Inventor · disambiguated record
Michael J. Duwell
Also filed as: DUWELL MICHAEL J
10 granted patents·464 citations·filing 1979–2019
90Inventor score
Top patents by PatentIndex Score
10 records- 0198US4751754ADual hydraulic hospital bed with emergency bypass circuitHILL ROM CO INC·Filed 1987·Granted Jun 21, 1988·272 cites·4 claims
- 0293USD278790SPush block for use in guiding work pieces during cutting operationsSHOPSMITH INC·Filed 1982·Granted May 14, 1985·36 cites·1 claims
- 0390US4926457ARadiolucent hospital bed surfaceHILL ROM CO INC·Filed 1988·Granted May 15, 1990·113 cites·36 claims
- 0482US10182662B2Adjustable comfort mattress system and processesDREAMWELL LTD·Filed 2016·Granted Jan 22, 2019·5 cites·41 claims
- 0564US4265584ASystem for opening and emptying containersHEARTLAND CHEMICALS·Filed 1979·Granted May 5, 1981·19 cites·13 claims
- 0663USD276616SPlanerSHOPSMITH INC·Filed 1982·Granted Dec 4, 1984·8 cites·1 claims
- 0762USD282816SAir carbon-arc cutting and gouging torchARCAIR CO·Filed 1983·Granted Mar 4, 1986·8 cites·1 claims
- 0856US10517407B2Adjustable comfort mattress system and processesDREAMWELL LTD·Filed 2019·Granted Dec 31, 2019·0 cites·18 claims
- 0938USD286538SSupport frame for a power toolSHOPSMITH INC·Filed 1983·Granted Nov 4, 1986·2 cites·1 claims
- 1033USD281431SHeadstock for a multipurpose woodworking toolSHOPSMITH INC·Filed 1983·Granted Nov 19, 1985·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →