Resources Contact Us Home
Pressure-responsive valve

Image Number 5 for United States Patent #4620648.

A pressure-responsive valve exhibiting unusual restoring force includes an elastically deformable diaphragm having a plurality of non-intersecting, non-meeting, separate arcuate slits, each slit having a base which is intersected by at least one other slit, and each slit being out of intersecting relation with its own base.

  Recently Added Patents
Solar cell using polymer-dispersed liquid crystals
Secure data entry device
Block copolymer nanoparticle compositions
Electronic device assemblies
System for highlighting targets on head up displays with near focus plane
Method and apparatus for determining the altitude of a mobile device
High voltage circuit for electrical stimulation
  Randomly Featured Patents
Apparatus for producing nano-particles of molybdenum oxide
Process for preparing silacyclohexane-base liquid crystal compounds
Method of making an EPROM memory cell
Method and apparatus including special programming mode circuitry which disables internal program verification operations by a memory
Permutation lock
Hydraulic remote for a medical fluid injector
Systems and methods for business network management discovery and consolidation
Cabinet for accepting electrical and electronic components
Portable woodworking device
Pre-conditioning against cell death