Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Non-orienting tree cap










Image Number 4 for United States Patent #7621338.

A wellhead assembly includes a tree cap having a production mandrel extending down into a production passage of a Christmas tree to form a seal. The tree has an annulus bore and an annular cavity at the upper end of the tree surrounding the upper ends of the production and annulus bore. A communication gallery leads between the annulus bore and the cavity. The tree cap also includes an annular sealing member that enters the cavity for sealing a communication gallery.








 
 
  Recently Added Patents
System and method for stranded file opens during disk compression utility requests
Image processing device, printing apparatus, image processing method, and method of producing printing apparatus
Method and apparatus for variable accuracy inter-picture timing specification for digital video encoding
Image sensor with improved color crosstalk
Electromagnetic bandgap structure and printed circuit board
(4938
Image processing apparatus, image printing apparatus and printing data generation method
  Randomly Featured Patents
Integrated-services radio transmission system
Area efficient column select circuitry for 2-bit non-volatile memory cells
Break apart power connector
Method and apparatus for retrofitting a patient call system
Device for keeping a constant number of bobbin tubes in circulation between a spinning machine and a winding machine
High security lock mechanism
System and method for restarting an engine
Peptide antagonists of TGF-beta family members and therapeutic uses thereof
Package for dispensing and storing of surgical medical devices and methods related thereto
Method and apparatus for improved regulation of flow of particulate matter