Patents by Inventor Tim Rulseh

Tim Rulseh 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).

  • Knife indexing apparatus
    Patent number: 6807886
    Abstract: The invention is for a knife indexing apparatus for a non-rotating core cutting knife and a means for automatically indexing the knife during core cutting operations. The apparatus employs the discovery that by indexing the knife in the direction of rotation of the core, at least one additional fresh cutting edge can be presented to the work than would be the case if the knife were rotated in the direction opposite to the direction of rotation of the core to be cut.
    Type: Grant
    Filed: December 28, 1998
    Date of Patent: October 26, 2004
    Assignee: Productive Solutions INC
    Inventors: Mark Rasper, Tim Rulseh
  • Quick change drive for core cutters
    Patent number: 6293174
    Abstract: A core drive for internal drive core cutters having a non-rotating pull rod and a rotating drive plate. The core drive has a rotating element assembly that releasably couples to the drive plate and a non-rotating element assembly that is secured to the pull rod with a quick release securement. The drive is mated with a pusher so that the drive and pusher kit can be interchangeable with kits of other diameters to enable the quick changing of a mandrel to cut a core of a different diameter.
    Type: Grant
    Filed: July 29, 1996
    Date of Patent: September 25, 2001
    Assignee: Productive Solutions, Inc.
    Inventor: Tim Rulseh
  • Combined circular knife and guard
    Patent number: D362006
    Type: Grant
    Filed: May 10, 1994
    Date of Patent: September 5, 1995
    Inventors: Tim Rulseh, Edwin Gast, Barry Hammerberg