Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9366346 | Valve having at least one hourglass studs for coupling to diaphragm and compressor/spindle components | Louis E. Matalon | 2016-06-14 |
| 9322482 | Temperature compensating flanged joint for a teflon diaphragm valve | Louis E. Matalon | 2016-04-26 |
| 6305298 | Light weight draft sill | Horst T. Kaufhold, Douglas L. Compton, Brian A. Toussaint, Jeffery R. Ladendorf | 2001-10-23 |
| 6241213 | Diaphragm valve | — | 2001-06-05 |
| 6192912 | Low profile pneumatically activated valve assembly | Wayne R. Houck, Edwin R. Tipton, John R. Lehman, Bruce Rowits | 2001-02-27 |
| 6079441 | Adjustable electronic position indicator apparatus | Roy D. Miller, Wayne R. Houck, John R. Lehman | 2000-06-27 |
| 5931101 | Light weight draft sill | Horst T. Kaufhold, Douglas L. Compton, Brian A. Toussaint | 1999-08-03 |
| 5649567 | Sealing arrangement, for use with, and in combination with, a steam and fuel oil control and furge valve, and a valve seat therefor | Wayne R. Houck, John R. Lehman, Roy D. Miller | 1997-07-22 |
| 5312007 | Slackless railway coupler with draft/buff gear | Horst T. Kaufhold, John J. Steffen, David John Jarvis, David Greg Anderson | 1994-05-17 |
| 5277401 | Tank bottom diaphragm valve | Richard Dolan Randall, Wayne R. Houck | 1994-01-11 |
| 5078624 | Digital signal cross-connect module | Dennis M. Burroughs, Edward F. Sansone, Steven P. Trebesch, Daniel Rivera, Glenn N. Thorgrimson | 1992-01-07 |
| 4683906 | Trunnion type ball valve | John R. Lehman, Douglas Stuart Gray, Wayne R. Houck | 1987-08-04 |
| 4469016 | Spring safety device | John R. Lehman | 1984-09-04 |