Patents by Inventor Donald W. Zurwelle

Donald W. Zurwelle 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).

  • Surface mountable assembly for a line generating device
    Patent number: 7296360
    Abstract: A light detector which includes a housing having front and rear walls, a light receiving section disposed on the front wall, and displays disposed on the front and rear walls for showing the location of received light relative on the light receiving section. Also disclosed is a laser level including a motor, a shaft driven by the motor, a housing fixedly disposed on the shaft, the housing having a bore therein, a barrel, and a screw disposed on the housing and contracting the barrel for adjusting the pivotal position of the barrel.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: November 20, 2007
    Assignee: Black and Decker
    Inventors: Karim El-Katcha, William R. Reeve, Robert E. McCracken, Allen Brelsford, Donald W. Zurwelle, Fred S. Watts
  • Laser level
    Patent number: 7266898
    Abstract: A light detector which includes a housing having front and rear walls, a light receiving section disposed on the front wall, and displays disposed on the front and rear walls for showing the location of received light relative on the light receiving section. Also disclosed is a laser level including a motor, a shaft driven by the motor, a housing fixedly disposed on the shaft, the housing having a bore therein, a barrel, and a screw disposed on the housing and contracting the barrel for adjusting the pivotal position of the barrel.
    Type: Grant
    Filed: January 13, 2006
    Date of Patent: September 11, 2007
    Assignee: Black & Decker Inc.
    Inventors: Karim El-Katcha, William R. Reeve, Robert E. McCracken, Allen Brelsford, Donald W. Zurwelle, Fred S. Watts
  • Laser level
    Patent number: 7013571
    Abstract: A light detector which includes a housing having front and rear walls, a light receiving section disposed on the front wall, and displays disposed on the front and rear walls for showing the location of received light relative on the light receiving section. Also disclosed is a laser level including a motor, a shaft driven by the motor, a housing fixedly disposed on the shaft, the housing having a bore therein, a barrel pivotally connected to the housing, a laser diode module disposed within the barrel, and a screw disposed on the housing and contacting the barrel for adjusting the pivotal position of the barrel.
    Type: Grant
    Filed: July 15, 2004
    Date of Patent: March 21, 2006
    Assignee: Black & Decker Inc.
    Inventors: Karim El-Katcha, William R. Reeve, Robert E. McCracken, Allen Brelsford, Donald W. Zurwelle, Fred S. Watts
  • Laser level
    Patent number: 6915583
    Abstract: A light detector which includes a housing having front and rear walls, a light receiving section disposed on the front wall, and displays disposed on the front and rear walls for showing the location of received light relative on the light receiving section. Also disclosed is a laser level including a motor, a shaft driven by the motor, a housing fixedly disposed on the shaft, the housing having a bore therein, a barrel pivotally connected to the housing, a laser diode module disposed within the barrel, and a screw disposed on the housing and contacting the barrel for adjusting the pivotal position of the barrel.
    Type: Grant
    Filed: June 3, 2003
    Date of Patent: July 12, 2005
    Assignee: Black & Decker, Inc.
    Inventors: Karim El-Katcha, William R. Reeve, Robert E. McCracken, Allen Brelsford, Donald W. Zurwelle, Fred S. Watts
  • Laser level
    Publication number: 20040031163
    Abstract: A light detector which includes a housing having front and rear walls, a light receiving section disposed on the front wall, and displays disposed on the front and rear walls for showing the location of received light relative on the light receiving section. Also disclosed is a laser level including a motor, a shaft driven by the motor, a housing fixedly disposed on the shaft, the housing having a bore therein, a barrel pivotally connected to the housing, a laser diode module disposed within the barrel, and a screw disposed on the housing and contacting the barrel for adjusting the pivotal position of the barrel.
    Type: Application
    Filed: June 3, 2003
    Publication date: February 19, 2004
    Inventors: Karim El-Katcha, William R. Reeve, Robert E. McCracken, Allen Brelsford, Donald W. Zurwelle, Fred S. Watts
  • Laser level
    Patent number: 6606798
    Abstract: A light detector which includes a housing having front and rear walls, a light receiving section disposed on the front wall, and displays disposed on the front and rear walls for showing the location of received light relative on the light receiving section. Also disclosed is a laser level including a motor, a shaft driven by the motor, a housing fixedly disposed on the shaft, the housing having a bore therein, a barrel pivotally connected to the housing, a laser diode module disposed within the barrel, and a screw disposed on the housing and contacting the barrel for adjusting the pivotal position of the barrel.
    Type: Grant
    Filed: February 1, 2002
    Date of Patent: August 19, 2003
    Assignee: Black & Decker Inc.
    Inventors: Karim El-Katcha, William R. Reeve, Robert E. McCracken, Allen Brelsford, Donald W. Zurwelle, Fred S. Watts
  • Laser level
    Publication number: 20020162233
    Abstract: A light detector which includes a housing having front and rear walls, a light receiving section disposed on the front wall, and displays disposed on the front and rear walls for showing the location of received light relative on the light receiving section. Also disclosed is a laser level including a motor, a shaft driven by the motor, a housing fixedly disposed on the shaft, the housing having a bore therein, a barrel pivotally connected to the housing, a laser diode module disposed within the barrel, and a screw disposed on the housing and contacting the barrel for adjusting the pivotal position of the barrel.
    Type: Application
    Filed: February 1, 2002
    Publication date: November 7, 2002
    Inventors: Karim El-Katcha, William R. Reeve, Robert E. McCracken, Allen Brelsford, Donald W. Zurwelle, Fred S. Watts
  • Shoe for a circular saw
    Patent number: D439483
    Type: Grant
    Filed: April 11, 2000
    Date of Patent: March 27, 2001
    Assignee: Black & Decker Inc.
    Inventors: Donald W. Zurwelle, Bruce M. Waters, Brand Hollinger, Meyric K. Rogers
  • Protective assembly
    Patent number: D444459
    Type: Grant
    Filed: August 11, 1999
    Date of Patent: July 3, 2001
    Assignee: Black & Decker Inc.
    Inventors: Brian J. Matt, Daniel F. Cuffaro, Charles W. Sears, Jonathan A. Marks, Donald W. Zurwelle, Martin P. Gierke, Roger Q. Smith, Lowell D. Lueking
  • Light detector
    Patent number: D452181
    Type: Grant
    Filed: February 23, 2001
    Date of Patent: December 18, 2001
    Assignee: Black & Decker Inc.
    Inventor: Donald W. Zurwelle
  • Screwdriver
    Patent number: D452639
    Type: Grant
    Filed: March 8, 1999
    Date of Patent: January 1, 2002
    Assignee: Black & Decker Inc.
    Inventor: Donald W. Zurwelle
  • Portion of a battery pack
    Patent number: D460413
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: July 16, 2002
    Assignee: Black & Decker Inc.
    Inventors: Donald W. Zurwelle, Paul S. White, Michael J. Agnes
  • Power tool
    Patent number: D531868
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: November 14, 2006
    Assignee: Black & Decker Inc.
    Inventor: Donald W. Zurwelle
  • Laser level
    Patent number: D464578
    Type: Grant
    Filed: February 23, 2001
    Date of Patent: October 22, 2002
    Assignee: Black & Decker Inc.
    Inventor: Donald W. Zurwelle
  • Drill
    Patent number: D466386
    Type: Grant
    Filed: June 14, 2002
    Date of Patent: December 3, 2002
    Assignee: Black & Decker Inc.
    Inventor: Donald W. Zurwelle
  • Circular saw portion
    Patent number: D466782
    Type: Grant
    Filed: November 8, 2000
    Date of Patent: December 10, 2002
    Assignee: Black & Decker Inc.
    Inventors: Donald W. Zurwelle, Bruce M. Waters, Brand Hollinger, Meyric K. Rogers
  • Latch arrangement for a battery pack
    Patent number: D466863
    Type: Grant
    Filed: April 16, 2001
    Date of Patent: December 10, 2002
    Assignee: Black & Decker Inc.
    Inventors: Donald W. Zurwelle, Paul S. White, Michael J. Agnes
  • Laser level
    Patent number: D476584
    Type: Grant
    Filed: May 6, 2002
    Date of Patent: July 1, 2003
    Assignee: Black & Decker Inc.
    Inventor: Donald W. Zurwelle
  • Battery pack
    Patent number: D432077
    Type: Grant
    Filed: July 28, 1999
    Date of Patent: October 17, 2000
    Assignee: Black & Decker Inc.
    Inventors: Donald W. Zurwelle, Paul S. White, Michael J. Agnes
  • Kit box
    Patent number: D432304
    Type: Grant
    Filed: September 20, 1999
    Date of Patent: October 24, 2000
    Assignee: Black & Decker Inc.
    Inventors: Donald W. Zurwelle, Meyric K. Rogers, Bruce M. Waters, Bradford Hollinger, Max Kessler