Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11708932 | Pipe lining preparation assembly | Ron Bartel, Steve Bartel | 2023-07-25 |
| 11378219 | Pipe lining preparation assembly | Ron Bartel, Steve Bartel | 2022-07-05 |
| 9964250 | Method of inspecting and preparing a pipeline | Kim Lewis, Jeff Lewis | 2018-05-08 |
| 9273945 | Inspection device for measuring pipe size | Jeff Lewis, Ron Bartel, Steve Bartel | 2016-03-01 |
| 9261219 | Method of installing and curing a liner in a sewer pipe | — | 2016-02-16 |
| 9023160 | Lateral liner launcher device and method of installation | John Bartel, Ron Bartel | 2015-05-05 |
| 8316892 | Lateral liner with seal | — | 2012-11-27 |
| 6827526 | Method and device for lining a sewer pipe | — | 2004-12-07 |
| 6695013 | Method and device for lining a lateral sewer pipe | — | 2004-02-24 |
| 6484757 | Method and device for lining a lateral sewer pipe | — | 2002-11-26 |