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
Memory with separate read and write paths
Image forming apparatus acquiring image processing time detected when the acquired time is longer that the previously set time and to correct output image density using generated patch pattern
Photoelectric conversion module
Recording medium, playback device, integrated circuit
Hardware/software debugging using memory access parameters
System and method for configuring a direct lift control system of a vehicle
  Randomly Featured Patents
Systems and methods for managing printer settings in a networked computing environment
Encapsulated organic luminescent display panel
Electronic television program guide schedule system and method
Photosetting resin compositions
Ceramic article containing a core comprising tetragonal zirconia and a shell comprising zirconium nitride
Process for forming novel silver powder composition
Casing for a signaling device or similar article
Preparation of flexible, flame-bondable polyurethane-polyether foams having improved adhesion
Octagonal trampoline
Rotary milling cutters