Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/149
Name: Fluid handling > Siphons > With flow starting, stopping or maintaining means > Pump or liquid displacement device for flow passage > Piston > Co-axial within flow passage
Description: Apparatus in which the piston is moved in the flow passage of the siphon.

Patents under this class:

Patent Number Title Of Patent Date Issued
6926026 Siphon initiating device Aug. 9, 2005
5558762 Portable water filter and valve assembly Sep. 24, 1996
4574828 Hand held and hand operated pumping and siphoning device Mar. 11, 1986
4301826 Combination siphon and positive action pump Nov. 24, 1981
4290443 Flexible tube liquid transfer device Sep. 22, 1981
3958589 Siphon May. 25, 1976

  Recently Added Patents
Electric washing machine
Wideband antenna
Means to securely fixate pacing leads and/or sensors in vessels
Non-intrusive processor tracing
Electric vehicle charging station parking meter systems
Resource compatability for data centers
Servomotor control circuit
  Randomly Featured Patents
Electrical noise filter
Color original evaluating method
Optical modulator
Low hydrogen basic metal cored electrode
Directional lighting and method to distinguish three dimensional information
Method of using physical buttons in association with a display to access and execute functions available through associated hardware and software
Suspension, head suspension assembly, and disk drive apparatus
Calcium ion selective electrode
Light emitting diode employing an array of nanorods and method of fabricating the same