Inventor · disambiguated record
Darryl F. Klassen
Also filed as: KLASSEN DARRYL F
3 granted patents·45 citations·filing 2001–2009
71Inventor score
Top patents by PatentIndex Score
3 records- 0186US8388717B2Furnace filter adapters and bracesLIVINGSTONE DAVID E·Filed 2009·Granted Mar 5, 2013·26 cites·22 claims
- 0281US6540991B2Stabilized active materials3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Apr 1, 2003·14 cites·20 claims
- 0358US7179480B2Sustained release microcapsules3M INNOVATIVE PROPERTIES CO·Filed 2002·Granted Feb 20, 2007·5 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →