Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 10533695 | Guide for a pipeline pig | Scott Walter | 2020-01-14 | |
| 9987771 | Method of manufacture of an elastomeric seal | — | 2018-06-05 | |
| 7784551 | Tubular handling device | Per Angman, Bruno Walter | 2010-08-31 | $1,756,000 |
| 6129118 | Downstream plug | Jaromir Friedrich, Donald D. Savard | 2000-10-10 | |
| 6041811 | Plug for forming an ice barrier in a pipeline | Donald D. Savard, Jaromir Friedrich | 2000-03-28 | |
| 5692544 | Seal and clamp assembly for pipeline flanged connection | Jaromir Friedrich | 1997-12-02 |