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
Insulin derivative
Portion of a display panel with an unhappy facial expression icon
Image processing device, image forming apparatus, and non-transitory computer readable recording medium
Cordless hand blender
Portable stand
Method and apparatus for feeding a polyurethane mixture into hollow bodies
  Randomly Featured Patents
Retractable media jack operable with two discrete media connectors
Magneto-optical recording apparatus and method including method for presetting optimum recording power of recording apparatus
Method and control unit for controlling technical procedures in a motor vehicle
Multi-layer core golf ball
System having central processor for transmitting generic packets to another processor to be altered and transmitting altered packets back to central processor for routing
Intramolecular C-H amination with sulfonyl azides
Reel of plastics material for magnetic tape
Methods of treating IL-TIF associated inflammatory or immune diseases using antibodies against soluble zcytor 11 cytokine receptors
Computer enclosure with holder bracket
Constant temperature type crystal oscillator