Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Tubular filtration apparatus










Image Number 6 for United States Patent #6799686.

An expandable well screen has a desirable thin-wall construction together with a simplified fabrication method. In fabricating the screen, a flexible sheet of metal mesh filter media is diffusion bonded to an inner side of a perforated metal sheet which is then deformed to a tubular shape to form a filter structure having an outer perforated tubular shroud interiorly lined with the filter media. The tubular filter structure is telescoped onto a perforated base pipe and has its opposite ends sealingly secured thereto to complete the expandable well screen.








 
 
  Recently Added Patents
Pattern forming method using printing device and method of manufacturing liquid crystal display device using the same
Thwarting keyloggers using proxies
Target trading system and method
Method for treating wounds for mammals, wound healer compound, and method of manufacturing thereof
Collating device, collating method, and program
Method for configuring analog-to-digital converter keys and non-transitory machine readable medium storing program code executed for performing such method
Generation of interpolated samples for decision based decoding
  Randomly Featured Patents
Offset, series connected current limiting fuse and expulsion fuseholder assembly for opengate cutout
Pallet disassembling method and apparatus
Apparatus for the surface coating of glue
Low deviation pressure relief valve for fuel pumps
Image forming material
Adjustable boss
Shift register, and solid state image sensor and camera using shift register
Transfer of high resolution toned images to rough papers
Measuring device
Method and apparatus for multi-directional fiber optic connection