Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9194514 | Fitting with complementary fitting materials | — | 2015-11-24 |
| 7984538 | Installation tool assembly | — | 2011-07-26 |
| 7575257 | Fitting with sequential sealing action | — | 2009-08-18 |
| 7503595 | Fitting having low volume crevice | — | 2009-03-17 |
| 7337514 | Hydraulic hand tool | — | 2008-03-04 |
| 6705741 | Suspended light source holder for a jack-o-lantern | Andrew Bonnema | 2004-03-16 |
| 6692040 | Lokring fitting having improved anti-torsion capability | Andrew Bonnema | 2004-02-17 |
| 6618919 | Remote actuation of installation tooling pump | — | 2003-09-16 |
| 6568711 | Self gapping socket weld fittings | — | 2003-05-27 |
| 6434808 | Compact installation tool | — | 2002-08-20 |
| 6364371 | Conical flange interface for railway applications | — | 2002-04-02 |
| 6189862 | Replaceable valve seat | — | 2001-02-20 |
| 5669674 | Electro-pneumatic freight brake control system | Eric G. Smith | 1997-09-23 |
| 5662391 | Pneumatic empty/load proportioning for electro-pneumatic brake | — | 1997-09-02 |
| 5586813 | Electro-pneumatic freight brake control system | Eric G. Smith | 1996-12-24 |
| 5559281 | Test connector for accessing compressed air at test ports of a railroad brake control valve | Stanley J. Pasek, David A. Porteous, Jeffrey D. Reid, Trevor A. Scott, Eric G. Smith +2 more | 1996-09-24 |
| 5466105 | Fastener assembly for installing valve devices and the like | James E. Hart | 1995-11-14 |
| 5303987 | Empty/load changeover valve for railway car | — | 1994-04-19 |
| 5269595 | Empty/load changeover valve for railway car | James E. Hart | 1993-12-14 |
| 5106168 | Empty-load changeover valve for railway car | — | 1992-04-21 |
| 5100207 | Empty/load changeover valve with a vent passage open in the empty setting | — | 1992-03-31 |
| 5076401 | Spring-applied, hydraulically released brake actuator having positive clearance slack adjuster mechanism | Cuong Manh Ta | 1991-12-31 |
| 5031731 | Brake actuator with slack adjuster disabling mechanism | — | 1991-07-16 |
| 5005915 | Empty/load changeover valve for railway car | James E. Hart | 1991-04-09 |
| 4606369 | Manually-operable fluid pressure regulating valve device | — | 1986-08-19 |