| US6039045A
              (en)
            
            * | 1987-04-22 | 2000-03-21 | Intertechnique | Head harness for respiratory mask | 
        
          | US5036846A
              (en)
            
            * | 1988-02-26 | 1991-08-06 | Puritan-Bennett Corporation | Crew oxygen mask with pneumatic comfort adjustment | 
        
          | GB8812888D0
              (en)
            
            * | 1988-05-31 | 1988-07-06 | Normalair Garrett Ltd | Aircraft aircrew life support systems | 
        
          | DE3840058A1
              (de)
            
            * | 1988-11-28 | 1990-05-31 | Auergesellschaft Gmbh | Lungengesteuertes ventil | 
        
          | GB8921344D0
              (en)
            
            * | 1989-09-21 | 1989-11-08 | Normalair Garrett Ltd | Aircraft aircrew life support apparatus | 
        
          | US5000174A
              (en)
            
            * | 1989-10-03 | 1991-03-19 | Cairns & Brother Inc. | Positive pressure breathing assembly and demand regulator therefor | 
        
          | GB9005562D0
              (en)
            
            * | 1990-03-13 | 1990-05-09 | Normalair Garrett Ltd | Aircraft aircrew life support apparatus | 
        
          | GB9013630D0
              (en)
            
            * | 1990-06-19 | 1990-08-08 | Normalair Garrett Ltd | Aircraft aircrew life support apparatus | 
        
          | GB9027961D0
              (en)
            
            * | 1990-12-22 | 1991-04-24 | Normalair Garrett Ltd | Aircrew breathing gas regulators | 
        
          | US5238008A
              (en)
            
            * | 1991-02-07 | 1993-08-24 | Rockwell International Corporation | Inflatable bladder system for monitoring lung pressure | 
        
          | US5170814A
              (en)
            
            * | 1992-02-18 | 1992-12-15 | Litton Systems, Inc. | High altitude G-valve | 
        
          | GB9208481D0
              (en)
            
            * | 1992-04-16 | 1992-06-03 | Normalair Garrett Ltd | Breathing demand regulators | 
        
          | US5645055A
              (en)
            
            * | 1992-08-12 | 1997-07-08 | Conax Florida Corporation | Oxygen breathing controller | 
        
          | US5348001A
              (en)
            
            * | 1992-08-12 | 1994-09-20 | American Safety Flight Systems, Inc. | Oxygen breathing controls | 
        
          | US5701889A
              (en)
            
            * | 1992-08-12 | 1997-12-30 | Conax Florida Corporation | Oxygen breathing controller having a G-sensor | 
        
          | GB9224797D0
              (en)
            
            * | 1992-11-26 | 1993-01-13 | Normalair Garrett Ltd | Air-oxygen mixture controllers for breathing demand regulators | 
        
          | US5983892A
              (en) | 1994-06-03 | 1999-11-16 | Thornton; W. Keith | Device for improving breathing | 
        
          | US5537994A
              (en) | 1994-06-03 | 1996-07-23 | Thornton; W. Keith | Combination face mask and dental device for improved breathing during sleep | 
        
          | US5881725A
              (en)
            
            * | 1997-08-19 | 1999-03-16 | Victor Equipment Company | Pneumatic oxygen conserver | 
        
          | US7360822B2
              (en)
            
            * | 1998-02-04 | 2008-04-22 | Oakwood Energy Management, Inc. | Modular energy absorber and method for configuring same | 
        
          | US6682128B2
              (en)
            
            * | 1998-02-04 | 2004-01-27 | Oakwood Energy Management, Inc. | Composite energy absorber | 
        
          | US6679967B1
              (en) | 1998-02-04 | 2004-01-20 | Oakwood Energy Management, Inc. | Method for making a modular energy-absorbing assembly | 
        
          | US6752450B2
              (en)
            
            * | 1998-02-04 | 2004-06-22 | Oakwood Energy Management, Inc. | Formed energy absorber | 
        
          | US6247926B1
              (en) | 2000-01-17 | 2001-06-19 | W. Keith Thornton | Oral appliance having a bonding layer and methods for fitting and relining same | 
        
          | US6464924B1
              (en) | 2000-04-05 | 2002-10-15 | W. Keith Thornton | Method of forming a custom mask using an impression mask | 
        
          | US6571798B1
              (en) | 2000-04-05 | 2003-06-03 | W. Keith Thornton | Device for improving breathing and method of constructing same | 
        
          | US6405729B1
              (en) | 2000-04-05 | 2002-06-18 | W. Keith Thornton | Oral appliance for improving breathing and method of constructing same | 
        
          | US6364161B1
              (en) | 2000-09-27 | 2002-04-02 | Victor Equipment Company | Oxygen conserver | 
        
          | US6619285B2
              (en)
            
            * | 2001-06-13 | 2003-09-16 | Albert D. Hawkins, Jr. | Ambient air breathing device | 
        
          | US20030165664A1
              (en)
            
            * | 2002-03-01 | 2003-09-04 | Oakwood Custom Coating, Inc. | Method of making a composite panel and article made thereby | 
        
          | WO2003092563A2
              (en) | 2002-05-01 | 2003-11-13 | Thornton Keith W | Device for improving a user's breathing | 
        
          | US6857428B2
              (en) | 2002-10-24 | 2005-02-22 | W. Keith Thornton | Custom fitted mask and method of forming same | 
        
          | US7341072B2
              (en)
            
            * | 2003-05-02 | 2008-03-11 | Carleton Technologies, Inc. | Oxygen supply system having a central flow control unit | 
        
          | US7243650B2
              (en) | 2004-07-12 | 2007-07-17 | Thornton W Keith | Custom fitted mask configured for coupling to an external gas supply system and method of forming same | 
        
          | US7909035B2
              (en)
            
            * | 2005-07-11 | 2011-03-22 | Airway Technologies, Llc | Multi-chamber mask and method of forming the same | 
        
          | US8316858B2
              (en) | 2006-04-06 | 2012-11-27 | Airway Technologies, Llc | System for coupling an oral appliance to a medical mask | 
        
          | US8236216B2
              (en) | 2006-07-06 | 2012-08-07 | Airway Technologies, Llc | System and method for forming a custom medical mask using an orientation device | 
        
          | US8874251B2
              (en) | 2006-07-06 | 2014-10-28 | Airway Technologies, Llc | System and method for forming a custom medical mask from a three-dimensional electronic model | 
        
          | US7992558B2
              (en)
            
            * | 2006-09-11 | 2011-08-09 | Airway Technologies Llc | Stability medical mask | 
        
          | US8020276B2
              (en) | 2006-11-30 | 2011-09-20 | Airway Technologies, Llc | System and method for custom-orienting a medical mask to an oral appliance | 
        
          | CN101932363B
              (zh)
            
            * | 2007-11-21 | 2012-05-23 | 联合技术公司 | 能降低氧气消耗量的呼吸面罩 | 
        
          | US8607796B2
              (en) | 2009-02-27 | 2013-12-17 | Airway Technologies, Llc | Apparatus and method for coupling an oral appliance to a gas delivery device | 
        
          | US8726424B2
              (en) | 2010-06-03 | 2014-05-20 | Intellectual Property Holdings, Llc | Energy management structure | 
        
          | WO2012138459A1
              (en) | 2011-04-05 | 2012-10-11 | Airway Technologies, Llc | Oral appliance for treating particular disorders associated with sleep | 
        
          | USD679058S1
              (en) | 2011-07-01 | 2013-03-26 | Intellectual Property Holdings, Llc | Helmet liner | 
        
          | US9516910B2
              (en) | 2011-07-01 | 2016-12-13 | Intellectual Property Holdings, Llc | Helmet impact liner system | 
        
          | US9016278B2
              (en)
            
            * | 2011-07-25 | 2015-04-28 | Zodiac Aerotechnics | Regulation valve for a life support system | 
        
          | USD683079S1
              (en) | 2011-10-10 | 2013-05-21 | Intellectual Property Holdings, Llc | Helmet liner | 
        
          | US9320311B2
              (en) | 2012-05-02 | 2016-04-26 | Intellectual Property Holdings, Llc | Helmet impact liner system | 
        
          | US9894953B2
              (en) | 2012-10-04 | 2018-02-20 | Intellectual Property Holdings, Llc | Helmet retention system | 
        
          | USD733972S1
              (en) | 2013-09-12 | 2015-07-07 | Intellectual Property Holdings, Llc | Helmet | 
        
          | AU2014342635B2
              (en) | 2013-10-28 | 2019-07-11 | Team Wendy, Llc | Helmet retention system | 
        
          | CN106334280B
              (zh) | 2015-07-15 | 2019-01-15 | 梅思安(苏州)安全设备研发有限公司 | 压强调节器组件 | 
        
          | FR3138322A1
              (fr) | 2022-07-27 | 2024-02-02 | Safran Aerosystems | Système respiratoire, notamment pour un aéronef |