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Class Information
Number: 417/423.3
Name: Pumps > Motor driven > Electric or magnetic motor > Rotary motor and rotary nonexpansible chamber pump > Submersible type
Description: Apparatus wherein the pump and motor are constructed to operate when completely surrounded by the fluid to be pumped.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8672651 Fuel pump module with driver equipped inside fuel tank Mar. 18, 2014
8662867 Bore-hole pump Mar. 4, 2014
8651837 Modular bellows with instrumentation umbilical conduit for electrical submersible pump system Feb. 18, 2014
8651836 Torque transmitting rings for sleeves in electrical submersible pumps Feb. 18, 2014
8641389 Stacked labyrinth chambers for use with an electrical submersible pump Feb. 4, 2014
8640735 Waste water lifting installation Feb. 4, 2014
8636898 Site drainer Jan. 28, 2014
8636482 Yoke assembly for a submersible turbine pump that pumps fuel from an underground storage tank Jan. 28, 2014
8624530 Systems and methods for transmission of electric power to downhole equipment Jan. 7, 2014
8616863 ESP with offset laterally loaded bearings Dec. 31, 2013
8602753 Radial bearings for deep well submersible pumps Dec. 10, 2013
8602754 System for monitoring an electrical submersible pump Dec. 10, 2013
8556600 Protection system for subsea seawater injection pumps Oct. 15, 2013
8545194 Battery operated solar charged pump kit utilizing an inline submersible pump Oct. 1, 2013
8529227 Submersible pump capable of providing low voltage power supply Sep. 10, 2013
8529228 Sump pump cover Sep. 10, 2013
8529216 Jet pump retention and seal method with living hinge Sep. 10, 2013
8523532 Sewage handling system, cover, and controls Sep. 3, 2013
8517700 Submersible pump Aug. 27, 2013
8508182 Electrically connecting blower to power supply stage providing higher voltage Aug. 13, 2013
8500419 Subsea pumping system with interchangable pumping units Aug. 6, 2013
8491282 Pressure mitigating dielectric debris seal for a pothead interface Jul. 23, 2013
8491277 Submersible motor pump, motor pump, and tandem mechanical seal Jul. 23, 2013
8487493 Method and apparatus for controlling a bearing through a pressure boundary Jul. 16, 2013
8485797 External oil expansion chamber for seabed boosting ESP equipment Jul. 16, 2013
8469678 Constant temperature circulator Jun. 25, 2013
8454330 Submersible pump Jun. 4, 2013
8449245 Vertically rotatable shaft assembly with thermally insulated housing May. 28, 2013
8439654 Methods and apparatus for pumping liquefied gases May. 14, 2013
8430653 Motor compressor Apr. 30, 2013
8419390 Electrical submersible pump system connection adapter Apr. 16, 2013
8382457 Subsea pumping system Feb. 26, 2013
8366418 Magnetic centrifugal pump Feb. 5, 2013
8358043 Enhanced thermal conductivity material in annular gap between electrical motor stator and housing Jan. 22, 2013
8353677 System and method for sensing a liquid level Jan. 15, 2013
8348606 Washer pump Jan. 8, 2013
8337142 System and method for reducing thrust acting on submersible pumping components Dec. 25, 2012
8336632 System and method for direct drive pump Dec. 25, 2012
8333575 Pump assembly Dec. 18, 2012
8328539 Submersible pump motor protector Dec. 11, 2012
8328540 Structural improvement of submersible cooling pump Dec. 11, 2012
8316942 ESP for perforated sumps in horizontal well applications Nov. 27, 2012
8297952 Water inlet unit for an amphibious pump Oct. 30, 2012
8292602 Sump pump container Oct. 23, 2012
8267676 Apparatus and method for preventing the penetration of seawater into a compressor module during lowering to or retrieval from the seabed Sep. 18, 2012
8246326 Mechanism for sealing PFA seal bags Aug. 21, 2012
8167578 Switch and float assembly for a pump May. 1, 2012
8141625 Gas boost circulation system Mar. 27, 2012
8118089 Down hole delivery system Feb. 21, 2012
8104534 Mechanical seal and lock for tubing conveyed pump system Jan. 31, 2012

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