Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Control system for shifting an automatic transmission
Cylindrical lithium secondary battery comprising a contoured center pin
Display screen with graphical user interface
Optical imaging device and imaging method for microscopy
Note tab
Securing information by hiding identity on a computing device
Reception method and reception apparatus
  Randomly Featured Patents
Accessories for pivoted power column
Mechanism for comparing two registers and storing the result in a general purpose register without requiring a branch
Bowl
Counterflow insect trap
Session key recovery system and method
Holder for soldering a flexible circuit board to a substrate
System, decoder and method for transmitting, receiving and decoding high-speed digital data signals with reduced electromagnetic emissions
Rotor assembly for power tong
Surface treatment method using electric discharge, and an electrode for the surface treatment method
Surgical instrument with force-feedback capabilities