Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11946574 | Double band clamp assembly for no hub coupling | — | 2024-04-02 |
| 11879573 | Pipe connector systems, devices and methods | — | 2024-01-23 |
| 11643819 | Roof drain cover | — | 2023-05-09 |
| 11286670 | Roof drain cover | — | 2022-03-29 |
| 11118340 | Method of leveling an adjustable floor drain apparatus | — | 2021-09-14 |
| 11073233 | Pipe connector systems, devices and methods | — | 2021-07-27 |
| 11054035 | Pipe connector systems, devices and methods | — | 2021-07-06 |
| 10711463 | Roof drain cover | — | 2020-07-14 |
| 10557578 | Pipe connector systems, devices and methods | — | 2020-02-11 |
| 10519666 | Roof drain cover | — | 2019-12-31 |
| 10378196 | Drain and drain leveling mechanism | — | 2019-08-13 |
| 10370841 | Drain and drain leveling mechanism | — | 2019-08-06 |
| 10370840 | Drain and drain leveling mechanism | — | 2019-08-06 |
| 10253885 | Pipe connector systems, devices and methods | — | 2019-04-09 |
| D832406 | Cover for a drain | — | 2018-10-30 |
| 10100956 | Pipe connector systems, devices and methods | — | 2018-10-16 |
| D816812 | Cover for a drain | — | 2018-05-01 |
| 9945125 | Roof drain cover | — | 2018-04-17 |
| D803992 | Cover for a drain | — | 2017-11-28 |
| 9315138 | Hydraulic tail trailer | Dale J. Dierks, Brent Hohman, Brandon Bjerrum | 2016-04-19 |
| 7467777 | Devices for securing reinforcing bars within forms for concrete | Terry Hartman | 2008-12-23 |
| 7290750 | Concrete forming apparatus for foundation pier blocks and a method for constructing pier blocks | Terry Hartman | 2007-11-06 |
| 7243897 | Foundation footing form and accessories | Terry Hartman | 2007-07-17 |
| 6719004 | Check valve floor drain | Allen I. Stakset | 2004-04-13 |
| 6318397 | Side port floor drain | Allen I. Stakset | 2001-11-20 |