Patents by Inventor Kelvin L. Doerr

Kelvin L. Doerr 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: 8347581
    Abstract: An anchor assembly for use in joining together a masonry wall structure and a supporting back wall structure wherein the back wall structure is preferably formed using insulated concrete form (ICF) blocks each having a pair of opposed ICF panels associated therewith, the anchor assembly including an anchor member and a tie member. The anchor member includes an anchor portion adapted to penetrate one of the ICF panels and having at least one opening associated therewith so as to lie between the opposed ICF panels when attached thereto for allowing poured concrete to flow therethrough, and an attachment portion having a tab member positioned and located to overlay an ICF panel flange member when the anchor member is inserted within the ICF panel, the tab member being attachable to the ICF panel flange member.
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: January 8, 2013
    Assignee: Reward Wall Systems, Inc.
    Inventors: Kelvin L. Doerr, Henry E. Pfeiffer