Inventor
WISE LAYTON A
US14 patents
Patents
14 patentsUS4648394AMar 10, 1987
Facemask for abrasive service
MINE SAFETY APPLIANCES CO69 citations95
US6264392B1Jul 24, 2001
Pivot joint for faceshield assembly
MINE SAFETY APPLIANCES CO66 citations93
US6317895B1Nov 20, 2001
Safety helmet assembly
MINE SAFETY APPLIANCES CO29 citations92
US5584289ADec 17, 1996
Breathing apparatus having a flexible manifold connected between a plurality of air cylinders
MINE SAFETY APPLIANCES CO40 citations92
US5781118AJul 14, 1998
Self-contained breathing apparatus having a personal alert safety system integrated therewith
MINE SAFETY APPLIANCES CO36 citations91
US7110743B2Sep 19, 2006
Communications device for a protective helmet
MINE SAFETY APPLIANCES CO54 citations89
US5027807AJul 2, 1991
Protective garment cooling device
MINE SAFETY APPLIANCES CO32 citations86
US4205673AJun 3, 1980
Breathing apparatus with an automatic firing mechanism
MINE SAFETY APPLIANCES CO25 citations78
US6443149B1Sep 3, 2002
Closed circuit escape breathing apparatus
MINE SAFETY APPLIANCES CO13 citations73
US4466432AAug 21, 1984
Air supplying hood
MINE SAFETY APPLIANCES CO16 citations73
US4231361ANov 4, 1980
Breathing apparatus flow device
MINE SAFETY APPLIANCES CO7 citations73
US4212846AJul 15, 1980
Breathing apparatus chemical canister with dust seal
MINE SAFETY APPLIANCES CO11 citations73
US6481023B2Nov 19, 2002
Suspension for protective headgear
MINE SAFETY APPLIANCES CO8 citations68
US4193507AMar 18, 1980
Cover for breathing apparatus canister
MINE SAFETY APPLIANCES CO4 citations58