Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/586
Name: Fluid handling > Systems > System with plural openings, one a gas vent or access opening > Access and outlet > Tank access opening and bottom outlet > Access opening interlock or telltale on outlet valve actuator
Description: Systems in which the actuator for the valved outlet performs an additional function in the system by interengaging with or extending into the access opening in one position of the valve thereby preventing the application of a closure to the access opening while the bottom valve is open and/or indicating the open condition of the valve.

Patents under this class:

Patent Number Title Of Patent Date Issued
8381767 Reservoir module for a recycler assembly Feb. 26, 2013
5490387 Flame-out resistant fuel pumping system Feb. 13, 1996
4633843 Carburetor arrangement for an internal combustion engine Jan. 6, 1987
4137943 Diaphragm vent valve for fluid storage tank with vapor recovery system Feb. 6, 1979
4109677 Protective device for storage tanks Aug. 29, 1978
4086938 Door and drain control interlock May. 2, 1978

  Recently Added Patents
Ignition device in particular for an internal combustion engine, and method for manufacturing same
Bullet lens design for the dasal seeker
Image processing apparatus and image processing method
Method, apparatus, and system for energy efficiency and energy conservation including dynamic cache sizing and cache operating voltage management for optimal power performance
Hepatitis C virus inhibitors
Washing-up bowl
Method and device for operating a vehicle having a hybrid drive
  Randomly Featured Patents
Screen printable decorative coating composition
Display board illuminating device for passive displays
Apparatus and method for automatically determining notational symbols based on musical composition data
Method for manufacturing ceramic substrate and ceramic substrate
Production of polyester tire yarn
Metal building insulation
Low-voltage multi-output current mirror circuit with improved power supply rejection mirrors and method therefor
Audio player with code sensor
Treating method and equipment for coke-cooling wastewater
Process of forming a composite structure