Patents by Inventor Michael K. Crites

Michael K. Crites 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).

  • Manhole removal device for use with a manhole cutting and removing tool
    Patent number: 10480151
    Abstract: An improved manhole alignment and locking assembly for use with a manhole removal tool. The locking and removal assembly provides for a portable adjustable manhole interior engagement plate, that once positioned and locked, provides for alignment of the manhole cutting and removal tool and subsequent lifting and transportation of the manhole from the street for repair or replacement.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: November 19, 2019
    Inventor: Michael K. Crites
  • Wall system
    Patent number: 4757651
    Abstract: A wall system for use on a vertical wall, such as a basement wall, is disclosed. A drain conduit is positioned adjacent the wall footer and a collection member is mounted along the bottom of the wall. A plurality of connector conduits extend between the collection member and the drain conduit. In one embodiment a vertical support column is mounted adjacent the wall.
    Type: Grant
    Filed: July 24, 1987
    Date of Patent: July 19, 1988
    Assignee: Crites Enterprises, Inc.
    Inventor: Michael K. Crites