Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Automated incorporation of expert feedback into a monitoring system
Web-based royalty system and user interface
Methods for predicting cardiac toxicity
Process for preparing substituted aromatic carboxylic acids
Highly stable electrolytic water with reduced NMR half line width
Dynamic reconstruction of a calibration state of an absorption spectrometer
Mobile communication apparatus
  Randomly Featured Patents
Transmission control protocol
Diphenylbenzofuran compounds
Beverage enhancer
Vanity case
Golf club head that optimizes products of inertia
Method for treating digital data
Exercise device
Method of treating paper forming wire surface
Circuits for sensing current levels within lighting apparatus
Magnetic recording medium having novel underlayer structure