Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4896812 | Double downhill pipe welder | — | 1990-01-30 |
| 4857690 | Cassette welding head apparatus | — | 1989-08-15 |
| 4810848 | Tube welder | — | 1989-03-07 |
| D297144 | Welding head track | — | 1988-08-09 |
| 4726300 | Adjustable spring-biased track assembly for mounting a welding head assembly on a pipe | — | 1988-02-23 |
| 4703698 | Track mounted welding head base having cam pivoted drive assembly | — | 1987-11-03 |
| 4649250 | Pipe welder | — | 1987-03-10 |
| 4556774 | Welding apparatus for welding tubes to the back face of a tube sheet | — | 1985-12-03 |
| 4554429 | Cylindrical tube welding assembly | — | 1985-11-19 |
| 4538046 | Precise positioning for a welding electrode which follows a three dimensional weld path | — | 1985-08-27 |
| 4476367 | Front face tube to tube sheet welding apparatus | — | 1984-10-09 |
| 4427868 | Mounting fixture for an automatic welding apparatus | — | 1984-01-24 |
| 4408112 | Welding insert ring and method of welding therefor | — | 1983-10-04 |
| 4379963 | Welding apparatus designed particularly for use within a confined area | — | 1983-04-12 |
| 4373125 | Apparatus for welding pipes | — | 1983-02-08 |
| 4365132 | Welding apparatus for polygonal cross-sectioned tubing | Vytautas J. Jusionis, Max M. Westerberg, John W. Meacham | 1982-12-21 |