US Patent No: 4,841,953

Number of patents in Portfolio can not be more than 2000

Auxiliary supply system for a portable self-contained breathing apparatus

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ATTORNEY / AGENT: (SPONSORED)
 

Importance

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Abstract

An auxiliary supply system for a portable self-contained breathing apparatus in which an auxiliary source of air is provided to the facepiece which is totally independent of the normal air supply, in order to provide additional air to the user in case the original supply of air runs out or any component of the standard breathing apparatus malfunctions.

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First Claim

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Patent Owner(s)

  • Assignment data not available. Check USPTO

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dodrill, Gregg W 7308 Campbell Rd., Dallas, TX 75248 2 99

Cited Art

Patent Info (Count) # Cites Year
 
EAST/WEST INDUSTRIES, INC. (1)
4,619,255 Oxygen supply system 19 1984
 
LOCKHEED CORPORATION (1)
4,559,939 Compatible smoke and oxygen masks for use on aircraft 50 1984
 
MINNESOTA MINING AND MANUFACTURING COMPANY (1)
4,377,163 Breathing apparatus 10 1980
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (1)
4,392,490 Multiple outlet connecting means for self-contained positive pressure or demand regulated breathing apparatus 31 1981

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
RESMED LIMITED (61)
6,123,071 Facial masks for assisted respiration or CPAP 77 1996
6,112,746 Nasal mask and mask cushion therefor 197 1997
D435650 Combined nasal mask shell and cushion 10 1997
D428987 Nasal mask shell 40 1997
D423096 Nasal mask cushion 48 1997
6,123,082 Device for preventing or reducing the passage of air through the mouth 26 1997
6,006,748 Vent valve apparatus 42 1997
6,494,207 Harness assembly for a nasal mask 59 1997
6,044,844 Mask and harness assembly 114 1997
6,029,660 Substance delivery apparatus 52 1997
6,119,693 Forehead support for facial mask 193 1998
6,561,190 Mask and a vent assembly therefor 54 1998
6,513,526 Full-face mask and mask cushion therefor 78 1999
6,357,441 Nasal mask and mask cushion therefor 121 1999
6,561,191 Mask and a vent assembly therefor 26 1999
6,491,034 Gas delivery connection assembly 62 2000
6,634,358 Nasal mask cushion assembly 27 2000
6,463,931 Forehead support for facial mask 62 2000
7,185,652 Gas delivery connection assembly 6 2001
7,089,939 Gas delivery connection assembly 5 2001
6,871,649 Nasal mask cushion assembly 8 2001
6,581,602 Nasal mask and mask cushion therefor 62 2002
7,178,527 Nasal mask and mask cushion therefor 7 2002
7,036,508 Harness assembly for a nasal mask 21 2002
6,557,556 Forehead support for facial mask 26 2002
7,207,334 Respiratory mask assembly 7 2002
6,701,927 Full-face mask and mask cushion therefor 48 2002
6,691,708 Forehead support for facial mask 37 2002
6,860,269 Forehead support for facial mask 37 2002
7,845,354 Mask and vent assembly therefor 2 2002
6,973,929 Forehead support for a facial mask 8 2002
D498529 Portion of a cushion for use with a mask assembly in the application of continuous positive airway pressure (CPAP) 4 2003
7,207,335 Mask and vent assembly therefor 11 2003
6,889,692 Vent valve assembly 1 2003
6,997,188 Forehead support for facial mask 5 2003
7,234,466 Forehead support for facial mask 6 2003
7,069,933 Breathing mask and mask cushion therefor 7 2003
7,021,311 Mask cushion and frame assembly 6 2004
D550351 Elastic gas washout vent for a respiratory mask 2 2004
7,503,327 Mask with integral cushion and forehead piece 9 2004
7,406,965 Forehead support for facial mask 3 2004
7,243,651 Cushion and mask therefor 5 2004
7,318,439 Mask assembly 14 2004
7,059,325 Vent assembly 0 2005
7,942,150 Nasal assembly 5 2005
7,882,837 Forehead support for facial mask 2 2005
7,174,893 Mask with anti-asphyxia valve 4 2005
7,487,777 Cushion clip assembly and mask assembly having same 3 2005
7,861,714 Respiratory mask assembly 0 2006
7,926,487 Respiratory mask having gas washout vent and gas washout vent assembly for a respiratory mask 3 2006
8,056,561 Full-face mask and mask cushion therefor 0 2006
7,610,916 Forehead support for facial mask 6 2006
8,122,886 Respiratory mask assembly with vent 0 2006
7,950,392 Cushion and mask therefor 0 2007
8,230,855 Mask assembly 2 2007
7,762,259 Mask with integral cushion and forehead piece 2 2007
7,942,149 Forehead support for a facial mask 2 2009
8,113,197 Respiratory mask assembly 0 2009
8,186,348 Forehead support for facial mask 2 2009
8,210,180 Mask with integral cushion and forehead piece 2 2010
8,353,294 Respiratory mask assembly 0 2011
 
INVACARE CORPORATION (5)
7,290,546 Nasal mask 8 2003
7,621,274 Nasal mask 9 2003
D507831 Nasal mask 6 2004
D583931 Nasal mask 0 2004
8,028,698 Breathing mask 0 2007
 
RESMED R&D GERMANY GMBH (4)
7,100,610 Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas 6 2001
7,000,614 Breathing mask arrangement and a forehead support device for same 17 2002
7,320,323 Breathing mask device and application device and frontal support device thereof 12 2002
8,371,301 Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas 0 2010
 
BREATHE TECHNOLOGIES, INC. (3)
8,381,729 Methods and devices for minimally invasive respiratory support 0 2007
8,136,527 Method and device for non-invasive ventilation with nasal interface 1 2008
8,418,694 Systems, methods and apparatus for respiratory support of a patient 0 2010
 
MAP MEDIZIN-TECHNOLOGIE GMBH (3)
7,654,263 Breathing mask arrangement and a forehead support device for same 3 2005
7,967,014 Application device for breathing mask arrangement 1 2006
7,992,559 Breathing mask arrangement as well as an application device and a forehead support device for same 2 2007
 
MINNESOTA MINING AND MANUFACTURING COMPANY (2)
5,619,988 First stage pressure regulator for emergency breathing apparatus 4 1995
5,924,420 Full face respirator mask having integral connectors disposed in lens area 50 1996
 
AUERGESELLSCHAFT GMBH (1)
6,561,189 Connecting part of a breathing mask 1 2000
 
CAREFUSION 205, INC. (1)
7,007,696 Mask cushion and method of using same 19 2002
 
DRAEGER MEDICAL GMBH (1)
8,286,633 Carbon dioxide absorber for a rebreathing system 0 2008
 
IMMEDIATE RESPONSE TECHNOLOGIES (1)
7,380,551 Breathing apparatus 7 2004
 
INTERSPIRO, INC. (1)
7,543,584 Powered air purifying respirator system and breathing apparatus 5 2003
 
KOCH ACQUISITION CORPORATION (1)
5,129,389 Breathing mask supply tube release 6 1990
 
LOGICA PRODUCT DEVELOPMENT, INC. (1)
6,279,573 Breathing tube connection for respiratory protective headgear 1 1998
 
MAP-MEDIZINTECHNOLOGIE GMBH (1)
7,775,209 Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas 3 2006
 
MSA EUROPE GMBH (1)
6,651,662 Alignment and connection mechanism for a mask-mounted regulator 4 2001
 
RIC INVESTMENTS, LLC. (1)
5,438,981 Automatic safety valve and diffuser for nasal and/or oral gas delivery mask 99 1993
 
RYATT CORPORATION, THE (1)
5,701,886 Treatment non-rebreather assembly and method for delivering oxygen and medication 23 1995
 
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE ARMY (1)
5,293,864 Emergency breathing apparatus 47 1991
 
U.S. FIREFIGHTER, INC. (1)
5,562,092 Firefighter's emergency smoke filter 15 1995
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (2)
5,477,849 Spacer for medication inhaler 22 1994
7,168,428 Apparatus for connecting air bottles 5 2002