Breathing apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 3, 2008
Grant Date -
Feb 3, 2005
app pub date -
Sep 3, 2004
filing date -
Mar 21, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An improvement to a combination of an SCBA system for providing bottled air to a user and a PAPR system for purifying ambient air for use by a user wherein a sensor is included to determine the oxygen content of the breathing gas and the presence of contaminations in the atmosphere to control operation of the two systems depending on the contaminated condition of the ambient air and the oxygen content of the ambient air.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully