|
| US3949934 | 24. Mai 1974 | 13. Apr. 1976 | | Container having a valve movable between one-way flow and closed positions |
| US3954121 | 17. März 1975 | 4. Mai 1976 | The Weatherhead Company | Vent check valve |
| US4036919 | 17. Dez. 1975 | 19. Juli 1977 | Inhalation Therapy Equipment, Inc. | Nebulizer-humidifier system |
| US4039639 | 10. Apr. 1975 | 2. Aug. 1977 | Richard L. Kankel | Liquid entraining system of the humidifier and nebulizer type |
| US4051847 | 24. Okt. 1975 | 4. Okt. 1977 | | Anesthesia rebreathing apparatus |
| US4134940 | 25. Okt. 1977 | 16. Jan. 1979 | Aerwey Laboratories, Inc. | Humidifier adapter with audio relief valve |
| US4142677 | 27. Juni 1977 | 6. März 1979 | Tom McGuane Industries, Inc. | Fuel vapor vent valve |
| US4149556 | 26. Sept. 1978 | 17. Apr. 1979 | Respiratory Care, Inc. | Tubular connector having audible relief valve |
| US4210173 | 6. Sept. 1978 | 1. Juli 1980 | American Hospital Supply Corporation | Syringe pumping system with valves |
| US4244378 | 30. Mai 1978 | 13. Jan. 1981 | The West Company | Pressure responsive one-way valve for medical systems |
| US4286628 | 21. Juni 1979 | 1. Sept. 1981 | Nypro, Inc. | Control of fluid flow using longitudinally movable disc |
| US4317456 | 10. März 1980 | 2. März 1982 | Becton, Dickinson and Company | Multiple sample needle with anti-backflow valve |
| US4338267 | 17. Nov. 1980 | 6. Juli 1982 | Becton, Dickinson and Company | Medical gas humidifier with audible pressure relief valve and method of use |
| US4350647 | 19. Juni 1981 | 21. Sept. 1982 | Respiratory Care, Inc. | Permanent adapter for a medical humidifier |
| US4369812 | 18. Febr. 1981 | 25. Jan. 1983 | Nypro Inc. | Control of fluid flow using precisely positioned disc |
| US4415003 | 27. Aug. 1981 | 15. Nov. 1983 | Nypro Inc. | Control of fluid flow using a flexible disc |
| US4556086 | 26. Sept. 1984 | 3. Dez. 1985 | Burron Medical Inc. | Dual disc low pressure back-check valve |
| US4615693 | 27. März 1984 | 7. Okt. 1986 | Nypro Inc. | Administration of fluids |
| US4681132 | 23. Mai 1986 | 21. Juli 1987 | Halkey-Roberts Corporation | Check valve with preset cracking pressure |
| US4749003 | 22. Jan. 1987 | 7. Juni 1988 | Filtertek, Inc. | Center flow check valve |
| US4762149 | 25. Nov. 1987 | 9. Aug. 1988 | | Double seal press assembled check valve |
| US4765372 | 17. Juni 1983 | 23. Aug. 1988 | Illinois Tool Works Inc. | Check valve |
| US4915879 | 28. Juni 1989 | 10. Apr. 1990 | Automatic Liquid Packaging, Inc. | Signal coupling for humidifier container |
| US4966199 | 8. Juni 1989 | 30. Okt. 1990 | Filtertek, Inc. | Diaphragm-type center flow check valve |
| US5039401 | 21. Sept. 1990 | 13. Aug. 1991 | Eastman Kodak Company | Blood collection and centrifugal separation device including a valve |
| US5971723 | 13. Jan. 1998 | 26. Okt. 1999 | KNF Flodos AG | Dosing pump |
| US6021961 | 6. März 1998 | 8. Febr. 2000 | Flexible Products Company | Crossover-resistant plural component mixing nozzle |
| US6062248 | 5. Aug. 1998 | 16. Mai 2000 | | Fluid flow-sensor and valve |
| US6409707 | 8. Aug. 2000 | 25. Juni 2002 | Industrie Borla Spa | Anti-siphon valve for medical infusion lines and the like |
| US6568557 | 12. März 2001 | 27. Mai 2003 | Cosco Management, Inc. | Spill proof training cup |
| US7475864 | 31. Mai 2006 | 13. Jan. 2009 | Osamu Kawai Compac Japan Ltd. | Deflation valve for compression bag and compression bag equipped with the deflation valve |
| US7721763 | 8. Jan. 2008 | 25. Mai 2010 | | Adjustable pressure relief valve |
| US7896401 | 6. März 2007 | 1. März 2011 | Smiths Medical ASD, Inc. | Respiratory gas humidifier adapter with pressure relief valve and audible signal generator |
| USRE30552 | 25. Juni 1979 | 24. März 1981 | Tom McGuane Industries, Inc. | Fuel vapor vent valve |