Patents by Inventor Robert Hershfeld

Robert Hershfeld 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).

  • Alternating wet cleaning and dry cleaning of a flexographic printing plate
    Patent number: 10870304
    Abstract: An apparatus comprises a plate cleaner assembly. The plate cleaner assembly further comprises a frame, a roller coupled to the frame, a dry cleaning material coupled to the roller, and a spray assembly coupled to the plate cleaner assembly. The plate cleaner assembly further includes a controller coupled thereto. Moreover, the apparatus further comprises a printing plate cylinder and a printing plate coupled to the printing plate cylinder.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: December 22, 2020
    Inventors: Jeffrey M. DeVries, Robert Hershfeld
  • ALTERNATING WET CLEANING AND DRY CLEANING OF A FLEXOGRAPHIC PRINTING PLATE
    Publication number: 20180257420
    Abstract: An apparatus comprises a plate cleaner assembly. The plate cleaner assembly further comprises a frame, a roller coupled to the frame, a dry cleaning material coupled to the roller, and a spray assembly coupled to the plate cleaner assembly. The plate cleaner assembly further includes a controller coupled thereto. Moreover, the apparatus further comprises a printing plate cylinder and a printing plate coupled to the printing plate cylinder.
    Type: Application
    Filed: March 7, 2018
    Publication date: September 13, 2018
    Inventors: Jeffrey M. DeVries, Robert Hershfeld