Inventor · disambiguated record
William W. Derrick
Also filed as: DERRICK WILLIAM W
5 granted patents·537 citations·filing 1988–1997
88Inventor score
Files withDERRICK MFG CORP5
Top patents by PatentIndex Score
5 records- 0198US5417858AScreen assembly for vibrating screening machineDERRICK MFG CORP·Filed 1993·Granted May 23, 1995·137 cites·32 claims
- 0295US5944993AScreen assembly for vibrating screening machineDERRICK MFG CORP·Filed 1997·Granted Aug 31, 1999·92 cites·48 claims
- 0395US4882054AVibratory screening machine with tiltable screen frame and adjustable discharge weirDERRICK MFG CORP·Filed 1988·Granted Nov 21, 1989·149 cites·23 claims
- 0494US5720881AScreen assembly for vibrating screening machineDERRICK MFG CORP·Filed 1995·Granted Feb 24, 1998·82 cites·48 claims
- 0592US5868929AScreen assembly for vibrating screening machineDERRICK MFG CORP·Filed 1996·Granted Feb 9, 1999·77 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →