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Class Information
Number: 417/53
Name: Pumps > Processes
Description: Processes of pumping .

Sub-classes under this class:

Class Number Class Name Patents
417/54 Of pumping one fluid by contact or entrainment with another 138

Patents under this class:

Patent Number Title Of Patent Date Issued
8684705 Method and system for controlling operation of a pump based on filter information in a filter information tag Apr. 1, 2014
8678776 Vacuum generating device and method for the operation thereof Mar. 25, 2014
8672642 System and method for starting a compressor Mar. 18, 2014
8668464 Method for transporting a fluid and device for producing a volume flow Mar. 11, 2014
8667783 Method and system for controlling the operation of a pump Mar. 11, 2014
8662867 Bore-hole pump Mar. 4, 2014
8657589 Operating method for a hydraulic machine Feb. 25, 2014
8641385 Pump controller system and method Feb. 4, 2014
8641383 Pump and pump control circuit apparatus and method Feb. 4, 2014
8628303 Wave energy converter Jan. 14, 2014
8622713 Method and apparatus for detecting the fluid condition in a pump Jan. 7, 2014
8608460 Method and apparatus for increasing compressed air efficiency in a pump Dec. 17, 2013
8602754 System for monitoring an electrical submersible pump Dec. 10, 2013
8602743 Method of operating a safety vacuum release system Dec. 10, 2013
8602742 Method and apparatus for regulating a charge air pressure of an internal combustion engine of a vehicle Dec. 10, 2013
8591199 Multi-stage compressor/driver system and method of operation Nov. 26, 2013
8579599 System, apparatus, and method for rapid pump displacement configuration Nov. 12, 2013
8578603 Compressor and manufacturing method thereof Nov. 12, 2013
8556593 Method of controlling counter-rotating axial-flow fan Oct. 15, 2013
8555984 Linear rod pump operating method Oct. 15, 2013
8546969 Ribbon drive power generation and method of use Oct. 1, 2013
8545195 Hydrogen generator with pump Oct. 1, 2013
8545192 Diesel pump with cylinder and outlet joint arrangement Oct. 1, 2013
8545190 Valve with shuttle for use in a flow management system Oct. 1, 2013
8535017 Hydraulic gravity ramp pump Sep. 17, 2013
8529217 Method for operating a compressor device and associated compressor device Sep. 10, 2013
8529215 Liquid hydrocarbon slug containing vapor recovery system Sep. 10, 2013
8523537 Integral plus proportional dual pump switching system Sep. 3, 2013
8512012 Pump Aug. 20, 2013
8506260 Compressor system and method for the operation of a compressor system Aug. 13, 2013
8500419 Subsea pumping system with interchangable pumping units Aug. 6, 2013
8491272 Pumping-out apparatus and method for pumping out stored fluid Jul. 23, 2013
8485795 Diesel pump with cylinder and outlet joint arrangement Jul. 16, 2013
8485792 Method for increasing compressed air efficiency in a pump Jul. 16, 2013
8480374 Method and auto-control system on improving pumping system performance Jul. 9, 2013
8454331 Plate pump assembly for use with a subsurface pump Jun. 4, 2013
8454321 Methods and devices for optimizing heat transfer within a compression and/or expansion device Jun. 4, 2013
8454320 Control process for a piezoelectric pump of an electric household appliance and an electric household appliance employing such a process Jun. 4, 2013
8449264 Method for delivering fluids using a centrifugal pump May. 28, 2013
8444394 Pump controller system and method May. 21, 2013
8444393 Rod pump control system including parameter estimator May. 21, 2013
8444392 Pressure control May. 21, 2013
8435016 Vertical shaft pumping system with lubricant impeller arrangement May. 7, 2013
8430643 Volumetric fluidics pump method with translating shaft Apr. 30, 2013
8425014 Ring electrode for fluid ejection Apr. 23, 2013
8419378 Jet pump Apr. 16, 2013
8398376 Dry pumps Mar. 19, 2013
8382448 Compressed air supply system for a utility vehicle having a pulse-width modulated valve Feb. 26, 2013
8382447 Shuttle pump with controlled geometry Feb. 26, 2013
8382446 Mini-surge cycling method for pumping liquid from a borehole to remove material in contact with the liquid Feb. 26, 2013

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