Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Methods and systems for creating a tail risk hedge index and trading derivative products based thereon
Multichannel device utilizing a centralized out-of-band authentication system (COBAS)
MEMS structure and method for making the same
Fluid intake and content management system
Thermoforming sheet loading apparatus and method
Clostridium chauvoei polypeptide, DNA encoding the polypeptide and a vaccine comprising the polypeptide
Modulation of TIM receptor activity in combination with cytoreductive therapy
  Randomly Featured Patents
Method of on-line turbine blade slope and sensor position verification
Spring biased deformable intraocular injecting apparatus
Weathered reef-building coral material
Thin film magnetic head and method of making it
Method and system for implementing a card product with multiple customized relationships
Signal processing method for gamma-ray semiconductor sensor
Fast lock time phase locked loop
Electronic timepiece
Stress relief of single crystal superalloy articles
Smart pallet-box cargo container