Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/222
Name: Fluid handling > Larner-johnson type valves; i.e., telescoping internal valve in expanded flow line section > Internal servo-motor with internal pilot valve > Pilot controlled passage in nose or needle
Description: Flow control devices in which the pilot valve controls a passage through the needle or movable part of the valve means internal to the flow line.

Patents under this class:

Patent Number Title Of Patent Date Issued
6164332 In-line magnetic water manufacturing apparatus Dec. 26, 2000
4091865 Air-pressurized, safety anti-freeze tank May. 30, 1978
4008733 Filling valves for pressure fueling devices Feb. 22, 1977
3945393 Regulating valve Mar. 23, 1976

  Recently Added Patents
Pulsed plasma with low wafer temperature for ultra thin layer etches
Wideband multi-channel receiver with fixed-frequency notch filter for interference rejection
Method and apparatus for re-routing calls in a packet network during failures
Stabilised prostaglandin composition
Taxi cab key chain
Methods and systems for automatically identifying a logical circuit failure in a data network
  Randomly Featured Patents
Dithered scanned laser beam for scribing solar cell structures
4-Phenoxy-phenoxy-alkane-carboxylic acid derivatives and process for their manufacture
Spoon-carrying handle for a cooking utensil
Method for manufacturing an A1xGayInzN film using a metal film for heat radiation
N-substituted-2-aminoquinolines useful for treating hypofunction of the cholinergic system
Strip lighting apparatus and method
Rapid crystallizing polyphenylene sulphide compositions
Sensitized optical fiber method and article
Biodegradable organosol flocculants
Compounds and compositions as modulators of GPR119 activity