Patents by Inventor Da Ming BI

Da Ming BI 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).

  • Publication number: 20160290695
    Abstract: A device for adding refrigerant into automobile air conditioning system, said device comprising: an air passage, a refrigerant port, and an air conditioning port; the air passage communicates the refrigerant port and the air conditioning port; wherein, a valve and a T-shape connector are provided along the air passage, the valve controls the opening of the air passage; the first end of the T-shape connector communicates with the valve, the second end of the T-shape connector communicates with the air conditioning port, and the third end of the T-shape connector communicates with a pressure gauge. While adding refrigerant, users can read the pressure of the automobile air conditioning system through the pressure gauge.
    Type: Application
    Filed: April 10, 2015
    Publication date: October 6, 2016
    Applicant: AEROSPACE COMMUNICATION HOLDINGS, CO., LTD.
    Inventors: Da Ming BI, Hong Bo CHEN