Patents by Inventor Stanley E. Zambahlen

Stanley E. Zambahlen 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).

  • Publication number: 20040079540
    Abstract: A scraper designed for use in scraping manure from livestock feedlot areas. The scraper has a semi-circular configuration in plan. A horizontal beam connects the forward ends of the semi-circular blade and supports a tower providing an upper three-point hitch connection and spaced lower three-point connections. Reinforcing struts extend downwardly from the tower and are welded to an upper portion of the blade. The blade and scraping edge are constructed from non-hardened hot rolled soft tempered steel, which is permitted to wear away in a self-sharpening manner during use over abrasive concrete surfaces. Wear strips of non-hardened mild steel or polyurethane may be bolted to the scraper to serve as the scraping blade.
    Type: Application
    Filed: August 28, 2003
    Publication date: April 29, 2004
    Inventors: Stanley E. Zambahlen, Richard J. Johnson