Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Drainage valve pipe tap assembly










Image Number 4 for United States Patent #6681796.

A drainage valve tap assembly for connection of a branch line to a main line while simultaneously forming a freeze proof drain comprising a hollow body having a first end and a second end, a cutting tube attached to the first end of the body; a handle having a hollow interior, the handle attached to the second end of the body for rotating the body; and a resilient drain plug extending at least partially in the body for blocking off the flow of water therethrough under a water pressure and for allowing the draining of water therethrough and out of the drainage valve when the water pressure is cut-off.








 
 
  Recently Added Patents
Formulations, their use as or for producing dishwashing detergents and their production
Field device for determining or monitoring a physical or chemical process variable
Wrench head
Shape based similarity of continuous wave doppler images
Medicament delivery device and a method of medicament delivery
Method of using nutritional compounds dihydroquercetin (taxifolin) and arabinogalactan in combination with dihydroquercetin (taxifolin) to reduce and control cardiometabolic risk factors assoc
Shoe bag
  Randomly Featured Patents
Multilayer resonator and multilayer filter
Aircraft landing gear manual release assembly
Board game
Air compressor
Zero crossing detection of an ultrasonic signal with variable threshold value
Process for producing flexible polyester foam
Vortex generator-sensor with noise cancelling transducer
Brazing method utilizing metallic porous materials
Method to transfer information between data storage devices
Electric lamp with tin or lead alloy plug for lead-in