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Class Information
Number: 128/205.18
Name: Surgery > Respiratory method or device > Means for supplying respiratory gas under positive pressure > Gas supplied by piston pump
Description: Subject matter wherein the respiratory gas is supplied by a pump comprising a piston movable within a cylinder.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7459008 |
Method and system of operating a trans-fill device |
Dec. 2, 2008 |
| 7431032 |
Low power ambulatory oxygen concentrator |
Oct. 7, 2008 |
| 7302948 |
Fluid dispensing device |
Dec. 4, 2007 |
| 7222623 |
Portable drag compressor powered mechanical ventilator |
May. 29, 2007 |
| 7219667 |
Hand press type rapid positioning first-aid device with cardiopulmonary resuscitation |
May. 22, 2007 |
| 7000610 |
High frequency oscillator ventilator |
Feb. 21, 2006 |
| 6986351 |
System and elements for managing therapeutic gas administration to a spontaneously breathing non-ventilated patient |
Jan. 17, 2006 |
| 6923180 |
Oxygen conserving device utilizing a radial multi-stage compressor for high-pressure mobile storage |
Aug. 2, 2005 |
| 6910484 |
Constant pressure generator |
Jun. 28, 2005 |
| 6877511 |
Portable drag compressor powered mechanical ventilator |
Apr. 12, 2005 |
| 6837243 |
Automatic transfer regulator for hose-line respirator |
Jan. 4, 2005 |
| 6805122 |
Oxygen conserving device utilizing a radial multi-stage compressor for high-pressure mobile storage |
Oct. 19, 2004 |
| 6789540 |
Respirator |
Sep. 14, 2004 |
| 6679259 |
Process for controlling a respirator |
Jan. 20, 2004 |
| 6637433 |
Gas forwarding apparatus for respiration and narcosis devices |
Oct. 28, 2003 |
| 6467478 |
Gas mixing apparatus for a ventilator |
Oct. 22, 2002 |
| 6412483 |
Oxygen blending in a piston ventilator |
Jul. 2, 2002 |
| 6397843 |
Electrical and manual pressing device of automated air blowing for first-aid cardiopulmonary resuscitation |
Jun. 4, 2002 |
| 6397844 |
Respiration apparatus |
Jun. 4, 2002 |
| 6302107 |
Apparatus and method for forming oxygen-enriched gas and compression thereof for high-pressure mobile storage utilization |
Oct. 16, 2001 |
| 6263873 |
Bellows arrangement for a ventilator/anesthesia system |
Jul. 24, 2001 |
| 6234170 |
Gas pressure generator |
May. 22, 2001 |
| 6216691 |
Mounting body |
Apr. 17, 2001 |
| 6202645 |
Control valve actuated by low-pressure and low-flow rate control fluid |
Mar. 20, 2001 |
| 6142150 |
Compliance compensation in volume control ventilator |
Nov. 7, 2000 |
| 6123072 |
Method and apparatus for breathing during anesthesia |
Sep. 26, 2000 |
| 6116242 |
Oxygen-conserving regulator assembly |
Sep. 12, 2000 |
| 6116240 |
Gas mixing apparatus for a ventilator |
Sep. 12, 2000 |
| 6082357 |
Mechanical ventilator |
Jul. 4, 2000 |
| 6076523 |
Oxygen blending in a piston ventilator |
Jun. 20, 2000 |
| 6009871 |
Ventilating apparatus |
Jan. 4, 2000 |
| 5918597 |
Peep control in a piston ventilator |
Jul. 6, 1999 |
| 5915382 |
Piston based ventillator |
Jun. 29, 1999 |
| 5823185 |
Manual pressing and automatic air breathing cardiopulmonary resuscitation first-aid device |
Oct. 20, 1998 |
| 5755223 |
Delivery device for a respirator |
May. 26, 1998 |
| 5704346 |
High frequency oscillatory ventilator |
Jan. 6, 1998 |
| 5673689 |
Piston based ventilator |
Oct. 7, 1997 |
| 5666947 |
Formation and delivery of an atomized liquid |
Sep. 16, 1997 |
| 5664560 |
Gas mixing apparatus for a ventilator |
Sep. 9, 1997 |
| 5662100 |
Eductive pressure regulator |
Sep. 2, 1997 |
| 5657751 |
Cardiopulmonary resuscitation unit |
Aug. 19, 1997 |
| 5540222 |
Piston-based ventilator design and operation |
Jul. 30, 1996 |
| 5531221 |
Double and single acting piston ventilators |
Jul. 2, 1996 |
| 5520172 |
Anesthetic machine |
May. 28, 1996 |
| 5509406 |
Anesthesia device |
Apr. 23, 1996 |
| 5253640 |
Process for the calibration of a flow sensor in a respiratory system |
Oct. 19, 1993 |
| 5166563 |
Magnetically actuated linear displacement compressor |
Nov. 24, 1992 |
| 5092327 |
Diving equipment powered by a diver's exertion |
Mar. 3, 1992 |
| 5086767 |
Ventilator for assisting the breathing of a patient |
Feb. 11, 1992 |
| 5065753 |
Air-moisture generation system |
Nov. 19, 1991 |
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