Inventor
TOLK SIEGBERT
DE5 patents
Patents
5 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
US12396509B2Aug 26, 2025
Safety helmet with an intermediate piece for changing the center of gravity and arrangements with such a safety helmet and two alternative intermediate pieces
DRAEGER SAFETY AG & CO KGAA0 citations47
US11166527B2Nov 9, 2021
Detachable belt connector system
DRAEGER SAFETY AG & CO KGAA0 citations45