Patents by Inventor Joseph Johannes Maria Annegarn

Joseph Johannes Maria Annegarn 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).

  • Descaling bent rod with separated cleaning particles
    Patent number: 4004374
    Abstract: A method of descaling a rod comprises forming at least one bend in the rod and rotating the bent portion in an appproximately circular path while maintaining it in a space having a distribution of separated cleaning particles therein in a suspended relationship relative thereto. The rotating bent portion strikes the distributed particles and is cleaned thereby.
    Type: Grant
    Filed: August 6, 1975
    Date of Patent: January 25, 1977
    Inventor: Joseph Johannes Maria Annegarn