Patents by Inventor Thomas J. Stack

Thomas J. Stack 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).

  • Patent number: 6744345
    Abstract: A circuit breaker includes a base housing comprising a contact cavity therein, first and second terminals at least partially located within said contact cavity, and a thermal trigger element fixedly coupled to said first terminal and in electrical contact with said second terminal in normal operation is provided. The thermal element is configured to activate and break electrical contact with said second terminal upon a predetermined current condition.
    Type: Grant
    Filed: May 6, 2002
    Date of Patent: June 1, 2004
    Assignee: Cooper Technologies
    Inventors: Jacek M. Korczynski, Kerri M. Moore, Thomas J. Stack
  • Publication number: 20030206094
    Abstract: A circuit breaker includes a base housing comprising a contact cavity therein, first and second terminals at least partially located within said contact cavity, and a thermal trigger element fixedly coupled to said first terminal and in electrical contact with said second terminal in normal operation is provided. The thermal element is configured to activate and break electrical contact with said second terminal upon a predetermined current condition.
    Type: Application
    Filed: May 6, 2002
    Publication date: November 6, 2003
    Inventors: Jacek M. Korczynski, Kerri M. Moore, Thomas J. Stack
  • Patent number: 5136905
    Abstract: A gasket punch and method for forming a gasket hole. The gasket punch is a single piece having a spherical head and a handle whereby the punch may be used to form gasket holes of various sizes up to the spherical head diameter with the gasket material on the machine part or platen and without the necessity of first forming an error prone pattern in the gasket material. The handle may have a diameter which is less than the spherical head diameter whereby the handle may be easily held and manipulated and the amount of material of which the punch is composed may be minimized. In order to provide a suitably small handle diameter without unnecessarily reducing strength and toughness, the gasket punch is preferably composed of forged steel.
    Type: Grant
    Filed: February 7, 1991
    Date of Patent: August 11, 1992
    Assignees: Joyce I. Stack, Thomas J. Stack
    Inventors: Joyce I. Stack, Thomas J. Stack, Jr.
  • Patent number: 5021761
    Abstract: A low voltage high-amp circuit breaker having a substantially rectangular bimetallic bistable element and a pair of terminals extending from the side thereof. The bistable element is attached to have one end move from a first normal electrically conductive position to a second non-electrically conductive position. The manual reset circuit breaker includes a manual reset lever and a non-conductive heat resistant extension blade connected to the reset lever via a rotatable shaft. The extension blade being positioned adjacent the moveable end of the bistable element and when the element is moved to its second position, the blade is moved to prevent the element from returning to its first conductive position until the circuit breaker is manually reset.
    Type: Grant
    Filed: September 28, 1989
    Date of Patent: June 4, 1991
    Assignee: Cooper Industries, Inc.
    Inventors: Thomas J. Stack, Jacek M. Korczynski
  • Patent number: 5004994
    Abstract: A low voltage high-amp circuit breaker (20) having a substantially reactangular bimetallic bistable element (41). The bistable element is attached to have one end move from a first normal electrically conductive position to a second non-electrically conductive position. The manual reset circuit breaker includes a manual reset lever (29) and a non-conductive heat resistant extension blade (64) connected to the reset lever via a rotatable shaft (56). The extension blade being positioned adjacent the moveable end of the bistable element and when the element is moved to its second position, the blade is moved to prevent the element from returning to its first conductive position until the circuit breaker is manually reset. A push-to-trip button (80) pushes plate (88) downward causing fingers (84) to move upward lifting bracket (92) to deform bistable element (41) placing the breaker in an open circuit condition.
    Type: Grant
    Filed: May 24, 1990
    Date of Patent: April 2, 1991
    Assignee: Cooper Industries, Inc.
    Inventors: Jacek M. Korczynski, Thomas J. Stack
  • Patent number: D321339
    Type: Grant
    Filed: September 28, 1989
    Date of Patent: November 5, 1991
    Assignee: Cooper Industries, Inc.
    Inventors: Thomas J. Stack, Jacek M. Korczynski
  • Patent number: D322960
    Type: Grant
    Filed: September 28, 1989
    Date of Patent: January 7, 1992
    Assignee: Cooper Industries, Inc.
    Inventors: Thomas J. Stack, Jacek M. Korczynski
  • Patent number: D357669
    Type: Grant
    Filed: February 24, 1993
    Date of Patent: April 25, 1995
    Assignee: Cooper Industries, Inc.
    Inventors: Thomas J. Stack, Jacek M. Korczynski