Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12036587 | Pig pumping unit | — | 2024-07-16 |
| 11596987 | Pig pumping unit | — | 2023-03-07 |
| 11154917 | Pig pumping unit | — | 2021-10-26 |
| 10895341 | Pipe pig | — | 2021-01-19 |
| 10060569 | Pipe pig | — | 2018-08-28 |
| 9573173 | Pig pumping unit and method | — | 2017-02-21 |
| 9296025 | Pig pumping unit | — | 2016-03-29 |
| 6569255 | Pig and method for cleaning tubes | — | 2003-05-27 |
| 6391121 | Method of cleaning a heater | — | 2002-05-21 |
| 6359645 | Pipe inspection device and method | — | 2002-03-19 |
| 6170493 | Method of cleaning a heater | — | 2001-01-09 |
| 5685041 | Pipe pig with abrasive exterior | — | 1997-11-11 |
| 5379475 | Scraper for a pipe pig | — | 1995-01-10 |
| 5358573 | Method of cleaning a pipe with a cylindrical pipe pig having pins in the central portion | — | 1994-10-25 |
| 5318074 | Plug for a furnace header | — | 1994-06-07 |
| 5265302 | Pipeline pig | — | 1993-11-30 |
| 5150493 | Pipeline pig | — | 1992-09-29 |