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
Tricyclic inhibitors of kinases
Image processing apparatus, image printing apparatus and printing data generation method
Serial transmission system including transmitter apparatus and receiver apparatus, for use in transmission of AV data
Device having built-in digital data device and light for insertion into a lamp holder
Image forming apparatus
Semiconductor device having a triple gate transistor and method for manufacturing the same
Method and system for routing telephony communications together with modified calling party identifier information
  Randomly Featured Patents
Copier display panel
Heat processing furnace and vertical-type heat processing apparatus
Outflow spouts of faucet sets
Image signal processing apparatus having a signal level corrector circuit
Method and apparatus for a livestock data collection and management system
Manually operated coupler
Manual locking clamp for piston paint pump
Thermally broken insulation support structure
Locking method and apparatus for multi-disk cartridge
Post chill decontamination tank