grant 6,604,469 - Galvan , et al. August 12, 2 | 2003-08-12 |
| Railroad hopper car door assembly Grant 6,279,487 - Gaydos , et al. August 28, 2 | 2001-08-28 |
| Locking mechanism for a hinged railroad hopper car door Grant 6,227,124 - Gaydos , et al. May 8, 2 | 2001-05-08 |
| Railroad hopper car door assembly Grant 6,019,049 - Gaydos , et al. February 1, 2 | 2000-02-01 |
| Unit for actuating gates of a hopper railroad car Grant 5,163,372 - Galvan , et al. November 17, 1 | 1992-11-17 |
| Sliding gate structure with dual linkage per single actuator arrangement Grant 5,086,709 - Fischer , et al. February 11, 1 | 1992-02-11 |
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