Inventor · disambiguated record
Robin Middlemass Howie
Also filed as: HOWIE ROBIN M · HOWIE ROBIN MIDDLEMASS
4 granted patents·2 pending applications·62 citations·filing 1988–2016
73Inventor score
Top patents by PatentIndex Score
6 records- 0167US4852562AHelmetCOAL INDUSTRY PATENTS LTD·Filed 1988·Granted Aug 1, 1989·41 cites·6 claims
- 0255US8544469B2Low profile filter respiratorHOWIE ROBIN MIDDLEMASS·Filed 2008·Granted Oct 1, 2013·1 cites·4 claims
- 0349US2016220853A1Compact Respiratory Protective DeviceWOOD WILLIAM DUNCAN·Filed 2016·Application pending·0 cites
- 0446US2012298103A1Compact respiratory protective deviceWOOD WILLIAM DUNCAN·Filed 2011·Application pending·0 cites
- 0539US10080913B2Filter box assembly and filter unitHOWIE ROBIN MIDDLEMASS·Filed 2012·Granted Sep 25, 2018·0 cites·12 claims
- 0639US4876746AEnvironmental protective garmentCOAL INDUSTRY PATENTS LTD·Filed 1988·Granted Oct 31, 1989·20 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →