Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11666929 | Rotary full circle nozzles and deflectors | Steven D. Geerligs, Lee James Shadbolt | 2023-06-06 |
| 11660621 | Reduced precipitation rate nozzle | John James Wlassich, Lee James Shadbolt, David Eugene Robertson | 2023-05-30 |
| 11511289 | Rotary full circle nozzles and deflectors | Steven D. Geerligs, Lee James Shadbolt | 2022-11-29 |
| 11277973 | Cycle and soak irrigation systems and methods | Randy R. Montgomery, John E. Price, Chong Wang Kwak, David C. Belongia | 2022-03-22 |
| 11247219 | Reduced precipitation rate nozzle | John James Wlassich, Lee James Shadbolt, David Eugene Robertson | 2022-02-15 |
| 11154877 | Rotary strip nozzles | David C. Belongia, Jason Addink, Andrew P. Miller | 2021-10-26 |
| 11154881 | Rotary nozzle | Lee James Shadbolt, David Eugene Robertson | 2021-10-26 |
| 10462977 | Cycle and soak irrigation systems and methods | Randy R. Montgomery, John E. Price, Chong Wang Kwak, David C. Belongia | 2019-11-05 |
| 10322423 | Rotary nozzle | Lee James Shadbolt, David Eugene Robertson | 2019-06-18 |
| 9539674 | Clog resistant valve port and methods relating to same | — | 2017-01-10 |
| 9440250 | Pop-up irrigation device for use with low-pressure irrigation systems | Donald B. Clark, Rowshan Jahan | 2016-09-13 |
| 9327297 | Rotary nozzle | — | 2016-05-03 |
| 9314952 | Irrigation spray nozzle and mold assembly and method of forming nozzle | Vahik Nazaryan | 2016-04-19 |
| 9295998 | Rotary nozzle | Lee James Shadbolt, John Brennan | 2016-03-29 |
| 9174227 | Irrigation sprinkler nozzle | David Eugene Robertson | 2015-11-03 |
| 9156043 | Arc adjustable rotary sprinkler with automatic matched precipitation | — | 2015-10-13 |
| 9138768 | Pop-up irrigation device for use with low-pressure irrigation systems | Rowshan Jahan, Donald B. Clark | 2015-09-22 |
| 9079202 | Rotary variable arc nozzle | John Brennan, Alberto Carrillo Maloof | 2015-07-14 |
| 8925837 | Sprinkler with variable arc and flow rate and method | Steven Brian Hunnicutt | 2015-01-06 |
| 8789768 | Sprinkler with variable arc and flow rate | Steven Brian Hunnicutt, Rowshan Jahan | 2014-07-29 |
| 8740177 | Eccentric diaphragm valve | — | 2014-06-03 |
| 8672242 | Sprinkler with variable arc and flow rate and method | Steven Brian Hunnicutt | 2014-03-18 |
| 8651400 | Variable arc nozzle | Steven D. Geerligs | 2014-02-18 |
| 8567696 | Nozzle body for use with irrigation devices | Donald B. Clark, Rowshan Jahan | 2013-10-29 |
| 8272583 | Sprinkler with variable arc and flow rate and method | Steven Brian Hunnicutt | 2012-09-25 |