Patents by Inventor Joseph D. Koehler

Joseph D. Koehler 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).

  • Milling drum having integral tool mounting blocks
    Patent number: 8950821
    Abstract: A tool mounting block is disclosed for use with a milling drum. The tool mounting block may have a flighting portion with a base surface configured to engage an outer cylindrical surface of the milling drum, and a mounting portion integrally formed with the flighting portion at a location opposite the base surface. The mounting portion may be configured to receive a separate tool holder. The tool mounting block may further have at least one locating feature integrally formed with the flighting and mounting portions. The at least one locating feature may be configured to interlock with at least one locating feature of an adjacent tool mounting block.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: February 10, 2015
    Assignee: Caterpillar Paving Products Inc.
    Inventors: Anne K. Fundakowski, Benjamin T. Schafer, Joseph D. Koehler
  • Milling drum tool holder
    Patent number: 8911024
    Abstract: A tool holder is disclosed for use with a milling drum. The tool holder may have a generally cylindrical body defining a first end configured to be received within a tool mounting block of the milling drum, and a second end configured to receive a cutting bit. The tool holder may also have a flange located between the first end and the second end, and a first blind bore initiating at the second end and stopping at the flange such that the generally cylindrical body is substantially solid at the flange. The tool holder may further have at least one sloped surface located at a side of the flange facing the first end of the generally cylindrical body.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: December 16, 2014
    Assignee: Caterpillar Paving Products Inc.
    Inventors: Anne K. Fundakowski, Benjamin T. Schafer, Joseph D. Koehler, David N. Peterson
  • MILLING DRUM HAVING INTEGRAL TOOL MOUNTING BLOCKS
    Publication number: 20140035346
    Abstract: A tool mounting block is disclosed for use with a milling drum. The tool mounting block may have a flighting portion with a base surface configured to engage an outer cylindrical surface of the milling drum, and a mounting portion integrally formed with the flighting portion at a location opposite the base surface. The mounting portion may be configured to receive a separate tool holder. The tool mounting block may further have at least one locating feature integrally formed with the flighting and mounting portions. The at least one locating feature may be configured to interlock with at least one locating feature of an adjacent tool mounting block.
    Type: Application
    Filed: July 31, 2012
    Publication date: February 6, 2014
    Inventors: Anne K. FUNDAKOWSKI, Benjamin T. SCHAFER, Joseph D. KOEHLER
  • MILLING DRUM TOOL HOLDER
    Publication number: 20140035345
    Abstract: A tool holder is disclosed for use with a milling drum. The tool holder may have a generally cylindrical body defining a first end configured to be received within a tool mounting block of the milling drum, and a second end configured to receive a cutting bit. The tool holder may also have a flange located between the first end and the second end, and a first blind bore initiating at the second end and stopping at the flange such that the generally cylindrical body is substantially solid at the flange. The tool holder may further have at least one sloped surface located at a side of the flange facing the first end of the generally cylindrical body.
    Type: Application
    Filed: July 31, 2012
    Publication date: February 6, 2014
    Inventors: Anne K. Fundakowski, Benjamin T. Schafer, Joseph D. Koehler, David N. Peterson
  • Mounting block for paving apparatus
    Patent number: D681069
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: April 30, 2013
    Assignee: Caterpillar Paving Products Inc.
    Inventors: Anne K. Fundakowski, Benjamin T. Schafer, Joseph D. Koehler