Patents Assigned to Wilkinson Company, Inc.
  • Patent number: 6269928
    Abstract: An automatic chute closure for covering a chute opening wherein the chute closure includes a frame disposed around a chute opening, a chute door pivotally connected to the frame for movement between an opened and closed position, a door movement mechanism for opening and closing the chute door, a switch mechanism for activating and deactivating the door movement mechanism and a latch mechanism for securing the chute door in a closed position until the switch mechanism is activated to open the chute door. The automatic chute closure allows an operator to conveniently activate a single switch to open and close the chute door and to insure once the chute door is closed it is properly locked.
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: August 7, 2001
    Assignee: Wilkinson Company, Inc.
    Inventor: Christian Philip Kamm
  • Patent number: 6186306
    Abstract: An automatic chute closure for covering a chute opening wherein the chute closure includes a frame disposed around a chute opening, a chute door pivotally connected to the frame for movement between an opened and closed position, a door movement mechanism for opening and closing the chute door, a switch mechanism for activating and deactivating the door movement mechanism and a latch mechanism for securing the chute door in a closed position until the switch mechanism is activated to open the chute door. The automatic chute closure allows an operator to conveniently activate a single switch to open and close the chute door and to insure once the chute door is closed it is properly locked.
    Type: Grant
    Filed: January 3, 2000
    Date of Patent: February 13, 2001
    Assignee: Wilkinson Company, Inc.
    Inventor: Christian Philip Kamm
  • Patent number: 6062368
    Abstract: An automatic chute closure for covering a chute opening wherein the chute closure includes a frame disposed around a chute opening, a chute door pivotally connected to the frame for movement between an opened and closed position, a door movement mechanism for opening and closing the chute door, a switch mechanism for activating and deactivating the door movement mechanism and a latch mechanism for securing the chute door in a closed position until the switch mechanism is activated to open the chute door. The automatic chute closure allows an operator to conveniently activate a single switch to open and close the chute door and to insure once the chute door is closed it is properly locked.
    Type: Grant
    Filed: May 20, 1998
    Date of Patent: May 16, 2000
    Assignee: Wilkinson Company, Inc.
    Inventor: Christian Philip Kamm
  • Patent number: D356419
    Type: Grant
    Filed: October 4, 1993
    Date of Patent: March 14, 1995
    Assignee: Wilkinson Company, Inc.
    Inventor: Christian P. Kamm
  • Patent number: D365900
    Type: Grant
    Filed: October 4, 1993
    Date of Patent: January 2, 1996
    Assignee: Wilkinson Company, Inc.
    Inventor: Christian P. Kamm
  • Patent number: D368350
    Type: Grant
    Filed: April 17, 1995
    Date of Patent: March 26, 1996
    Assignee: Wilkinson Company, Inc.
    Inventor: Christian P. Kamm