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
Method for treating wounds for mammals, wound healer compound, and method of manufacturing thereof
Polymer bonded fibrous coating on dipped rubber articles skin contacting external surface
Semiconductor device and method of manufacturing the same
Methods and systems for automated backups and recovery on multi-os platforms using controller-based snapshots
Detection of code-based malware
Stable light source device
Method and apparatus for controlling power supply
  Randomly Featured Patents
Internal insulation for liquefied gas tank
Imager apparatus
Optical disk device capable of accessing a plural different types of optical disks
Connection between the lower edge of a motor vehicle windshield and a water deflector
Method for engaging with a projection of a first component to removably secure a second component to the first component
Liquid crystal display device and fabrication method thereof
Compliant hydrodynamic fluid bearing with resilient support matrix
Photographing and measuring a territorial radiation field
Method and apparatus for auto-tracking and compensating clock frequency
Silicon carbide imprint stamp