Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11933408 | Multi-function pressure regulation valve | Craig B. Nelson | 2024-03-19 |
| 11511290 | Flow control device with drain check | — | 2022-11-29 |
| D966123 | Pressure regulator | — | 2022-10-11 |
| 11408515 | Pressure regulator having an oblique valve seat | Craig B. Nelson | 2022-08-09 |
| 11376621 | Sprinkler assembly having coiled weight | Sean M. Scott, Craig B. Nelson | 2022-07-05 |
| 11126208 | Multi-function pressure regulation valve | Craig B. Nelson | 2021-09-21 |
| 11085568 | Center pivot irrigation gooseneck with varying cross-sectional diameters | Craig B. Nelson, Reid A. Nelson, Chad D. Leinweber, Michael Townsend | 2021-08-10 |
| 10969804 | Pressure regulator having single strut seat with strut coaxial to plunger | Craig B. Nelson | 2021-04-06 |
| 10906052 | Drain check in pressure regulator | — | 2021-02-02 |
| 10416689 | Pressure regulator having single strut seat with strut coaxial to plunger | Craig B. Nelson | 2019-09-17 |
| 9995352 | Viscous rotational speed control device | Lee A. Perkins, George L. Sesser, Craig B. Nelson | 2018-06-12 |
| 9971361 | Pressure regulator having single strut seat with strut coaxial to plunger | Craig B. Nelson | 2018-05-15 |
| 9657790 | Viscous rotational speed control device | George L. Sesser, Lee A. Perkins, Craig B. Nelson | 2017-05-23 |
| 9587687 | Viscous rotational speed control device | George L. Sesser, Lee A. Perkins, Craig B. Nelson | 2017-03-07 |
| D764334 | Pressure regulator | — | 2016-08-23 |
| 9367070 | Pressure regulator having single strut seat with strut coaxial to plunger | Craig B. Nelson | 2016-06-14 |
| D758544 | Pressure regulator | — | 2016-06-07 |
| D758543 | Pressure regulator | — | 2016-06-07 |
| 8905326 | High-volume, part-circle sprinkler head | Craig M. Nelson, Chad D. Leinweber | 2014-12-09 |