Resources Contact Us Home
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
Methods for increasing efficacy of FOLR1 cancer therapy
Systems and methods for flow mirroring with network-scoped connection-oriented sink
Method and device for accessing the documentation of an aircraft according to alarms generated therein
Method and apparatus for closed-loop control of anti-tachyarrhythmia pacing using hemodynamic sensor
Determination and presentation of package pricing offers in response to customer interest in a product
Method of operating an electromechanical converter, a controller and a computer program product
Method for detecting directions of regularity in a two-dimensional image
  Randomly Featured Patents
Grain roasting machine and method
Esterified copolymers of polyalkenes/unsaturated acidic reagents useful as lubricant and fuel additives
Vertical channel memory devices with nonuniform gate electrodes
Disk drive configuring dual fly height actuators during write operation
Fuel filler housing and quarter inner panel for vehicle
Gas tube surge arrester
Benzazole derivatives, compositions, and methods of use as aurora kinase inhibitors
Semiconductor device formed on high-resistance substrate
Solar power management system