Patents by Inventor RongAi Ma

RongAi Ma 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).

  • Transport refrigeration unit with auxiliary power circuit and interlock
    Patent number: 9625206
    Abstract: A pre-wired auxiliary power circuit (45, 47) is built into a transport refrigeration system for supplying electrical power to an optional auxiliary system when installed in connection with the transport refrigeration unit. A low cost safety interlock (70) is provided in association with the auxiliary power circuit.
    Type: Grant
    Filed: July 21, 2011
    Date of Patent: April 18, 2017
    Assignee: CARRIER CORPORATION
    Inventors: RongAi Ma, Kenneth Cresswell, David Whyte
  • TRANSPORT REFRIGERATION UNIT WITH AUXILIARY POWER CIRCUIT AND INTERLOCK
    Publication number: 20130113289
    Abstract: A pre-wired auxiliary power circuit (45, 47) is built into a transport refrigeration system for supplying electrical power to an optional auxiliary system when installed in connection with the transport refrigeration unit. A low cost safety interlock (70) is provided in association with the auxiliary power circuit.
    Type: Application
    Filed: July 21, 2011
    Publication date: May 9, 2013
    Applicant: CARRIER CORPORATION
    Inventors: RongAi Ma, Kenneth Cresswell, David Whyte