Inventor · disambiguated record
David H. Willson
Also filed as: WILLSON DAVID H
3 granted patents·35 citations·filing 1981–1986
70Inventor score
Technology areasB01D
Files withAMSTED IND INC3
Top patents by PatentIndex Score
3 records- 0153US4396505AFiltration system pump arrangementAMSTED IND INC·Filed 1981·Granted Aug 2, 1983·16 cites·2 claims
- 0242US4571302ARelieving pressure differential in vacuum filterAMSTED IND INC·Filed 1984·Granted Feb 18, 1986·11 cites·6 claims
- 0334US4693836AFilter apparatus with bypass preventionAMSTED IND INC·Filed 1986·Granted Sep 15, 1987·8 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →