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
Neuronal differentiation-inducing peptide and use thereof
(4938
Opioid-nornicotine codrugs combinations for pain management
Quantum dot template for fast and simultaneous detection of different infectious agents
Semiconductor integrated circuit
Method and device for managing devices in device management system
Anti-phishing system and method
  Randomly Featured Patents
Printer
Tire
Fowl defeathering apparatus
Method for forming heat exchangers
Managing traffic within a data communication network
Optical coupling device for biomicroscope
Device manufacturing method and a lithographic apparatus
Friction welding temperature measurement and process control system
Plural belt document feeder
Memory cell with self-aligned floating gate and separate select gate, and fabrication process