Resources Contact Us Home
Three-way pneumatic valve system

Image Number 3 for United States Patent #5738520.

The system is adapted for use with a portable dental delivery system and provides a selector for activating one of two handpieces. When one of the handpieces is to be activated, the supporting base is lifted from its wheels by a pneumatic support assembly that is controlled by the same valve system.

  Recently Added Patents
Identification of protected content in e-mail messages
Pharmaceutical compositions of entacapone, levodopa and carbidopa with improved bioavailability
Semiconductor device having a triple gate transistor and method for manufacturing the same
Systems and methods for restoring images
Scattering spectroscopy employing hotspot-aligned nanopores
Oscillator circuit which compensates for external voltage supply, temperature and process
Anti-infective derivatives, method for the production thereof, pharmaceutical compositions containing same and uses of said derivatives in treatment
  Randomly Featured Patents
Subscriber's circuit for time division switching system
Inflatable recreational vehicle
Protective capacity control system for a refrigeration system
Method of fabricating a decorative knife handle
Compression of color images based on a 2-dimensional discrete wavelet transform yielding a perceptually lossless image
Audio reproduction device
Furnace crown means and method
Culinary peeler
Container inspection machine
Releasably connecting power packs to electrical appliances