Patents by Inventor Robert R. Bolin

Robert R. Bolin 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: 6694649
    Abstract: A rotary knife comprising, an annular blade having a central axis, a blade supporting head assembly supporting the blade for rotation about the axis, a manually grippable handle assembly connected to the head assembly, and a flex shaft drive transmission for driving the blade about the axis. A depth of cut limiting device engages material as an operator moves the rotary knife across a surface to trim material from that surface. The depth of cut limiting device has particular utility in trimming fat from meat while leaving a controlled thickness of fat on the meat.
    Type: Grant
    Filed: November 7, 2001
    Date of Patent: February 24, 2004
    Assignee: Bettcher Industries, Inc.
    Inventors: Jeffrey A. Whited, Robert L. Leimbach, Robert R. Bolin
  • Publication number: 20030084576
    Abstract: A rotary knife comprising, an annular blade having a central axis, a blade supporting head assembly supporting the blade for rotation about the axis, a manually grippable handle assembly connected to the head assembly, and a flex shaft drive transmission for driving the blade about the axis. A depth of cut limiting device engages material as an operator moves the rotary knife across a surface to trim material from that surface. The depth of cut limiting device has particular utility in trimming fat from meat while leaving a controlled thickness of fat on the meat.
    Type: Application
    Filed: November 7, 2001
    Publication date: May 8, 2003
    Applicant: Bettcher Industries, Inc.
    Inventors: Jeffrey A. Whited, Robert L. Leimbach, Robert R. Bolin