|
| US4192301 | 6. Nov. 1978 | 11. März 1980 | | Re-breathing apparatus |
| US4484577 | 12. Mai 1982 | 27. Nov. 1984 | Key Pharmaceuticals, Inc. | Drug delivery method and inhalation device therefor |
| US5285775 | 5. Mai 1992 | 15. Febr. 1994 | | Surgical breathing bag having hour-glass shape and non-slip surface |
| US5647345 | 7. Juni 1995 | 15. Juli 1997 | | Respiratory stimulator & methods of use |
| US5647354 | 15. Mai 1996 | 15. Juli 1997 | Willy Rusch AG | Artificial respiration bag |
| US6098622 | 15. Okt. 1998 | 8. Aug. 2000 | NTC Technology Inc. | Airway valve to facilitate re-breathing, method of operation, and ventilator circuit so equipped |
| US6123674 | 15. Okt. 1998 | 26. Sept. 2000 | NTC Technology Inc. | Airway valve to facilitate re-breathing, method of operation, and ventilator circuit so equipped |
| US6352077 | 1. Mai 2000 | 5. März 2002 | | Film welded reservoir bag for breathing circuit and method of making the same |