Duffin; Roger
Patent Applications and Registrations
Patent applications and USPTO patent grants for Duffin; Roger.The latest application filed is for "nozzle assembly with rotating nozzle insert".
- Duffin; Roger - Paul ID US
| Patent | Date |
|---|---|
| Sprinkler head with damper motor Grant 11,358,162 - Duffin , et al. June 14, 2 | 2022-06-14 |
| Nozzle Assembly With Rotating Nozzle Insert App 20220097085 - Duffin; Don ; et al. | 2022-03-31 |
| Gas valve Grant 11,261,985 - Duffin , et al. March 1, 2 | 2022-03-01 |
| Nutating sprinkler head Grant 11,154,880 - Duffin , et al. October 26, 2 | 2021-10-26 |
| Sprinkler With Radially Limited Nutating Spool Assembly App 20210276026 - DUFFIN; DON ; et al. | 2021-09-09 |
| Speed controlled nutating sprinkler Grant 11,045,822 - Duffin , et al. June 29, 2 | 2021-06-29 |
| Pressure regulator Grant 11,048,280 - Duffin , et al. June 29, 2 | 2021-06-29 |
| Nozzle assembly with rotating nozzle insert Grant 11,045,824 - Duffin , et al. June 29, 2 | 2021-06-29 |
| Nutating Sprinkler Head App 20210187524 - DUFFIN; DON ; et al. | 2021-06-24 |
| Sprinkler with radially limited nutating spool Grant 10,857,551 - Duffin , et al. December 8, 2 | 2020-12-08 |
| Speed Controlled Nutating Sprinkler App 20200222922 - DUFFIN; DON ; et al. | 2020-07-16 |
| Sprinkler Head App 20190336991 - DUFFIN; DON ; et al. | 2019-11-07 |
| Irrigation Valve App 20190338862 - Duffin; Don ; et al. | 2019-11-07 |
| Sprinkler Head With Damper Motor App 20190336994 - DUFFIN; DON ; et al. | 2019-11-07 |
| Pressure regulator Grant 10,429,859 - Duffin , et al. O | 2019-10-01 |
| Pressure Regulator App 20190278307 - DUFFIN; DON ; et al. | 2019-09-12 |
| Pressure Regulator App 20190163210 - DUFFIN; DON ; et al. | 2019-05-30 |
| Sprinkler Apparatus App 20190134657 - DUFFIN; DON ; et al. | 2019-05-09 |
| Nutating sprinkler head Grant 9,457,363 - Duffin , et al. October 4, 2 | 2016-10-04 |
| Nutating Sprinkler Head App 20140312143 - Duffin; Don ; et al. | 2014-10-23 |
| Saw blade Grant D534,401 - Duffin , et al. January 2, 2 | 2007-01-02 |
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