Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/133
Name: Fluid handling > Siphons > Periodic or accumulation responsive discharge > With manual control
Description: Apparatus having means whereby the siphon may be discharged either by manual operation or by a condition or characteristic of the fluid in the system, the manual control being either auxiliary to the automatic or the control being convertible from one type to the other.










Patents under this class:

Patent Number Title Of Patent Date Issued
5009261 Device for providing communication between water tanks of heat accumulation tank system Apr. 23, 1991
4887667 Device for providing communication between water tanks of heat accumulation tank system Dec. 19, 1989
4646369 Flushing cisterns Mar. 3, 1987
4625752 Flushing siphon Dec. 2, 1986
4538416 Method and apparatus for valve motor actuation of a displacer-expander refrigerator Sep. 3, 1985











 
 
  Recently Added Patents
Solid state lighting circuit and controls
Enediyne compounds, conjugates thereof, and uses and methods therefor
Concentrating photovoltaic system module with actuator control
Performance venue with dynamic mechanical load management system and method
PC secure video path
Plasma doping method and plasma doping apparatus
System and method for passing PLC signals from a first electrical line to a second electrical line
  Randomly Featured Patents
Herbicidal thiadiazolines
Novel collectors and processes for making and using same
Process for sawing substrate strip
Benzimidazole and azabenzimidazole derivatives which are thromboxane receptor antagonists, their methods of preparation
Stake
Saw chain comprising cam links and cutter links without integral depth gauges
Sports shelf
Multiple lumen catheter having a soft tip
Plating apparatus and method
Refractory tile for a suspended furnace wall