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
Front cover of an electronic device
Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming method, and image forming apparatus
System and method for managing self-refresh in a multi-rank memory
Strap-hook ring
Self-service administration of a database
Universal tablet and smartphone holder
Integrated circuit having a discrete capacitor mounted on a semiconductor die
  Randomly Featured Patents
Pharmaceutical formulations for sustained drug delivery
Intraocular transplantation of encapsulated cells
Pneumatic drifter with replaceable foot pieces
Electrical contact for ball grid array socket
Pyridine-4-carboxylic acid hydrazides for combatting phytopathogenic microorganisms and for regulating plant growth
Insert trim for garage door windows
Network-based wireless location system to position AMPs (FDMA) cellular telephones, part I
Method of and apparatus for detecting a current carrying conductor
Resin molded article and molding method thereof
Methods for up-regulating antigen expression in tumors