Patents by Inventor Andrew M. Ramser

Andrew M. Ramser 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).

  • PORTABLE POWER SUPPLY DEVICE FOR BUILDING EQUIPMENT
    Publication number: 20220302544
    Abstract: Disclosed is a method of supplying power to a building equipment technician in the field comprising providing a movable power conversion device having a transformer, an input voltage selector, a building power interface cable, and a power receptacle; moving the movable power conversion device to a location proximate a building power grid and an area comprising building equipment; setting the input voltage selector to an unpowered position; connecting the building power interface cable to the building power grid; selecting a supply voltage of the building power grid with the input voltage selector.
    Type: Application
    Filed: March 14, 2022
    Publication date: September 22, 2022
    Inventors: James Fettinger, Joseph R. Turner, Andrew M. Ramser, Paul Cornett, JR.
  • Tandem compressor refrigeration system and a method of using the same
    Patent number: 9951984
    Abstract: A refrigeration system including a first compressor and a second compressor, operating in tandem, wherein the first compressor includes a compression capacity different than the compression capacity of the second compressor. A method for operating a refrigeration system including a first compressor and a second compressor operating in tandem; wherein the first compressor comprises a first compression capacity and the second compressor comprises a second compression capacity larger than the first compression capacity the method comprising the steps of: determining a cooling demand; operating the first compressor in a first stage of cooling; operating the second compressor in a second stage of cooling; and operating the first compressor and the second compressor in a third stage of cooling.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: April 24, 2018
    Assignee: CARRIER CORPORATION
    Inventors: James J. Del Toro, James E. Harris, Marco A Quiroz, Benjamen D. Baker, Andrew M Ramser
  • TANDEM COMPRESSOR REFRIGERATION SYSTEM AND A METHOD OF USING THE SAME
    Publication number: 20140345308
    Abstract: A refrigeration system including a first compressor and a second compressor, operating in tandem, wherein the first compressor includes a compression capacity different than the compression capacity of the second compressor. A method for operating a refrigeration system including a first compressor and a second compressor operating in tandem; wherein the first compressor comprises a first compression capacity and the second compressor comprises a second compression capacity larger than the first compression capacity the method comprising the steps of: determining a cooling demand; operating the first compressor in a first stage of cooling; operating the second compressor in a second stage of cooling; and operating the first compressor and the second compressor in a third stage of cooling.
    Type: Application
    Filed: April 29, 2014
    Publication date: November 27, 2014
    Applicant: CARRIER CORPORATION
    Inventors: James J. Del Toro, James E. Harris, Marco A. Quiroz, Benjamen D. Baker, Andrew M. Ramser