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Class Information
Number: 128/204.26
Name: Surgery > Respiratory method or device > Means for supplying respiratory gas under positive pressure > Gas supply means responsive to breathing
Description: Subject matter wherein the gas supply means is responsive to the user’s breathing.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4437460 |
Breathing apparatus |
Mar. 20, 1984 |
| 4436090 |
Piston actuated, pilot valve operated breathing regulator |
Mar. 13, 1984 |
| 4433685 |
Pressure demand regulator with automatic shut-off |
Feb. 28, 1984 |
| 4423723 |
Closed cycle respirator with emergency oxygen supply |
Jan. 3, 1984 |
| 4414982 |
Apneic event detector and method |
Nov. 15, 1983 |
| 4411285 |
Demand valve |
Oct. 25, 1983 |
| 4401115 |
Respirator appliances |
Aug. 30, 1983 |
| 4396015 |
Medication control device for use in treating lungs |
Aug. 2, 1983 |
| 4386624 |
Pilot controlled regulator second stage |
Jun. 7, 1983 |
| 4381002 |
Fluidic-controlled oxygen intermittent demand flow device |
Apr. 26, 1983 |
| 4378795 |
Fluid connector assembly |
Apr. 5, 1983 |
| 4378011 |
Lung controlled pressure gas respirator for use with an oxygen mask and valving mechanism therefor |
Mar. 29, 1983 |
| 4374521 |
Squeeze bag type resuscitator apparatus |
Feb. 22, 1983 |
| 4361145 |
Respirator mask |
Nov. 30, 1982 |
| 4356820 |
Heat reclaimer for demand regulator |
Nov. 2, 1982 |
| 4345593 |
Pressure-demand breathing apparatus with automatic air shut-off |
Aug. 24, 1982 |
| 4345592 |
Pressure demand regulator with automatic shut-off |
Aug. 24, 1982 |
| 4340045 |
Lung ventilator |
Jul. 20, 1982 |
| 4337766 |
Valves |
Jul. 6, 1982 |
| 4335735 |
Automatic diluter/demand oxygen regulator adapted for chemical or biological use |
Jun. 22, 1982 |
| 4334532 |
Valves and breathing apparatus incorporating such valves |
Jun. 15, 1982 |
| 4331140 |
Shuttle valve |
May. 25, 1982 |
| 4328798 |
Breathing apparatus with connector system for supplying emergency air to another individual |
May. 11, 1982 |
| 4306584 |
Diaphragm for a breath-controlled dosaging valve |
Dec. 22, 1981 |
| 4304229 |
Underwater-breathing device |
Dec. 8, 1981 |
| 4297998 |
Pilot controlled regulator second stage |
Nov. 3, 1981 |
| 4289126 |
Pressure regulator for breathing apparatus |
Sep. 15, 1981 |
| 4278110 |
Demand responsive flow controller |
Jul. 14, 1981 |
| 4276877 |
Respiratory method and apparatus |
Jul. 7, 1981 |
| 4274404 |
Oxygen supply system controlled by user exhalation |
Jun. 23, 1981 |
| 4273120 |
Underwater breathing apparatus |
Jun. 16, 1981 |
| 4269216 |
Pressure demand valve system |
May. 26, 1981 |
| 4266539 |
Carbon dioxide scrubber and gas regenerator unit for a closed circuit rebreathing apparatus |
May. 12, 1981 |
| 4266538 |
Pressure regulator |
May. 12, 1981 |
| 4256101 |
Thermistor assist sensing |
Mar. 17, 1981 |
| 4253455 |
Breathing valve assembly with diaphragm control of the exhaust ports |
Mar. 3, 1981 |
| 4245632 |
Underwater breathing apparatus |
Jan. 20, 1981 |
| 4240419 |
Breathable gas delivery regulators |
Dec. 23, 1980 |
| 4230097 |
Breathing and acceleration protection apparatus for aircraft crew members |
Oct. 28, 1980 |
| 4227521 |
Air system for scuba diving |
Oct. 14, 1980 |
| 4224938 |
Balanced second stage for a two stage demand regulator |
Sep. 30, 1980 |
| 4219017 |
Pilot regulator |
Aug. 26, 1980 |
| 4214580 |
Breathing apparatus |
Jul. 29, 1980 |
| 4211221 |
Respirator |
Jul. 8, 1980 |
| 4211220 |
Diving helmet assembly |
Jul. 8, 1980 |
| 4207884 |
Pressure controlled breathing apparatus |
Jun. 17, 1980 |
| 4206754 |
Lung ventilators |
Jun. 10, 1980 |
| 4204535 |
Lightweight resuscitator assembly |
May. 27, 1980 |
| 4197843 |
Volume limiting ventilator |
Apr. 15, 1980 |
| 4197841 |
Respirator with protective cover |
Apr. 15, 1980 |
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