Resources Contact Us Home
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
RF/optical shared aperture for high availability wideband communication RF/FSO links
Soliciting first party in communication session to maintain call when degradation of connection to second party is anticipated
Receiver with feedback continuous-time delta-sigma modulator with current-mode input
Semiconductor device and method of adjusting characteristic thereof
Methods of saccharification of polysaccharides in plants
Method and system for providing an intelligent visual scrollbar position indicator
Architectural panel with millet and grass
  Randomly Featured Patents
Self-degrading cement compositions and methods of using self-degrading cement compositions in subterranean formations
Circuit for determining a measure value of a rectified a-c voltage
Resource allocation apparatus, method, and computer readable medium thereof
Connecting rod made of fiber reinforced synthetic material
Faucet escutcheon
Multiple sample needle assembly
Dynamic prosthetic foot with multiple load points having sole only
Roller guide for a fishing rod
Fastening device for folding boxes
Hose construction, coupling arrangement therefor and method of making the same