Patents by Inventor Daryl A. Pfaff

Daryl A. Pfaff 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).

  • Adzer bit with cutting segments
    Patent number: 11298761
    Abstract: An adzer bit includes a support member that defines a through hole that is configured to receive a fastener. The support member includes a cap portion and a base portion. The support member also defines an annular slot that is axially disposed between the cutting segment cap portion and the base portion. A plurality of cutting segments are received and secured in the annular slot. The material of the plurality of cutting segments is harder than the material of the support member.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: April 12, 2022
    Assignee: Good Earth Tools, Inc.
    Inventors: Daryl A. Pfaff, Raymond W. Burns
  • ADZER BIT WITH CUTTING SEGMENTS
    Publication number: 20190329334
    Abstract: An adzer bit includes a support member that defines a through hole that is configured to receive a fastener. The support member includes a cap portion and a base portion. The support member also defines an annular slot that is axially disposed between the cutting segment cap portion and the base portion. A plurality of cutting segments are received and secured in the annular slot. The material of the plurality of cutting segments is harder than the material of the support member.
    Type: Application
    Filed: July 9, 2019
    Publication date: October 31, 2019
    Applicant: Good Earth Tools, Inc.
    Inventors: Daryl A. Pfaff, Raymond W. Burns
  • Adzer bit with cutting segments
    Patent number: 10357834
    Abstract: An adzer bit includes a support member that defines a through hole that is configured to receive a fastener. The support member includes a cutting segment cap portion and a base portion. The support member also defines an annular slot that is axially disposed between the cutting segment cap portion and the base portion. A plurality of cutting segments are received and secured in the annular slot. The material of the plurality of cutting segments is harder than the material of the support member.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: July 23, 2019
    Assignee: Good Earth Tools, Inc.
    Inventors: Daryl A. Pfaff, Raymond W. Burns
  • ADZER BIT WITH CUTTING SEGMENTS
    Publication number: 20170165767
    Abstract: An adzer bit includes a support member that defines a through hole that is configured to receive a fastener. The support member includes a cutting segment cap portion and a base portion. The support member also defines an annular slot that is axially disposed between the cutting segment cap portion and the base portion. A plurality of cutting segments are received and secured in the annular slot. The material of the plurality of cutting segments is harder than the material of the support member.
    Type: Application
    Filed: December 15, 2015
    Publication date: June 15, 2017
    Inventors: Daryl A. Pfaff, Raymond W. Burns