Resources Contact Us Home
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
Serving base station selection based on backhaul capability
Dye-sensitized solar cell, dye-sensitized solar cell module, and coating liquid for forming electrolyte layer
Dual work function recessed access device and methods of forming
Pixel structure of a solid-state image sensor employing a charge sorting method
Pharmaceutical dosage form
Planarizing agents and devices
  Randomly Featured Patents
Amplifier selector for magnetic resonance imaging machine
Method and computer for experimental design
Mount adjustable end cap clamp lock for lighting systems
Process for producing ammonium thiosulfate
User interface for a portion of a display screen
Text protection device and related motion adaptive de-interlacing device
Compact zoom lens system and digital camera using the compact zoom lens system
Manufacture of .alpha.-haloalkylcarbamyl halides
Angiotensin II antagonists
Scroll fluid machine comprising compressing and expanding sections