Patents by Inventor Robert W. Butzen

Robert W. Butzen 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).

  • Publication number: 20240342812
    Abstract: A shearing tool for shearing a strut channel includes a housing, a drive casing coupled to the housing, an output movable along a longitudinal axis relative to the drive casing between an extended position and a retracted position, and a die. The die includes a front face, a rear face opposite the front face, and a cutout extending through the front and rear faces, the cutout configured to receive the strut channel therethrough. A die retaining mechanism is movable between a locked configuration, in which the die retaining mechanism couples the die to the output for movement therewith between the extended position and the retracted position, and an unlocked configuration, in which the die is removable from the drive casing. The die retaining mechanism is movable from the locked configuration to the unlocked configuration without the use of tools.
    Type: Application
    Filed: August 1, 2022
    Publication date: October 17, 2024
    Inventors: Ryan G. Meves, Robert W. Butzen, Nathaniel P. Olbrich
  • Patent number: 12097565
    Abstract: A reciprocating saw blade including a body, an attachment portion, a cutting portion formed on the body including a plurality of cutting teeth, and a plunge point for initiating a plunge cut including a plunge tooth and a leading gullet between the plunge tooth and a first tooth of the plurality of cutting teeth. A first angle of the rake face of the plunge tooth is measured through the plunge tooth. A second angle of the rake face of the first cutting tooth is measured through the first cutting tooth. One of the first angle and the second angle is greater than 90 degrees and the other is less than 90 degrees. At least the first cutting tooth is set. The rake face defining the first angle is spaced from the rake face defining the second angle by a distance greater than the pitch of the plurality of cutting teeth.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: September 24, 2024
    Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
    Inventors: Robert W. Butzen, Austin J. Kazda, Andrew J. Schulz
  • Publication number: 20230001497
    Abstract: A reciprocating saw blade for use with a reciprocating saw. The reciprocating saw blade includes a body defining a longitudinal axis, and a cutting portion formed on the body. The cutting portion includes a plurality of cutting teeth, each cutting tooth including a tip and a protrusion, each tip spaced a separation distance from a corresponding protrusion in a direction perpendicular to the longitudinal axis. A protrusion of a first cutting tooth is spaced a gap distance from a tip of an adjacent second cutting tooth in a direction parallel to the longitudinal axis. A ratio of the separation distance to the gap distance is at least 0.4 and no greater than 0.5.
    Type: Application
    Filed: September 1, 2022
    Publication date: January 5, 2023
    Inventors: Robert W. Butzen, Austin J. Kazda, Andrew J. Schulz
  • Patent number: 11433467
    Abstract: A reciprocating saw blade includes a body defining a longitudinal axis. The blade includes a cutting portion having a plurality of cutting teeth. Each cutting tooth includes a protrusion and a tip spaced a first distance from the protrusion. The tip of a first cutting tooth is spaced a pitch distance from the tip of an adjacent second cutting tooth. A gullet is defined between the tip of the first cutting tooth and the protrusion of the adjacent second cutting tooth. The tip of a respective cutting tooth is spaced a tip height distance from a base of the gullet. An apex of the protrusion is spaced a protrusion height distance from the base of the gullet. The protrusion height distance is 65% to 68% of the tip height distance. The first distance is 40% to 77% of the pitch distance.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: September 6, 2022
    Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
    Inventors: Robert W. Butzen, Austin J. Kazda, Andrew J. Schulz
  • Publication number: 20220118537
    Abstract: A saw blade for use with a power tool includes a body with a first planar surface and a second planar surface opposite the first planar surface. The saw blade also includes an attachment portion that is configured to couple to the power tool. The attachment portion includes a tang and an aperture. The saw blade further includes a cutting edge with a plurality of cutting teeth and a plurality of hexagons formed on the first planar surface. The plurality of hexagons are arranged in a honeycomb pattern in which at least one side of each hexagon is substantially parallel to a corresponding side of an adjacent hexagon.
    Type: Application
    Filed: December 23, 2021
    Publication date: April 21, 2022
    Inventors: Robert W. Butzen, Erich Herman, Austin J. Kazda, Ryan J. Malloy, Roger D. Neitzell, Andrew J. Schulz, James M. Schreiber, Courtney D. McCool
  • Publication number: 20210394290
    Abstract: A reciprocating saw blade including a body, an attachment portion, a cutting portion formed on the body including a plurality of cutting teeth, and a plunge point for initiating a plunge cut including a plunge tooth and a leading gullet between the plunge tooth and a first tooth of the plurality of cutting teeth. A first angle of the rake face of the plunge tooth is measured through the plunge tooth. A second angle of the rake face of the first cutting tooth is measured through the first cutting tooth. One of the first angle and the second angle is greater than 90 degrees and the other is less than 90 degrees. At least the first cutting tooth is set. The rake face defining the first angle is spaced from the rake face defining the second angle by a distance greater than the pitch of the plurality of cutting teeth.
    Type: Application
    Filed: September 2, 2021
    Publication date: December 23, 2021
    Inventors: Robert W. Butzen, Austin J. Kazda, Andrew J. Schulz
  • Patent number: 11141805
    Abstract: A reciprocating saw blade including a body, an attachment portion, a cutting portion formed on the body including a plurality of cutting teeth, and a plunge point for initiating a plunge cut including a plunge tooth and a leading gullet between the plunge tooth and a first tooth of the plurality of cutting teeth. A first angle of the rake face of the plunge tooth is measured through the plunge tooth. A second angle of the rake face of the first cutting tooth is measured through the first cutting tooth. One of the first angle and the second angle is greater than 90 degrees and the other is less than 90 degrees. At least the first cutting tooth is set. The rake face defining the first angle is spaced from the rake face defining the second angle by a distance greater than the pitch of the plurality of cutting teeth.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: October 12, 2021
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Robert W. Butzen, Austin J. Kazda, Andrew J. Schulz
  • Publication number: 20210220932
    Abstract: A reciprocating saw blade includes a body defining a longitudinal axis. The blade includes a cutting portion having a plurality of cutting teeth. Each cutting tooth includes a protrusion and a tip spaced a first distance from the protrusion. The tip of a first cutting tooth is spaced a pitch distance from the tip of an adjacent second cutting tooth. A gullet is defined between the tip of the first cutting tooth and the protrusion of the adjacent second cutting tooth. The tip of a respective cutting tooth is spaced a tip height distance from a base of the gullet. An apex of the protrusion is spaced a protrusion height distance from the base of the gullet. The protrusion height distance is 65% to 68% of the tip height distance. The first distance is 40% to 77% of the pitch distance.
    Type: Application
    Filed: April 8, 2021
    Publication date: July 22, 2021
    Inventors: Robert W. Butzen, Austin J. Kazda, Andrew J. Schulz
  • Patent number: 11007588
    Abstract: A reciprocating saw blade includes a body defining a longitudinal axis. The saw blade includes an attachment portion coupled to the body. The attachment portion is able to couple to a reciprocating saw. The saw blade further includes a cutting portion having a plurality of cutting teeth. Each cutting tooth includes a tip and a protrusion spaced a first distance from the tip. The protrusion of a respective cutting tooth is spaced a first distance from the tip of the cutting tooth in a direction parallel to the longitudinal axis. A gullet is defined between the tip of a first cutting tooth and the protrusion of an adjacent second cutting tooth. The gullet includes a gullet width in a direction parallel to the longitudinal axis. The first distance is greater than the gullet width.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: May 18, 2021
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Robert W. Butzen, Austin J. Kazda, Andrew J. Schulz
  • Publication number: 20200276662
    Abstract: A reciprocating saw blade including a body, an attachment portion, a cutting portion formed on the body including a plurality of cutting teeth, and a plunge point for initiating a plunge cut including a plunge tooth and a leading gullet between the plunge tooth and a first tooth of the plurality of cutting teeth. A first angle of the rake face of the plunge tooth is measured through the plunge tooth. A second angle of the rake face of the first cutting tooth is measured through the first cutting tooth. One of the first angle and the second angle is greater than 90 degrees and the other is less than 90 degrees. At least the first cutting tooth is set. The rake face defining the first angle is spaced from the rake face defining the second angle by a distance greater than the pitch of the plurality of cutting teeth.
    Type: Application
    Filed: March 31, 2020
    Publication date: September 3, 2020
    Inventors: Robert W. Butzen, Austin J. Kazda, Andrew J. Schulz
  • Patent number: 10722961
    Abstract: A saw blade for use with a reciprocating saw includes a body and an attachment portion extending from the body. The attachment portion includes a tang and an aperture configured to connect to the reciprocating saw. The saw blade also includes a cutting portion formed on the body. The cutting portion includes a plurality of cutting teeth, and first and second floor guard teeth spaced apart and positioned adjacent at least one of the plurality of cutting teeth. Each cutting tooth has a tip that defines a plane. The body has a first height measured generally perpendicularly from a back edge of the body to the plane. The attachment portion has a second height measured generally perpendicular to the plane. A ratio of the first height to the second height is between approximately 4 and approximately 5. The first and second floor guard teeth extend beyond the plane.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: July 28, 2020
    Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
    Inventors: Austin J. Kazda, Robert W. Butzen, Andrew J. Schulz
  • Patent number: 10639732
    Abstract: A reciprocating saw blade includes a body having a first end portion, a second end portion, and a plunge point formed on the second end portion of the body. The plunge point includes a leading tooth and a leading gullet. The leading tooth includes a rake face and a tip. The leading gullet includes a base extending from the rake face of the leading tooth to the plurality of cutting teeth. The plunge point includes a second tooth protruding from the base of the leading gullet. The second tooth includes a tip positioned further from the base of the leading gullet than the tip of the second tooth in a direction transverse to a longitudinal axis of the body. The cutting portion also includes a plurality of gullets formed between a plurality of cutting teeth. The leading gullet is larger than each gullet of the plurality of gullets.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: May 5, 2020
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Robert W. Butzen, Austin J. Kazda, Andrew J. Schulz
  • Publication number: 20190168322
    Abstract: A saw blade for use with a power tool includes a body with a first planar surface and a second planar surface opposite the first planar surface. The saw blade also includes an attachment portion that is configured to couple to the power tool. The attachment portion includes a tang and an aperture. The saw blade further includes a cutting edge with a plurality of cutting teeth and a plurality of hexagons formed on the first planar surface. The plurality of hexagons are arranged in a honeycomb pattern in which at least one side of each hexagon is substantially parallel to a corresponding side of an adjacent hexagon.
    Type: Application
    Filed: February 5, 2019
    Publication date: June 6, 2019
    Inventors: Robert W. Butzen, Erich Herman, Austin J. Kazda, Ryan J. Malloy, Roger D. Neitzell, Andrew J. Schulz, James M. Schreiber, Courtney D. McCool
  • Patent number: D867083
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: November 19, 2019
    Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
    Inventors: Robert W. Butzen, Austin J. Kazda, Andrew J. Schulz
  • Patent number: D903448
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: December 1, 2020
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Austin J. Kazda, Ryan J. Malloy, Robert W. Butzen, Andrew J. Schulz, Roger D. Neitzell, Courtney D. McCool
  • Patent number: D903449
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: December 1, 2020
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Austin J. Kazda, Ryan J. Malloy, Robert W. Butzen, Andrew J. Schulz, Roger D. Neitzell, Courtney D. McCool
  • Patent number: D936437
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: November 23, 2021
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Austin J. Kazda, Robert W. Butzen, Andrew J. Schulz
  • Patent number: D977926
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: February 14, 2023
    Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
    Inventors: Robert W. Butzen, Austin J. Kazda, Andrew J. Schulz
  • Patent number: D996166
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: August 22, 2023
    Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
    Inventors: Austin J. Kazda, Ryan J. Malloy, Robert W. Butzen, Andrew J. Schulz, Roger D. Neitzell, Courtney D. McCool
  • Patent number: D1012142
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: January 23, 2024
    Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
    Inventors: Ryan G. Meves, Robert W. Butzen