Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/148
Name: Fluid handling > Siphons > With flow starting, stopping or maintaining means > Pump or liquid displacement device for flow passage > Piston
Description: Apparatus in which the pump includes a piston.

Sub-classes under this class:

Class Number Class Name Patents
137/149 Co-axial within flow passage 6

Patents under this class:

Patent Number Title Of Patent Date Issued
8524154 System and method for pseudo-continuous measurement of metabolite concentrations in a mammalian body Sep. 3, 2013
6883535 Liquid handling apparatus Apr. 26, 2005
6256801 Siphon assemblies Jul. 10, 2001
6161568 Water supply pipe protector Dec. 19, 2000
6112759 Oil drawing and dispensing device Sep. 5, 2000
5620309 Fluid pump priming system Apr. 15, 1997
5433246 Pressure coupling for cleaning water lines Jul. 18, 1995
4649953 Siphon assembly for flushing cisterns Mar. 17, 1987
4232694 Siphon Nov. 11, 1980
4112963 Siphon tube starter Sep. 12, 1978
4041971 Siphon starting device Aug. 16, 1977

  Recently Added Patents
Organic light emitting device connection methods
Fire detector
Integrated circuit packaging system with an integral-interposer-structure and method of manufacture thereof
Methods for determining decoding order in a MIMO system with successive interference cancellation
High power fiber amplifier with stable output
Display screen of a mobile terminal or portion thereof with a graphical user interface
  Randomly Featured Patents
Moving ramp
Surfboard fin mounting system
Television image receiving apparatus and CRT display apparatus
Ultrasonic contrast agents, processes for their preparation and the use thereof as diagnostic and therapeutic agents
Mounting means for magnetic read head
Methods of manufacturing multi-level metal lines in semiconductor devices
Sensor structure incorporating multiple piezoelectric generators
Modified phenolic resin, epoxy resin and curing agent molding material