Patents by Inventor Saroj Kumar Singh

Saroj Kumar Singh 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).

  • Patent number: 7972445
    Abstract: The present invention consists of an improved vertical continuous vacuum pan apparatus consisting of eight chambers (2) (instead of four or five) and a storage or buffer tank (27) at the top, within the existing conventional height, characterized in that each chamber has a bottom mounted mechanical circulator housed in an insulated pocket (28) in the vapour space segment (29) of each chamber and not in additional space above the chamber.
    Type: Grant
    Filed: September 25, 2006
    Date of Patent: July 5, 2011
    Assignee: Spray Engineering Devices Limited
    Inventors: Jai Parkash Singh, Vipin Kumar Gupta, Saroj Kumar Singh
  • Publication number: 20090056706
    Abstract: The present invention consists of an improved vertical continuous vacuum pan apparatus consisting of eight chambers (2) (instead of four or five) and a storage or buffer tank (27) at the top, within the existing conventional height, characterized in that each chamber has a bottom mounted mechanical circulator housed in an insulated pocket (28) in the vapour space segment (29) of each chamber and not in additional space above the chamber.
    Type: Application
    Filed: September 25, 2006
    Publication date: March 5, 2009
    Inventors: Jai Parkash Singh, Vipin Kumar Gupta, Saroj Kumar Singh