Patents by Inventor Harland D. Couillard

Harland D. Couillard 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).

  • Forming elements from concrete pipe
    Patent number: 7162783
    Abstract: An apparatus for removing a forming element from a concrete pipe includes a support member and a removal device including first and second elements. The first element is attachable to the forming element and has a stop. The second element is supported by the support member such that the second element is swingable with respect to the support member. In addition, the second element is engageable with the stop so as to apply a force to the first element for removing the forming element from the concrete pipe.
    Type: Grant
    Filed: April 12, 2004
    Date of Patent: January 16, 2007
    Inventor: Harland D. Couillard
  • Forming elements from concrete pipe
    Publication number: 20040187436
    Abstract: An apparatus for removing a forming element from a concrete pipe includes a support member and a removal device including first and second elements. The first element is attachable to the forming element and has a stop. The second element is supported by the support member such that the second element is swingable with respect to the support member. In addition, the second element is engageable with the stop so as to apply a force to the first element for removing the forming element from the concrete pipe.
    Type: Application
    Filed: April 12, 2004
    Publication date: September 30, 2004
    Inventor: Harland D. Couillard
  • Method and apparatus for removing forming elements from concrete pipe
    Patent number: 6748636
    Abstract: An apparatus for removing a forming element from a concrete pipe includes a support member and a removal device including first and second elements. The first element is attachable to the forming element and has a stop. The second element is supported by the support member such that the second element is swingable with respect to the support member. In addition, the second element is engageable with the stop so as to apply a force to the first element for removing the forming element from the concrete pipe.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: June 15, 2004
    Inventor: Harland D. Couillard
  • METHOD AND APPARATUS FOR REMOVING FORMING ELEMENTS FROM CONCRETE PIPE
    Publication number: 20030159263
    Abstract: An apparatus for removing a forming element from a concrete pipe includes a support member and a removal device including first and second elements. The first element is attachable to the forming element and has a stop. The second element is supported by the support member such that the second element is swingable with respect to the support member. In addition, the second element is engageable with the stop so as to apply a force to the first element for removing the forming element from the concrete pipe.
    Type: Application
    Filed: February 27, 2002
    Publication date: August 28, 2003
    Inventor: Harland D. Couillard