RD

Roger Duffin

XI Xcad Valve & Irrigation: 10 patents #1 of 3Top 35%
📍 Paul, ID: #2 of 2 inventorsTop 100%
🗺 Idaho: #820 of 8,810 inventorsTop 10%
Overall (All Time): #265,209 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12336460 Irrigation saddle annular seal face Don Duffin 2025-06-24
12144294 Irrigation saddle, adapter, and cap Don Duffin 2024-11-19
12005464 Sprinkler with radially limited nutating spool assembly Don Duffin, Casey Nutt 2024-06-11
11896990 Nozzle assembly with rotating nozzle insert Don Duffin, Casey Nutt 2024-02-13
11534776 Sprinkler head Don Duffin 2022-12-27
11358162 Sprinkler head with damper motor Don Duffin 2022-06-14
11358160 Sprinkler braking mechanism Don Duffin 2022-06-14
11261985 Gas valve Don Duffin, Casey Nutt 2022-03-01
11213836 Nutating sprinkler head Don Duffin 2022-01-04
11154880 Nutating sprinkler head Don Duffin, Casey Nutt 2021-10-26
11048280 Pressure regulator Don Duffin 2021-06-29
11045822 Speed controlled nutating sprinkler Don Duffin, Casey Nutt 2021-06-29
11045824 Nozzle assembly with rotating nozzle insert Don Duffin, Casey Nutt 2021-06-29
10857551 Sprinkler with radially limited nutating spool Don Duffin, Casey Nutt 2020-12-08
10429859 Pressure regulator Don Duffin 2019-10-01
10201818 Rudder directed tube delivery sprinkler head Don Duffin 2019-02-12
9457363 Nutating sprinkler head Don Duffin 2016-10-04