Inventor
GDULLA MANFRED
DE9 patents
⚠️ This page may combine multiple inventors who share the name “GDULLA MANFRED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DRAEGERWERK AG
5 patentsUS4111197ASep 5, 1978
Respiratory device coupling construction
DRAEGERWERK AG117 citations95
US5411021AMay 2, 1995
Breathing mask with speaking device
DRAEGERWERK AG62 citations94
US4276877AJul 7, 1981
Respiratory method and apparatus
DRAEGERWERK AG62 citations94
US4136403AJan 30, 1979
Head guard assembly comprising a protective helmet and a protective breathing mask
DRAEGERWERK AG71 citations93
US5454369AOct 3, 1995
Breathing mask with fixed mask body
DRAEGERWERK AG5 citations61
DRAEGER SAFETY AG & CO KGAA
3 patentsUS7575004B2Aug 18, 2009
Gas mask for normal pressure operation and overpressure operation
DRAEGER SAFETY AG & CO KGAA7 citations69
US7770581B2Aug 10, 2010
Breathing mask
DRAEGER SAFETY AG & CO KGAA5 citations59
US7770240B2Aug 10, 2010
Safety helmet with a breathing mask
DRAEGER SAFETY AG & CO KGAA0 citations48