Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7303295 | Rear view mirror assembly and system | — | 2007-12-04 |
| 4854611 | Fail-safe bellows assembly | — | 1989-08-08 |
| 4819965 | Fail-safe bellows assembly with floating guard | Helm A. Rink | 1989-04-11 |
| 4681349 | Plastic lined welded metal component and method of manufacture | John Krieg | 1987-07-21 |
| 4643457 | Joint for plastic lined metal piping with reduced diameter pipe lap | — | 1987-02-17 |
| 4548427 | Strain accommodating fluid conduit assembly and fitting therefor | Charles S. Lane | 1985-10-22 |
| 4537425 | High integrity flange connection arrangement | Harvey R. Nickerson, Helm A. Rink | 1985-08-27 |
| 4522432 | Components for lined piping system with anchored liners and method of manufacture | — | 1985-06-11 |
| 4494776 | Joint for plastic lined light-weight metal piping | — | 1985-01-22 |
| 4296804 | Corrosion resistant heat exchanger element and method of manufacture | Harvey R. Nickerson, Helm A. Rink | 1981-10-27 |
| 4293150 | Fluid conduit assembly | — | 1981-10-06 |
| 4289340 | Mechanically attached end fitting with insert for metal tubing | Harvey R. Nickerson | 1981-09-15 |
| 4288105 | Pipe union with both pre-load dependent and independent seals | — | 1981-09-08 |
| 4193180 | Method of forming a heat exchanger | — | 1980-03-18 |