Inventor · disambiguated record
Donna Butler
Also filed as: BUTLER DONNA · BUTLER DONNA A
3 granted patents·50 citations·filing 2007–2012
72Inventor score
Technology areasB01D
Top patents by PatentIndex Score
3 records- 0195US8932465B2Filter cartridge having a filter within a filter, and an endplate sealing structure on an outer filter elementCUMMINS FILTRATION IP INC·Filed 2012·Granted Jan 13, 2015·23 cites·21 claims
- 0288US8333890B2Filter cartridge having a filter within a filter, and an endplate sealing structure on an outer filter elementWELLS AARON M·Filed 2009·Granted Dec 18, 2012·22 cites·22 claims
- 0363US8118998B2Self-adjusting minimum load filter cartridge and bypass valveBAGCI ISMAIL C·Filed 2007·Granted Feb 21, 2012·5 cites·22 claims
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