Resources
Contact Us
Home
Browse by:
INVENTOR
PATENT HOLDER
PATENT NUMBER
DATE
Browse by Category:
Main
>
Engineering
Class Information
Number:
137/489.3
Name:
Fluid handling
>
Line condition change responsive valves
>
Pilot or servo controlled
>
Fluid pressure type
>
Choked or throttled pressure type
> Loose fitting piston
Description:
Devices in which the unvalved passage is between the piston and the cylinder walls.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
6564827
Shut-off device for the filling device of a pressure tank
May. 20, 2003
4651768
Servovalve for pipe flange connection
Mar. 24, 1987
4366834
Back-flow prevention valve
Jan. 4, 1983
4192344
Automatic emergency stop apparatus against counter flow and counter fire of gas bodies
Mar. 11, 1980
3962884
Piloted freeze throttling valve
Jun. 15, 1976
3942333
Suction throttling valve
Mar. 9, 1976
Recently Added Patents
Process for preparing soybean curd using micronized solution of soybean curd
Using storage cells to perform computation
Verifiable service policy implementation for intermediate networking devices
Submersible remote smoke sensor
Method and device for evaluating evolution of tumoural lesions
Soybean cultivar BY0811143
Online data conversion technique using a sliding window
Randomly Featured Patents
Apparatus and method of detecting interfaces between well fluids
Combined strobe light and smoke detector for the hearing impaired
Optical information medium, optical information recording method, and optical information reproducing method
Pipeline pig with restricted fluid bypass
Restructured meat product and process for preparing same
Pump-out plug catcher
Method of dehydrating natural gas
Horse play set
Vehicle drive torque controller
Method of embossing wood composition board
© 2006-2011. PatentGenius.com All Rights Reserved.