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
Hydrothermal synthesis of nanocubes of sillenite type compounds for photovoltaic applications and solar energy conversion of carbon dioxide to fuels
Method for programming non-volatile memory device and apparatuses performing the method
Heat retaining device
Flood protection apparatus and container data center including the same
Use of a high-oleic and high-tocol diet in combination with a non-tocol antioxidant for improving animal meat quality
Image sensor and method for fabricating the same
Information processing apparatus, information processing method, and program
  Randomly Featured Patents
Apparatus and method for starting a diesel engine using plasma ignition plugs
Dynamic modification of Xpath queries
Automatic die driving amount correction method
Web address converter for dynamic web pages
Method for improved anti-lock braking control for all-wheel drive vehicles having a viscous coupling or a viscous lock
Optical modulator with pixelization patterns
Process for producing semiconductor article using graded epitaxial growth
Methods of two-sided printing
Fixed position ZIF (zero insertion force) socket system
Zoom lens and image taking system having the same