Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/153
Name: Fluid handling > Siphons > Elements
Description: Apparatus comprising the siphon passage forming means, per se.










Patents under this class:

Patent Number Title Of Patent Date Issued
6178984 Self-priming siphon, in particular for irrigation Jan. 30, 2001
5566706 Siphoning device to attain desired water level in pools and the like Oct. 22, 1996
5151174 Installation for the disinfection of clarified sewage with UV apparatus built into siphons Sep. 29, 1992
5063959 Method and apparatus for free-standing water removal from roof and siphon head therefore Nov. 12, 1991
4649953 Siphon assembly for flushing cisterns Mar. 17, 1987
4540014 Hydraulic memory device Sep. 10, 1985
4303092 Siphonic irrigation apparatus Dec. 1, 1981
4184511 Corrosion-resistant siphon assembly Jan. 22, 1980
4143674 Valve for continuously and automatically supplying furnaces with molten metal Mar. 13, 1979











 
 
  Recently Added Patents
Control unit including a computing device and a peripheral module which are interconnected via a serial multiwire bus
Liquid crystal display device
Mounting apparatus for PCI card
Detecting mirrors on the web
System and method for enhancing buyer and seller interaction during a group-buying sale
High-resolution, active reflector radio frequency ranging system
Method for fabrication of a semiconductor device and structure
  Randomly Featured Patents
Laminar body having phosphorescent properties, process for producing it and its use
Evaporator for respirators and evaporation method
Magnetic recording medium and method for producing same
Torque motor
Low thermal impedance light-emitting diode package
Method and system for control system software
Anti-roll ski tow line
Optical wavelength filter
High density protein crystal growth
Column support for drywall panel