Patents by Inventor Janet Savarimuthu

Janet Savarimuthu 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).

  • Pump apparatus and methods of making and using same
    Patent number: 7326034
    Abstract: Pump apparatus and methods of making and using same are disclosed. One inventive apparatus includes at least two pump stages having different performance characteristics combined in series to substantially match an intended pumping application. An inventive method includes selecting two or more pump stages having different performance characteristics that when combined in series overcome limitations of at least one of the pump stages.
    Type: Grant
    Filed: September 14, 2005
    Date of Patent: February 5, 2008
    Assignee: Schlumberger Technology Corporation
    Inventors: Ketankumar K. Sheth, Janet Savarimuthu
  • Pump Apparatus and Methods of Making and Using Same
    Publication number: 20070059166
    Abstract: Pump apparatus and methods of making and using same are disclosed. One inventive apparatus includes at least two pump stages having different performance characteristics combined in series to substantially match an intended pumping application. An inventive method includes selecting two or more pump stages having different performance characteristics that when combined in series overcome limitations of at least one of the pump stages. This abstract allows a searcher or other reader to quickly ascertain the subject matter of the disclosure. It will not be used to interpret or limit the scope or meaning of the claims.
    Type: Application
    Filed: September 14, 2005
    Publication date: March 15, 2007
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Ketankumar Sheth, Janet Savarimuthu