Inventor
DYRUD JAMES F
US30 patents
⚠️ This page may combine multiple inventors who share the name “DYRUD JAMES F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3M INNOVATIVE PROPERTIES CO
17 patentsUS6568392B1May 27, 2003
Flat-folded personal respiratory protection devices and processes for preparing same
3M INNOVATIVE PROPERTIES CO91 citations99
US6484722B2Nov 26, 2002
Flat-folded personal respiratory protection devices and processes for preparing same
3M INNOVATIVE PROPERTIES CO125 citations99
US6123077ASep 26, 2000
Flat-folded personal respiratory protection devices and processes for preparing same
3M INNOVATIVE PROPERTIES CO196 citations99
US6886563B2May 3, 2005
Flat-folded personal respiratory protection devices and processes for preparing same
3M INNOVATIVE PROPERTIES CO78 citations98
US6148817ANov 21, 2000
Multi-part headband and respirator mask assembly and process for making same
3M INNOVATIVE PROPERTIES CO94 citations98
US6057256AMay 2, 2000
Web of biocomponent blown fibers
3M INNOVATIVE PROPERTIES CO107 citations98
US7069930B2Jul 4, 2006
Flat-folded personal respiratory protection devices and processes for preparing same
3M INNOVATIVE PROPERTIES CO60 citations96
US6722366B2Apr 20, 2004
Method of making a flat-folded personal respiratory protection device
3M INNOVATIVE PROPERTIES CO49 citations96
US6715489B2Apr 6, 2004
Processes for preparing flat-folded personal respiratory protection devices
3M INNOVATIVE PROPERTIES CO53 citations96
US6536434B1Mar 25, 2003
Flat-folded personal respiratory protection devices and processes for preparing same
3M INNOVATIVE PROPERTIES CO63 citations96
USD431647SOct 3, 2000
Personal respiratory protection device having an exhalation valve
3M INNOVATIVE PROPERTIES CO64 citations96
US6070579AJun 6, 2000
Elastomeric composite headband
3M INNOVATIVE PROPERTIES CO66 citations96
USD424688SMay 9, 2000
Respiratory protection mask
3M INNOVATIVE PROPERTIES CO54 citations96
US6041782AMar 28, 2000
Respiratory mask having comfortable inner cover web
3M INNOVATIVE PROPERTIES CO180 citations96
US8375950B2Feb 19, 2013
Flat-folded personal respiratory protection devices and processes for preparing same
3M INNOVATIVE PROPERTIES CO15 citations92
US6492286B1Dec 10, 2002
Uniform meltblown fibrous web
3M INNOVATIVE PROPERTIES CO33 citations92
US6139308AOct 31, 2000
Uniform meltblown fibrous web and methods and apparatus for manufacturing
3M INNOVATIVE PROPERTIES CO27 citations92
MINNESOTA MINING & MFG
12 patentsUS5724677AMar 10, 1998
Multi-part headband and respirator mask assembly and process for making same
MINNESOTA MINING & MFG148 citations99
US4957943ASep 18, 1990
Particle-filled microporous materials
MINNESOTA MINING & MFG151 citations99
US4729371AMar 8, 1988
Respirator comprised of blown bicomponent fibers
MINNESOTA MINING & MFG154 citations99
US7131442B1Nov 7, 2006
Fibrous filtration face mask
MINNESOTA MINING & MFG89 citations97
US5307796AMay 3, 1994
Methods of forming fibrous filtration face masks
MINNESOTA MINING & MFG202 citations97
US4807619AFeb 28, 1989
Resilient shape-retaining fibrous filtration face mask
MINNESOTA MINING & MFG316 citations96
US6095143AAug 1, 2000
Face mask having a combination adjustable ear loop and drop down band
MINNESOTA MINING & MFG49 citations93
US5819731AOct 13, 1998
Face mask having a combination adjustable ear loop and drop down band
MINNESOTA MINING & MFG61 citations93
US5503782AApr 2, 1996
Method of making sorbent articles
MINNESOTA MINING & MFG26 citations92
US4964509AOct 23, 1990
Universal shipping container for hazardous liquids
MINNESOTA MINING & MFG51 citations92
US5609164AMar 11, 1997
Method of forming an earplug containment device
MINNESOTA MINING & MFG42 citations91
US5195539AMar 23, 1993
Earplug compression device
MINNESOTA MINING & MFG32 citations91