Resources Contact Us Home
Inhalation responsive gas pressure regulator

Image Number 7 for United States Patent #4971108.

A breathing apparatus forms a second stage of an inhalation responsive gas pressure regulator. The inhalation diaphragm is in the form of a cylinder within which an arcuate assembly is positioned, the arcuate assembly opening a valve for permitting the introduction of air from a second stage into the casing during inhalation.

  Recently Added Patents
Flexible lighting devices
Process and apparatus for producing composite material that includes carbon nanotubes
Methods of forming semiconductor devices having diffusion regions of reduced width
Vehicle display system or projection display for a motor vehicle, and calibration method
Electrical stimulation lead, system, and method
Lubricating oil compositions
Tube lighting fixture
  Randomly Featured Patents
Electronic battery tester
Handle for a beauty care appliance or the like
Upconversion fiber laser
Covered stent with encapsulated ends
Method for improving the oxidative stability of industrial fluids
Print medium, wristband, and method of creating a wristband
Radio resource management in wireless cellular networks having multihop relay stations
Current measuring device and telephone terminal using such a current measuring device
Electrical connecting device for inserting a male plug connector of an electronic component such as a fuse or relay
Device for course indication to aid in navigation