Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Biometric data display system and method
Antibodies to OX-2/CD200 and uses thereof
Color image display device, color filter substrate, color pixel array substrate, and electronic device
Systems and methods for implementing pressure sensitive keyboards
Data output apparatus and data output method
Software management system for network data processing systems
Rotating-body electrification mechanism, image carrier unit, process cartridge, image forming apparatus, and method for electrifying image carrier unit
  Randomly Featured Patents
Electric taximeter mounting and demounting arrangement
Image sensor having test patterns for measuring characteristics of color filters
Crystalline and amorphous pyrimidine compounds and processes for preparing pyrimidine compounds
Method of polarization-treating piezoelectric body
Mirror
Apparatus for making multilayer powder blanks
Lubricant recovery device
Portable wave-swash and coastal-wind energy harvester
Door panel for a residential gas furnace
Method for hanging books and book-like items