Patents by Inventor Zev Lichtenstein

Zev Lichtenstein 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).

  • HEATING, AIR CONDITIONING, AND DEHUMIDIFICATION ("HACD") SYSTEMS BASED ON LEGACY FORM FACTOR
    Publication number: 20260185723
    Abstract: A heating, air conditioning, and dehumidifier (“HACD”) system and methods of use are provided. The system may include an outdoor system and an indoor system. The outdoor system may include a compressor, a fully controlled condenser fan, a condenser coil, and a 3-way reheat valve. The indoor system may include a hot gas reheat coil, a thermal expansion valve (“TXV”), a check valve, a metering device, a blower motor, and an evaporator. The HACD system may include a refrigerant and a refrigerant piping system. The refrigerant piping system may include a first pipe being a compressor discharge pipe, a second pipe, a third pipe, and a fourth pipe being a suction line pipe. The indoor system may be configured to be confined to a form factor footprint such that physical dimensions of the indoor system are less than or equal to about 28×25.5×52 inches.
    Type: Application
    Filed: August 19, 2025
    Publication date: July 2, 2026
    Inventors: Zev Lichtenstein, Isaac Lichtenstein
  • Heating, air conditioning, and dehumidification (“HACD”) systems based on legacy form factor
    Patent number: 12392508
    Abstract: A heating, air conditioning, and dehumidifier (“HACD”) system and methods of use are provided. The system may include an outdoor system and an indoor system. The outdoor system may include a compressor, a fully controlled condenser fan, a condenser coil, and a 3-way reheat valve. The indoor system may include a hot gas reheat coil, a thermal expansion valve (“TXV”), a check valve, a metering device, a blower motor, and an evaporator. The HACD system may include a refrigerant and a refrigerant piping system. The refrigerant piping system may include a first pipe being a compressor discharge pipe, a second pipe, a third pipe, and a fourth pipe being a suction line pipe. The indoor system may be configured to be confined to a form factor footprint such that physical dimensions of the indoor system are less than or equal to about 28×25.5×52 inches.
    Type: Grant
    Filed: December 30, 2024
    Date of Patent: August 19, 2025
    Assignee: Rockland HAC Corporation
    Inventors: Zev Lichtenstein, Isaac Lichtenstein