Patents by Inventor Steven A. NUNNIKHOVEN

Steven A. NUNNIKHOVEN 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).

  • Patent number: 9428204
    Abstract: A method and cart for handling spacers used for spacing the wire mesh reinforcing cages used in the production of concrete pipe, The spacers are placed and shipped on hollow tubes laid in layers in a shipping container. The spacers are shipped to the user stored on these hollow tubes together with a mobile cart that has a vertical support containing a plurality of outwardly extending arms. When ready to be installed at the concrete pipe production site, a tube containing the spacers is removed from the shipping container and slipped over each arm. The cart can then easily be moved around the production location where the spacers for readily available for use in making the concrete product.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: August 30, 2016
    Assignee: Hawkeye Concrete Products Co.
    Inventor: Steven A. Nunnikhoven
  • Publication number: 20110057403
    Abstract: A method and cart for handling spacers used for spacing the wire mesh reinforcing cages used in the production of concrete pipe. The spacers are placed and shipped on hollow tubes laid in layers in a shipping container. The spacers are shipped to the user stored on these hollow tubes together with a mobile cart that has a vertical support containing a plurality of outwardly extending arms. When ready to be installed at the concrete pipe production site, a tube containing the spacers is removed from the shipping container and slipped over each arm. The cart can then easily be moved around the production location where the spacers for readily available for use in making the concrete product.
    Type: Application
    Filed: March 11, 2010
    Publication date: March 10, 2011
    Applicant: HAWKEYE CONCRETE PRODUCTS CO.
    Inventor: Steven A. NUNNIKHOVEN