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Class Information
Number: 128/205.11
Name: Surgery > Respiratory method or device > Means for supplying respiratory gas under positive pressure > Means for varying air/oxygen ratio
Description: Subject matter including a means for varying the amount of oxygen added to air breathed by the user.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7621271 |
Device for the measurement of oxygen consumption |
Nov. 24, 2009 |
| 7617825 |
Closure device of a second-stage regulator for scuba divers |
Nov. 17, 2009 |
| 7604004 |
Personal oxygen concentrator |
Oct. 20, 2009 |
| 7597100 |
Ergonomic and adjustable respiratory mask assembly with vent cover |
Oct. 6, 2009 |
| 7588032 |
Oxygen conservation system for commercial aircraft |
Sep. 15, 2009 |
| 7568482 |
Exhaust port assembly for a pressure support system |
Aug. 4, 2009 |
| 7543584 |
Powered air purifying respirator system and breathing apparatus |
Jun. 9, 2009 |
| 7527054 |
Apparatus and method for controlling fraction of inspired oxygen |
May. 5, 2009 |
| 7504959 |
Gas monitoring using electrochemical cell and method of operating |
Mar. 17, 2009 |
| 7500481 |
Apparatus to assist a patient's breathing with a variable ramp period to rise to treatment pressure |
Mar. 10, 2009 |
| 7487774 |
Adaptive patient trigger threshold detection |
Feb. 10, 2009 |
| 7481216 |
Emergency oxygen system for aircraft passengers |
Jan. 27, 2009 |
| 7464709 |
Integrated regulator mount for a ventilator system |
Dec. 16, 2008 |
| 7464710 |
Manifold assembly for a ventilator system |
Dec. 16, 2008 |
| 7451763 |
Pneumatic shuttle valve for a ventilator system |
Nov. 18, 2008 |
| 7431032 |
Low power ambulatory oxygen concentrator |
Oct. 7, 2008 |
| 7431753 |
Oxygen enrichment apparatus |
Oct. 7, 2008 |
| 7396390 |
Oxygen enrichment apparatus |
Jul. 8, 2008 |
| 7387123 |
Gas identification system and volumetrically correct gas delivery system |
Jun. 17, 2008 |
| 7350521 |
Simplified dual mode medical oxygen concentrator |
Apr. 1, 2008 |
| 7343918 |
Breathing gas feed assembly for aircraft flight crew, and a stowage box for an emergency breathing mask |
Mar. 18, 2008 |
| 7335243 |
Modular biosafety containment apparatus and system |
Feb. 26, 2008 |
| 7320320 |
Determination of patency of the airway |
Jan. 22, 2008 |
| 7273051 |
Dual mode medical oxygen concentrator |
Sep. 25, 2007 |
| 7246620 |
System for monitoring pilot and/or passenger oxygen saturation levels and estimating oxygen usage requirements |
Jul. 24, 2007 |
| 7224285 |
Gas monitor using electrochemical cell and method of operating |
May. 29, 2007 |
| 7222624 |
Dual sensor oxygen therapy device |
May. 29, 2007 |
| 7222622 |
Gas-dispensing device with self-contained gas container having a diffusion membrane |
May. 29, 2007 |
| 7204249 |
Oxygen conserving device utilizing a radial multi-stage compressor for high-pressure mobile storage |
Apr. 17, 2007 |
| 7179322 |
Oxygen and nitrogen enriched atmospheres in aircraft |
Feb. 20, 2007 |
| 7159587 |
Respiratory mask having gas washout vent and gas washout vent assembly for respiratory mask |
Jan. 9, 2007 |
| 7156099 |
Nostril filtering system |
Jan. 2, 2007 |
| 7121276 |
Personal oxygen concentrator |
Oct. 17, 2006 |
| 7077133 |
Oxygen enriching apparatus, controller, and recording medium |
Jul. 18, 2006 |
| 7055780 |
Life support systems for aircraft |
Jun. 6, 2006 |
| 7017575 |
Oxygen supply apparatus, controller for the oxygen supply apparatus, and recording medium for the controller |
Mar. 28, 2006 |
| 7011092 |
Portable hypoxic apparatus |
Mar. 14, 2006 |
| 7004168 |
Face mask for gas monitoring during supplemental oxygen delivery |
Feb. 28, 2006 |
| 6997180 |
Breathing gas therapeutic method and apparatus |
Feb. 14, 2006 |
| 6994086 |
Standby regulator for breathing system |
Feb. 7, 2006 |
| 6990980 |
Carbon dioxide-based Bi-level CPAP control |
Jan. 31, 2006 |
| 6983750 |
Method for indicating the amount of ventilation inhomogeneity in the lung |
Jan. 10, 2006 |
| 6949133 |
Portable oxygen concentrator |
Sep. 27, 2005 |
| 6948498 |
Process and installation for the distribution of air enriched in oxygen to passengers of an aircraft |
Sep. 27, 2005 |
| 6923180 |
Oxygen conserving device utilizing a radial multi-stage compressor for high-pressure mobile storage |
Aug. 2, 2005 |
| 6910483 |
Double-ended blower and volutes therefor |
Jun. 28, 2005 |
| 6874500 |
Breathing circuits having unconventional respiratory conduits and systems and methods for optimizing utilization of fresh gases |
Apr. 5, 2005 |
| 6871645 |
Reduced-oxygen breathing device |
Mar. 29, 2005 |
| 6851425 |
Exhaust port assembly for a pressure support system |
Feb. 8, 2005 |
| 6837244 |
Oxygen enriching apparatus, controller for the oxygen enriching apparatus, and recording medium for the controller |
Jan. 4, 2005 |
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