Patents by Inventor Matthew Schapker

Matthew Schapker 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).

  • ANTI-CRUSHING DEVICE FOR USE WITH BARGES
    Publication number: 20220258842
    Abstract: The present invention is a blocking device where a block with a handle is attached to a wire and the wire is attached to a spring attached to a boat, dock, or barge. Multiple blocking devices are positioned on a boat, dock, or barge. When a person falls in the water the block is thrown in the water to prevent the person from being crushed. The block also may be in a holder.
    Type: Application
    Filed: January 31, 2022
    Publication date: August 18, 2022
    Inventors: Matthew Schapker, Bruce McGinnis