Resources Contact Us Home
Non-metallic precision fluid transfer devices

Image Number 3 for United States Patent #5454491.

A device for delivering precisely measured, minute quantities of liquid has no metal parts which contact the liquid. The device employs a barrel defining member with a bore which receives a polymer coated glass or ceramic fiber which functions as a piston. Fluid is drawn into and discharged from the bore via a needle in the form of a polymer coated glass or ceramic capillary tube.

  Recently Added Patents
Verification of a portable consumer device in an offline environment
Data processor with virtual machine management
Methods and devices for enforcing network access control utilizing secure packet tagging
Systems and methods for implementing multi-application tabs and tab sets
Automatic logical position adjustment of multiple screens
Boring machine
Shipping container explosives and contraband detection system using nuclear quadrupole resonance
  Randomly Featured Patents
Endoscopic device and method of use
Camera having zoom lens and variable illumination angle strobe
Method of making differential pressure operated electrical switch
Method of separating phenol from highly concentrated phenol solution
Display board
Treatment of AIDS-type disease
Use indicator
Laser-based cleaning device for film analysis tool
Color television camera incorporating a color resolving prism system
System for improving vascular blood flow