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Class Information
Number: 137/565.25
Name: Fluid handling > Systems > With pump > Hand pump

Patents under this class:

Patent Number Title Of Patent Date Issued
8540495 Dual duty hand pump Sep. 24, 2013
8104496 Reverse flow back pressure pump Jan. 31, 2012
6988506 Fluid transfer system Jan. 24, 2006
6736164 Pressure control valve for a fuel tank May. 18, 2004
6561219 Portable fluid transfer conduit May. 13, 2003
6427458 Apparatus and method for clearing air conditioning drain lines Aug. 6, 2002
6357492 Liquid changer Mar. 19, 2002
4497290 Fuel system tester and primer Feb. 5, 1985
4278114 Kitchen appliance for storing perishable goods Jul. 14, 1981

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