Inventor
DREWS WOLFGANG
DE15 patents
⚠️ This page may combine multiple inventors who share the name “DREWS WOLFGANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DRAEGERWERK AG
11 patentsUS4465067AAug 14, 1984
Oxygen insufflation device
DRAEGERWERK AG86 citations96
US5669375ASep 23, 1997
Breathing mask
DRAEGERWERK AG79 citations92
US4766893AAug 30, 1988
Emergency oxygen supply unit with a respirator
DRAEGERWERK AG43 citations92
US4821711AApr 18, 1989
Protective breathing device
DRAEGERWERK AG21 citations81
US5042471AAug 27, 1991
Respirator with several regeneration cartridges and breather bags
DRAEGERWERK AG10 citations71
US5291881AMar 8, 1994
Air cleaning cartridge for a gas mask and breathing equipment with an insert
DRAEGERWERK AG14 citations69
US4665910AMay 19, 1987
Respirator having a respiratory regenerator with an area cooling portion
DRAEGERWERK AG8 citations69
USD347064SMay 17, 1994
Housing for an oxygen respirator
DRAEGERWERK AG2 citations62
USD289207SApr 7, 1987
Case for a breathing mask or breathing apparatus unit
DRAEGERWERK AG4 citations62
US5450844ASep 19, 1995
Locking device for the container of a gas mask and breathing equipment
DRAEGERWERK AG3 citations58
USD352008SNov 1, 1994
Housing for an adjustable timer
DRAEGERWERK AG0 citations51