Inventor
EITZMAN PHILIP D
US18 patents
⚠️ This page may combine multiple inventors who share the name “EITZMAN PHILIP D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3M INNOVATIVE PROPERTIES CO
12 patentsUS6406657B1Jun 18, 2002
Method and apparatus for making a fibrous electret web using a wetting liquid and an aqueous polar liquid
3M INNOVATIVE PROPERTIES CO151 citations99
US6824718B2Nov 30, 2004
Process of making a fibrous electret web
3M INNOVATIVE PROPERTIES CO97 citations98
US6454986B1Sep 24, 2002
Method of making a fibrous electret web using a nonaqueous polar liquid
3M INNOVATIVE PROPERTIES CO118 citations98
US6375886B1Apr 23, 2002
Method and apparatus for making a nonwoven fibrous electret web from free-fiber and polar liquid
3M INNOVATIVE PROPERTIES CO167 citations98
USD882758SApr 28, 2020
Valve cover
3M INNOVATIVE PROPERTIES CO11 citations85
USD843562SMar 19, 2019
Valve cover with diamond pattern
3M INNOVATIVE PROPERTIES CO15 citations85
USD900306SOct 27, 2020
Valve cover
3M INNOVATIVE PROPERTIES CO7 citations83
USD849245SMay 21, 2019
Valve cover
3M INNOVATIVE PROPERTIES CO9 citations83
USD842983SMar 12, 2019
Valve cover
3M INNOVATIVE PROPERTIES CO8 citations83
USD828546SSep 11, 2018
Valve cover with openings
3M INNOVATIVE PROPERTIES CO9 citations83
USD827812SSep 4, 2018
Valve cover with openings
3M INNOVATIVE PROPERTIES CO7 citations83
USD827811SSep 4, 2018
Valve cover
3M INNOVATIVE PROPERTIES CO9 citations83
MINNESOTA MINING & MFG
3 patentsUS5478466ADec 26, 1995
Cartridge filters with insoluble enzyme particulates contained thereon
MINNESOTA MINING & MFG45 citations96
US5468847ANov 21, 1995
Method of isolating and purifying a biomacromolecule
MINNESOTA MINING & MFG91 citations94
US5614105AMar 25, 1997
Cartridge filters with insoluble enzyme particulates contained thereon
MINNESOTA MINING & MFG19 citations92