Inventor · disambiguated record

David W. Ziemann

Also filed as: ZIEMANN DAVID W

2 granted patents·2 citations·filing 2017–2021

33Inventor score

Technology areasB01D

Files with3M INNOVATIVE PROPERTIES CO1 3M INNOVATIVE PROPERTIES COMPANY1

Top patents by PatentIndex Score

2 records

0173US10921020B2Air filter comprising frame with bowed inner edge3M INNOVATIVE PROPERTIES CO·Filed 2017·Granted Feb 16, 2021·2 cites·19 claims
0244US12263433B2Framed air filter with stabilizing flap3M INNOVATIVE PROPERTIES COMPANY·Filed 2021·Granted Apr 1, 2025·0 cites·17 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →