Patents by Inventor Nelson Kenneth Walling

Nelson Kenneth Walling 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: 9273444
    Abstract: A variable retaining wall system may include a block having a top, a bottom, and a hollow core area. At least one set of setback knobs may attach to the block. The at least one set of setback knobs may include a primary set of setback knobs and a secondary set of setback knobs of a different angle than the primary set of setback knobs. The at least one set of setback knobs may be removable.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: March 1, 2016
    Inventor: Nelson Kenneth Walling
  • Publication number: 20140248094
    Abstract: A variable retaining wall system may include a block having a top, a bottom, and a hollow core area. At least one set of setback knobs may attach to the block. The at least one set of setback knobs may include a primary set of setback knobs and a secondary set of setback knobs of a different angle than the primary set of setback knobs. The at least one set of setback knobs may be removable.
    Type: Application
    Filed: March 4, 2014
    Publication date: September 4, 2014
    Inventor: Nelson Kenneth Walling