Patents by Inventor Arunkumar Arumugam

Arunkumar Arumugam has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Protector for electrical submersible pumps
    Publication number: 20040136849
    Abstract: A system and method for protecting a motor for a submersible pumping system. A variety of motor protectors are provided for application in variable temperature environments and multiple wellbore orientations. The motor protectors may include one or more of a positively pressurized bellows, a relatively balanced pressure bellows free of sliding seals, and a multi-orientable labyrinth. Each of these motor protectors also may have various moisture absorbents, filters, particle shedders and various conventional motor protector components.
    Type: Application
    Filed: December 4, 2003
    Publication date: July 15, 2004
    Inventors: Michael H. Du, Lawrence C. Lee, Arunkumar Arumugam, Ashley C. Kishino
  • Protector for electrical submersible pumps
    Patent number: 6688860
    Abstract: A system and method for protecting a motor for a submersible pumping system. A variety of motor protectors are provided for application in variable temperature environments and multiple wellbore orientations. The motor protectors may include one or more of a positively pressurized bellows, a relatively balanced pressure bellows free of sliding seals, and a multi-orientable labyrinth. Each of these motor protectors also may have various moisture absorbents, filters, particle shedders and various conventional motor protector components.
    Type: Grant
    Filed: January 29, 2002
    Date of Patent: February 10, 2004
    Assignee: Schlumberger Technology Corporation
    Inventors: Michael H. Du, Lawrence C. Lee, Arunkumar Arumugam, Ashley C. Kishino
  • Protector for electrical submersible pumps
    Publication number: 20020192090
    Abstract: A system and method for protecting a motor for a submersible pumping system. A variety of motor protectors are provided for application in variable temperature environments and multiple wellbore orientations. The motor protectors may include one or more of a positively pressurized bellows, a relatively balanced pressure bellows free of sliding seals, and a multi-orientable labyrinth. Each of these motor protectors also may have various moisture absorbents, filters, particle shedders and various conventional motor protector components.
    Type: Application
    Filed: January 29, 2002
    Publication date: December 19, 2002
    Inventors: Michael H. Du, Lawrence C. Lee, Arunkumar Arumugam, Ashley C. Kishino