Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Swing check valve










Image Number 7 for United States Patent #4872479.

A swing check valve having a readily replaceable valve seat and having a cage surrounding the disc in the final closing movement of the disc sized to guide the disc evenly onto the seat.








 
 
  Recently Added Patents
Systems and methods for controlling registration of advancing substrates in absorbent article converting lines
Generating a representation of an object of interest
Rotation angle detecting device
Electrophoresis display having touch screen and method for driving the touch screen
Agents for preventing and treating disorders involving modulation of the ryanodine receptors
Display apparatus having a semi-penetration layer and a sealing unit
Hot-press cushion material and manufacturing method of the same
  Randomly Featured Patents
Filtration apparatus
Hardware arrangement and method of driving a piezoelectric transformer
Nitrate salts of antihypertensive medicines
Image capturing apparatus
System and method for reducing voltage overshoot during load release within a buck regulator
Semiconductor memory device with increased bandwidth
Demagnetizing a head in a disk drive by increasing the frequency of an AC write signal while maintaining the write current amplitude
Method and apparatus for displaying multiple subtitles using sub-picture processing
Marker for alignment of non-transparent gate layer, method for manufacturing such a marker, and use of such a marker in a lithographic apparatus
Illumination field blending for use in subtitle projection systems