Individual holder
DUFFIN DON D
US·4 granted patents·13 citations·filing 2016–2019
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0192US10201818B2Rudder directed tube delivery sprinkler headDUFFIN DON D·Filed 2016·Granted Feb 12, 2019·10 cites·12 claims
- 0276US11213836B2Nutating sprinkler headDUFFIN DON D·Filed 2019·Granted Jan 4, 2022·2 cites·5 claims
- 0371US12144294B2Irrigation saddle, adapter, and capDUFFIN DON D·Filed 2018·Granted Nov 19, 2024·1 cites·4 claims
- 0456US11358160B2Sprinkler braking mechanismDUFFIN DON D·Filed 2019·Granted Jun 14, 2022·0 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when DUFFIN DON D files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →