Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7896027 | Poppet valve assembly with in-line sight glass | — | 2011-03-01 |
| 6824423 | Socket assembly having removable socket for use in overfill protection systems on bottom loading fuel tank trucks | — | 2004-11-30 |
| 6679291 | Poppet valve assembly | John T. Hill | 2004-01-20 |
| 6508332 | Elevator car door locking and unlocking mechanism | Mark T. Davidson, Mark H. Bayyari, Takeshi Sugimoto | 2003-01-21 |
| 6264249 | Fluid coupling with locked sleeve | — | 2001-07-24 |
| 6068044 | Fluid coupling with locked sleeve | — | 2000-05-30 |
| 6015168 | Pivotal lock for coupling cam arms | — | 2000-01-18 |
| 5791694 | Lock for coupling cam arms | Todd W. Anderson, Christopher MOSES, Daniel M. Allen | 1998-08-11 |
| 5671777 | Couplings for joining fluid conduits | Daniel M. Allen | 1997-09-30 |
| 5535984 | Safety coupler locking means | Todd W. Anderson | 1996-07-16 |
| 5404903 | Smart vent valve for cargo tanks employed in transporting hazardous commodities | Todd W. Anderson | 1995-04-11 |
| 5381997 | Tank car venting system | Todd W. Anderson | 1995-01-17 |
| 5127428 | Poppet valve assembly and method of making same | — | 1992-07-07 |
| 5005602 | Poppet valve assembly | — | 1991-04-09 |
| 5005876 | Quick connect-disconnect couplings | — | 1991-04-09 |
| 4948094 | Outlet valves | — | 1990-08-14 |
| 4813449 | Poppet valve assembly and method of making same | — | 1989-03-21 |
| 4693268 | Poppet valve assembly and method of making same | — | 1987-09-15 |
| 4618171 | Quick connect-disconnect coupling | — | 1986-10-21 |
| 4575130 | Coupling apparatus | Eugene B. Pemberton | 1986-03-11 |
| 4259984 | Valve construction | Eugene B. Pemberton | 1981-04-07 |
| 4212315 | Shroud for pressure vacuum vent | Eugene B. Pemberton | 1980-07-15 |