Inventor · disambiguated record
H. William Derrick, Jr.
Also filed as: DERRICK JR H WILLIAM
4 granted patents·415 citations·filing 1976–1991
83Inventor score
Files withDERRICK MFG CORP4
Top patents by PatentIndex Score
4 records- 0197US5221008AVibratory screening machine and non-clogging wear-reducing screen assembly thereforDERRICK MFG CORP·Filed 1991·Granted Jun 22, 1993·191 cites·40 claims
- 0295US4033865ANon-clogging screen apparatusDERRICK MFG CORP·Filed 1976·Granted Jul 5, 1977·137 cites·4 claims
- 0390US4065382AMultiple screen apparatusDERRICK MFG CORP·Filed 1976·Granted Dec 27, 1977·58 cites·6 claims
- 0477US4085776AFlow dividerDERRICK MFG CORP·Filed 1976·Granted Apr 25, 1978·29 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →