|
| US4030492 | 28 Jan 1976 | 21 Jun 1977 | Dragerwerk Aktiengesellschaft | Device for supporting human breathing and artificial respiration |
| US4090518 | 12 Aug 1976 | 23 May 1978 | | Esophago-pharyngeal airway |
| US4261355 | 25 Sep 1978 | 14 Apr 1981 | | Constant positive pressure breathing apparatus |
| US4270530 | 22 Oct 1979 | 2 Jun 1981 | Dragerwerk Aktiengesellschaft | Tracheal tube |
| US4289128 | 15 Jun 1979 | 15 Sep 1981 | Willy Rusch GmbH & Co. KG. | Laryngeal tube |
| US4495946 | 17 Mar 1981 | 29 Jan 1985 | | Artificial breathing device |
| US4584998 | 11 Sep 1981 | 29 Apr 1986 | Mallinckrodt, Inc. | Multi-purpose tracheal tube |
| US5036847 | 18 Sep 1990 | 6 Aug 1991 | | Breathing aid |
| US5062423 | 27 Feb 1990 | 5 Nov 1991 | Minnesota Mining and Manufacturing Company | Equine aerosol drug delivery method and apparatus |
| US5231983 | 7 Oct 1991 | 3 Aug 1993 | Minnesota Mining and Manufacturing | Method of and apparatus for the aerosol administration of medication |
| US5452715 | 29 Dec 1993 | 26 Sep 1995 | | Tube for assisting breathing |
| US5538002 | 20 Oct 1994 | 23 Jul 1996 | | Device for respiratory assistance |
| US6102041 | 22 Nov 1993 | 15 Aug 2000 | | Respiratory assistance device |
| US6536437 | 29 Oct 1999 | 25 Mar 2003 | | Cuffed nasal airway and anesthetic wand system |
| US7654264 | 18 Jul 2006 | 2 Feb 2010 | Nellcor Puritan Bennett LLC | Medical tube including an inflatable cuff having a notched collar |
| US8096299 | 15 Dec 2009 | 17 Jan 2012 | Nellcor Puritan Bennett LLC | Medical tube including an inflatable cuff having a notched collar |
