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
Antibodies to non-functional P2X.sub.7 receptor
Method and apparatus for power management control of an embedded memory having sleep and shutdown features
Display device and method of manufacturing the same
Method for making an abrasion-resistant steel plate and plate obtained
Catheter with multiple electrode assemblies for use at or near tubular regions of the heart
Three-term predictive adder and/or subtracter
Printer driver, printer control method, and recording medium
  Randomly Featured Patents
Thermosensitive gradation printer
Method of treatment with a combination of a PDE4 inhibitor and a leukotriene antagonist
Reusable non-pyrotechnic countermeasure dispenser cartridge for aircraft
Desiccant based humidification/dehumidification system
Polynucleotides encoding prostatic growth factor and process for producing prostatic growth factor polypeptides
Method and apparatus for a cached video hardware cursor
Nonvolatile memory device and method of operation to program/read data by encoding/decoding using actual data and random data for program/read operation
Dual subcoated simulated capsule medicament