Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Communication joint for use in a well










Image Number 4 for United States Patent #4623020.

A communication joint for use in a well is disclosed. The communication joint includes a one-piece tubular body having an exterior surface adapted to form a slidable fluid seal with a wellhead member of the well. The tubular body includes first and second fluid conduits extending axially along and positioned in the tubular body, each conduit providing a fluid passageway independent of the other fluid conduit. Preferably, the first and second fluid conduits extend axially above and below the exterior surface of the body.








 
 
  Recently Added Patents
Substrate and patterning device for use in metrology, metrology method and device manufacturing method
Droplet generation and detection device, and droplet control device
Electron beam manipulation system and method in X-ray sources
Stabilised prostaglandin composition
Plants and seeds of corn variety CV294874
Wafer-level chip scale package
Multi-radio coexistence
  Randomly Featured Patents
Liquid crystal display device
Coupled electrical connector assembly
Protective face shield lens
Silanol-containing triarylamine derivatives
Communications switch permitting transparent maintenance of switch control system
Derivative of aspirin
Coupling apparatus for coupling blade protector to tool body of gardening tool
Chest
Work handling mechanism and work inspection system
Exhaust nozzle actuation assembly