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Class Information
Number: 128/201.19
Name: Surgery > Respiratory method or device > Means for transmitting, or facilitating, voice communication from face mask, hood, or helmet
Description: Subject matter including means for transmitting, or facilitating, voice communication from a face mask, hood, or helmet.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7394905 |
Voice amplifier for mask |
Jul. 1, 2008 |
| 7302072 |
Electronic device mount for mask |
Nov. 27, 2007 |
| 7296568 |
Respirator module with speech transmission and exhalation valve |
Nov. 20, 2007 |
| 7234462 |
Speech transmission adaptor for use with a respirator mask |
Jun. 26, 2007 |
| 6997178 |
Oxygen inhaler mask with sound pickup device |
Feb. 14, 2006 |
| 6973677 |
Air filtration system including a helmet assembly |
Dec. 13, 2005 |
| 6622311 |
Air filtration system including a helmet assembly |
Sep. 23, 2003 |
| 6481019 |
Air filtration system including a helmet assembly |
Nov. 19, 2002 |
| 6382206 |
Speech transmission adaptor for use with a respirator mask |
May. 7, 2002 |
| 6340024 |
Protective hood and oral/nasal mask |
Jan. 22, 2002 |
| 6332464 |
Scuba diving regulator |
Dec. 25, 2001 |
| 6305370 |
Voice transmitter for a breathing protective mask |
Oct. 23, 2001 |
| 6253763 |
Mouthpiece and speaker assemblies for underwater speech |
Jul. 3, 2001 |
| 6188773 |
Waterproof type microphone |
Feb. 13, 2001 |
| 6121881 |
Protective mask communication devices and systems for use in hazardous environments |
Sep. 19, 2000 |
| 6018585 |
Waterproof microphone |
Jan. 25, 2000 |
| 6016802 |
Breathing apparatus and facepiece therefor |
Jan. 25, 2000 |
| 5969429 |
Breathing apparatus having electrical power supply arrangement with turbine-generator assembly |
Oct. 19, 1999 |
| 5860417 |
Microphone mounting structure for a sound amplifying respirator and/or bubble suit |
Jan. 19, 1999 |
| 5839432 |
Face-covering hood with inner liner and vent space |
Nov. 24, 1998 |
| 5829431 |
Microphone attenuation device for use in oxygen breathing masks |
Nov. 3, 1998 |
| 5771886 |
Inflatable head harness with hearing device placement |
Jun. 30, 1998 |
| 5697363 |
Inhalation and monitoring mask with headset |
Dec. 16, 1997 |
| 5605145 |
Microphone attenuation device for use in oxygen breathing masks |
Feb. 25, 1997 |
| 5574794 |
Microphone assembly for adhesive attachment to a vibratory surface |
Nov. 12, 1996 |
| 5572990 |
Respiratory mask and microphone mount for use therein |
Nov. 12, 1996 |
| 5503141 |
Microphone mounting structure for a sound amplifying respirator |
Apr. 2, 1996 |
| 5421326 |
Heat resistant suit with active cooling system |
Jun. 6, 1995 |
| 5385141 |
Speech diaphragm and exhalation valve |
Jan. 31, 1995 |
| 5307793 |
Microphone signal attenuating apparatus for oxygen masks |
May. 3, 1994 |
| 5279286 |
Mask |
Jan. 18, 1994 |
| 5277179 |
Diver's microphone mask |
Jan. 11, 1994 |
| 5224473 |
Retrofitting gas mask voice amplifier unit with easily actuated switch means |
Jul. 6, 1993 |
| 5224474 |
Retrofitting gas mask voice amplifier unit with easily actuated switch means |
Jul. 6, 1993 |
| 5185725 |
Diver locator system |
Feb. 9, 1993 |
| 5159641 |
Microphone circuit control mechanism for breathing apparatus |
Oct. 27, 1992 |
| 5138666 |
Voice transmission system |
Aug. 11, 1992 |
| 5136555 |
Integrated diver face mask and ultrasound underwater voice communication apparatus |
Aug. 4, 1992 |
| 5080092 |
Protective mask |
Jan. 14, 1992 |
| 5060308 |
Firefighters mask communication system |
Oct. 22, 1991 |
| 4999606 |
Dive parameter indicating assembly |
Mar. 12, 1991 |
| H883 |
Protective mask |
Feb. 5, 1991 |
| 4980926 |
Voice communication unit |
Dec. 25, 1990 |
| 4961420 |
Gas mask for operation in contaminated areas |
Oct. 9, 1990 |
| 4958633 |
Valve for respirator |
Sep. 25, 1990 |
| 4957106 |
Gas mask coupled to monolithic member with speech membrane |
Sep. 18, 1990 |
| 4949072 |
Dive parameter indicating assembly |
Aug. 14, 1990 |
| 4926398 |
Pressure compensated communication system |
May. 15, 1990 |
| 4915099 |
Moulded speech transmitter |
Apr. 10, 1990 |
| 4885796 |
Communication apparatus for use in hazardous environments |
Dec. 5, 1989 |
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