Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10807143 | Tooling for forming nacelle components | Thomas Edward Sommer | 2020-10-20 |
| 6170884 | Pipe coupling for plain ended pipe and for plain ended pipe attached to grooved pipe | Dennis R. Brown, Douglas R. Dole | 2001-01-09 |
| 5911446 | Pipe coupling for plain ended pipe | Dennis R. Brown | 1999-06-15 |
| 5284182 | Wiper for a rotary disk valve | — | 1994-02-08 |
| 5269492 | Actuator for a rotary valve | — | 1993-12-14 |
| 5169177 | Quick connect branch connector | Robert Rung, Douglas R. Dole | 1992-12-08 |
| 5165657 | Actuator for a rotary valve | — | 1992-11-24 |
| 5095946 | Dry-break pipe coupling | — | 1992-03-17 |
| 5018548 | Segmented coupling for pipes | — | 1991-05-28 |
| 5018704 | Pipe coupling with in-coupling flow controller | — | 1991-05-28 |
| 4702501 | Retaining collar for an elastomeric seal | — | 1987-10-27 |
| 4699217 | Direct connect plumbing fixture | Albert J. Piccotti, Robert Rung | 1987-10-13 |
| D288116 | Yoke for a sprinkler | Robert Rung | 1987-02-03 |
| D287992 | Yoke for a sprinkler | Robert Rung | 1987-01-27 |
| 4561472 | Sliding blade closure apparatus with inflatable sealing ring | Paul L. Dreyer | 1985-12-31 |
| 4474205 | Sliding blade apparatus for closing conduits | Paul L. Dreyer, Kenneth I. Conley | 1984-10-02 |