Inventor · disambiguated record
William Michael Duff
Also filed as: DUFF WILLIAM MICHAEL
3 granted patents·0 citations·filing 2019–2020
43Inventor score
Files withGLOBALFORCE IP LTD3
Top patents by PatentIndex Score
3 records- 0158US12434366B2Trigger valves for pressurized fluid operated devicesGLOBALFORCE IP LTD·Filed 2020·Granted Oct 7, 2025·0 cites·19 claims
- 0257US12365070B2Exhaust valves for pressurised fluid operated devicesGLOBALFORCE IP LTD·Filed 2020·Granted Jul 22, 2025·0 cites·20 claims
- 0340US12222040B2Sliding spool valves, and methods thereforGLOBALFORCE IP LTD·Filed 2019·Granted Feb 11, 2025·0 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →