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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 |
| 5099835 |
Lightweight breathing device |
Mar. 31, 1992 |
| 5097826 |
Pressure monitoring device for self-contained breathing apparatus |
Mar. 24, 1992 |
| 5092325 |
Scuba breathing apparatus |
Mar. 3, 1992 |
| 5080093 |
Intermittant signal actuated nebulizer |
Jan. 14, 1992 |
| 5076267 |
Closed circuit breathing device with pressure sensing means |
Dec. 31, 1991 |
| 5074298 |
Gas flow control system |
Dec. 24, 1991 |
| 5074299 |
Monitor for controlling the flow of gases for breathing during inhalation |
Dec. 24, 1991 |
| 5070872 |
Metering device for a lung-demand valve |
Dec. 10, 1991 |
| 5070871 |
Anaesthetic valve for converting between Mapleson `A` and `D` systems |
Dec. 10, 1991 |
| 5065746 |
Expiration valve control arrangement for a ventilating apparatus |
Nov. 19, 1991 |
| 5063925 |
Controllable expiration valve arrangement for a ventilating apparatus |
Nov. 12, 1991 |
| 5052383 |
Device for supplying breathing gas to a diver |
Oct. 1, 1991 |
| 5052400 |
Method and apparatus for using an inhalation sensor for monitoring and for inhalation therapy |
Oct. 1, 1991 |
| 5048515 |
Respiratory gas supply apparatus and method |
Sep. 17, 1991 |
| 5042473 |
Demand valve for a respirator |
Aug. 27, 1991 |
| 5040529 |
Process for artificial ventilation for assisting the volumetric breathing of a patient |
Aug. 20, 1991 |
| 5038770 |
Fail-safe systems for respirating gas delivery devices |
Aug. 13, 1991 |
| 5038774 |
Process and expander for supplying respiratory gas to an underwater diver |
Aug. 13, 1991 |
| 5035238 |
Regulator second stage for scuba |
Jul. 30, 1991 |
| 5027809 |
"Peeper" performance hand held nebuilizer attachment with adjustability of expiratory pressures and expiratory restriction |
Jul. 2, 1991 |
| 5016626 |
Ventilators for promoting lung function |
May. 21, 1991 |
| 5002050 |
Medical gas flow control valve, system and method |
Mar. 26, 1991 |
| 4989599 |
Dual lumen cannula |
Feb. 5, 1991 |
| 4986269 |
Respiration therapy apparatus |
Jan. 22, 1991 |
| 4971049 |
Pressure sensor control device for supplying oxygen |
Nov. 20, 1990 |
| 4971108 |
Inhalation responsive gas pressure regulator |
Nov. 20, 1990 |
| 4971050 |
Open circuit emergency breathing apparatus and pressure demand valve therefor |
Nov. 20, 1990 |
| 4964404 |
Breathing apparatus |
Oct. 23, 1990 |
| 4941468 |
Regulator for breathing apparatus |
Jul. 17, 1990 |
| 4938211 |
Breathing apparatus |
Jul. 3, 1990 |
| 4939647 |
Re-breather diving unit with oxygen adjustment for decompression optimization |
Jul. 3, 1990 |
| 4932401 |
Two-gas variable ratio, variable dose, metering system and method of use |
Jun. 12, 1990 |
| 4932402 |
Inspiration oxygen saver |
Jun. 12, 1990 |
| 4928686 |
Lightweight breathing device |
May. 29, 1990 |
| 4898174 |
Automatic ventilator |
Feb. 6, 1990 |
| 4889115 |
Air regulator for breathing apparatus |
Dec. 26, 1989 |
| 4877023 |
Apparatus for artificial ventilation for assisting the volumetric breathing of a patient |
Oct. 31, 1989 |
| 4873971 |
Method and means for dispensing respirating gases by effecting a known displacement |
Oct. 17, 1989 |
| 4862884 |
Regulator second stage for scuba |
Sep. 5, 1989 |
| 4856507 |
Two main piloted valves demand regulator for aviators |
Aug. 15, 1989 |
| 4848332 |
Device for controlling the pressure of a fluid and injection system for this fluid employing this device |
Jul. 18, 1989 |
| 4841953 |
Auxiliary supply system for a portable self-contained breathing apparatus |
Jun. 27, 1989 |
| 4834086 |
Pressure-regulating device for the second stage of reduction of an air breathing apparatus |
May. 30, 1989 |
| 4832013 |
Portable underwater breathing apparatus |
May. 23, 1989 |
| 4827922 |
Process and device for supplying respiratory oxygen |
May. 9, 1989 |
| 4821767 |
Pressure regulator |
Apr. 18, 1989 |
| 4821712 |
Breathing apparatus |
Apr. 18, 1989 |
| 4819626 |
Contamination prevention device for diver's breathing apparatus |
Apr. 11, 1989 |
| 4811732 |
Protective breathing apparatus having breathing air circulation |
Mar. 14, 1989 |
| 4803978 |
Apparatus for actuating an inhaler |
Feb. 14, 1989 |
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