Patents by Inventor Michael Hallenbeck

Michael Hallenbeck 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).

  • Dry ice blast cleaning system and method for operating the same
    Patent number: 9700989
    Abstract: A dry ice blast cleaning system is disclosed. The system includes a dry ice feed apparatus, a mixing head, a supply of pressurized gas and a dispensing device. The apparatus has a hopper configured to store a supply of dry ice pieces with an anti-bridging device. A heat by-pass system is provided to heat the mixing head to prevent icing in the mixing head.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: July 11, 2017
    Inventors: Edward L Cooper, Michael Hallenbeck