Patents Assigned to Northwestern Tools, Inc.
  • Press-thru plunger and methods of manufacture and use
    Patent number: 8261424
    Abstract: A spring plunger for insertion into an aperture, the spring plunger including a body having a recess and a proximal opening to the recess surrounded by a chamfered rim with the chamfered rim extending at least partially across the recess. A coil spring and plunger are retained within the recess, with the plunger abutting the coil spring and contacting the chamfered rim. Also, a method of manufacturing a spring plunger and a method of use.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: September 11, 2012
    Assignee: Northwestern Tools, Inc.
    Inventors: James Thomeczek, Scott Williamson
  • Method for configuring a handle used on a machine tool
    Patent number: 7555821
    Abstract: A plunger with interchangeable handle system for machine tools. The plunger includes a shank adapted to engage a machine tool and having a retractable plunger and a threaded adapter, the interchangeable handle system includes a plurality of knobs, each having a discrete shape differing from the others and a socket to receive the threaded adapter of the shank.
    Type: Grant
    Filed: June 15, 2007
    Date of Patent: July 7, 2009
    Assignee: Northwestern Tools, Inc.
    Inventors: James R. Thomeczek, Thomas A. Thomeczek, Scott R. Williamson
  • PLUNGER WITH INTERCHANGEABLE HANDLE SYSTEM
    Publication number: 20070241521
    Abstract: A plunger with interchangeable handle system for machine tools. The plunger includes a shank adapted to engage a machine tool and having a retractable plunger and a threaded adapter, the interchangeable handle system includes a plurality of knobs, each having a discrete shape differing from the others and a socket to receive the threaded adapter of the shank.
    Type: Application
    Filed: June 15, 2007
    Publication date: October 18, 2007
    Applicant: NORTHWESTERN TOOLS, INC.
    Inventors: James Thomeczek, Thomas Thomeczek, Scott Williamson
  • Plunger with interchangeable handle system
    Patent number: 7255020
    Abstract: A plunger with interchangeable handle system for machine tools. The plunger includes a shank adapted to engage a machine tool and having a retractable plunger and a threaded adapter, the interchangeable handle system includes a plurality of knobs, each having a discrete shape differing from the others and a socket to receive the threaded adapter of the shank.
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: August 14, 2007
    Assignee: Northwestern Tools, Inc.
    Inventors: James R. Thomeczek, Thomas A. Thomeczek, Scott R. Williamson