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 Soluble solid hair coloring article Injector system for encoding and sensing of syringe information Ranking importance of symbols in underlying grouped and differentiated files based on content NROM memory cell, memory array, related devices and methods Accessory holder system for mounting to a golf ball holder in a golf cart Negative active material for lithium secondary battery and negative electrode and lithium secondary battery comprising same Nucleic acids of Pichia pastoris and use thereof for recombinant production of proteins   Randomly Featured Patents Flag Pool cover assembly Device and method for sensing water and/or acid in the presence of water in non-aqueous media Cooker support system Apparatus for controlling mobile equipment Method and apparatus for the destruction of imported fire ants of the genus Solenopsis Videoconference system Glassmastering photoresist read after write method and system Buckle Adjustable shoulder belt © 2006-2008 PatentGenius. All Rights Reserved.