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Class Information
Number: 600/540
Name: Surgery > Diagnostic testing > Respiratory > Measuring breath flow or lung capacity > Breath exhaled into or inhaled from expansible chamber
Description: Subject matter wherein breath flow or lung capacity is measured by breathing gas into or from an expansible chamber.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7207947 |
System and method for detecting circadian states using an implantable medical device |
Apr. 24, 2007 |
| 7055520 |
Device and method for detecting the flow of a gas |
Jun. 6, 2006 |
| 6915147 |
Sensing apparatus and process |
Jul. 5, 2005 |
| 6656129 |
Flow based incentive spirometer |
Dec. 2, 2003 |
| 6626845 |
Method and apparatus for measurement of in vivo air volumes |
Sep. 30, 2003 |
| 6532383 |
Apparatus and methods for detecting and processing EMG signals |
Mar. 11, 2003 |
| 6308705 |
Integrated lung therapy method |
Oct. 30, 2001 |
| 6238353 |
Incentive spirometer |
May. 29, 2001 |
| 6083141 |
Portable respiratory exercise apparatus and method for using the same |
Jul. 4, 2000 |
| 5868681 |
Device and a method for measuring the resistance of the respiratory tract |
Feb. 9, 1999 |
| 5839430 |
Combination inhaler and peak flow rate meter |
Nov. 24, 1998 |
| 5769070 |
Device for the treatment of asthmatic patients, suitable for measuring the peak expiratory flow rate and for delivering drugs used in the treatment of asthma |
Jun. 23, 1998 |
| 5565630 |
Peak flow meter |
Oct. 15, 1996 |
| 5560371 |
Instrument for measuring the peak flow during an exhalation |
Oct. 1, 1996 |
| 5540234 |
Peak flow meters |
Jul. 30, 1996 |
| 5454375 |
Pneumotachograph mask or mouthpiece coupling element for airflow measurement during speech or singing |
Oct. 3, 1995 |
| 5431154 |
Incentive metered dose inhaler |
Jul. 11, 1995 |
| 5211180 |
Respiratory test apparatus |
May. 18, 1993 |
| 4973047 |
Therapeutic device for lung exercise |
Nov. 27, 1990 |
| 4706685 |
Spirometer with double rolling seals |
Nov. 17, 1987 |
| 4693256 |
Respiratory device |
Sep. 15, 1987 |
| 4671298 |
Isothermal rebreathing apparatus and method |
Jun. 9, 1987 |
| 4499905 |
Apparatus for measuring human respiration |
Feb. 19, 1985 |
| 4462410 |
Spirometer |
Jul. 31, 1984 |
| 4425923 |
Incentive spirometer with automatic levelling |
Jan. 17, 1984 |
| 4391283 |
Incentive spirometer |
Jul. 5, 1983 |
| 4368661 |
Control valve for brake booster |
Jan. 18, 1983 |
| 4350167 |
Respiratory exerciser |
Sep. 21, 1982 |
| 4307729 |
Optical digitizer for measuring spirometer output |
Dec. 29, 1981 |
| 4284083 |
Inhalation incentive device |
Aug. 18, 1981 |
| 4269196 |
Pediatric tidal volume indicator and ventilator adaptation |
May. 26, 1981 |
| 4221381 |
Respiratory exerciser |
Sep. 9, 1980 |
| 4210155 |
Inspirational inhalation spirometer apparatus |
Jul. 1, 1980 |
| 4171804 |
Respiratory exerciser and the like |
Oct. 23, 1979 |
| 4096855 |
Incentive spirometer |
Jun. 27, 1978 |
| 4041935 |
Device for breathing measurement |
Aug. 16, 1977 |
| 3985124 |
Spirometer |
Oct. 12, 1976 |
| 3958565 |
Ventilatory capacity measuring instrument |
May. 25, 1976 |
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