Patents by Inventor Douglas Arthur McDonald

Douglas Arthur McDonald 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).

  • Publication number: 20220274152
    Abstract: A punch and die assembly for a forming assembly for forming flared openings in commercial forming steel sheeting, includes a punch. The punch has a punching element having a base portion and a working portion that extends from a face of the base portion, the working portion defining a working edge with more than two substantially evenly spaced peaks and troughs for forming an opening in the steel sheeting during a working stroke. A flaring element is mountable on the base portion of the punching element, a side of the flaring element defining an arcuate flaring surface that tapers inwardly in the direction of the working stroke. A die supports the steel sheeting, the die having a die opening with a flared die face for facing the flaring surface of the flaring element such that the opening in the steel sheeting is flared by the flaring surface of the flaring element and the die face in the working stroke.
    Type: Application
    Filed: July 30, 2020
    Publication date: September 1, 2022
    Applicant: Rockhouse International Pty Ltd
    Inventors: David Hancock, Douglas Arthur McDonald
  • Patent number: 10895072
    Abstract: A frame system for a building structure includes beam members. Each beam member includes two opposed, parallel flanges. A web is interposed between the flanges. Spreader members include two opposed, parallel side flanges, a web interposed between the side flanges and two opposed end flanges bridging the side flanges at respective terminal ends of the web. The beam members and the spreader members are configured to be fastened to each other to form a frame assembly.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: January 19, 2021
    Assignee: Rockhouse International Pty Ltd
    Inventor: Douglas Arthur McDonald
  • Publication number: 20190078312
    Abstract: A frame system for a building structure includes beam members. Each beam member includes two opposed, parallel flanges. A web is interposed between the flanges. Spreader members include two opposed, parallel side flanges, a web interposed between the side flanges and two opposed end flanges bridging the side flanges at respective terminal ends of the web. The beam members and the spreader members are configured to be fastened to each other to form a frame assembly.
    Type: Application
    Filed: November 5, 2018
    Publication date: March 14, 2019
    Inventor: Douglas Arthur McDonald
  • Patent number: 10151100
    Abstract: A frame system for a building structure includes beam members. Each beam member comprises two opposed, parallel flanges. A web is interposed between the flanges. Spreader members comprise two opposed, parallel side flanges, a web interposed between the side flanges and two opposed end flanges bridging the side flanges at respective terminal ends of the web. The beam members and the spreader members are configured to be fastened to each other to form a frame assembly.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: December 11, 2018
    Assignee: ROCKHOUSE INTERNATIONAL PTY LTD
    Inventor: Douglas Arthur McDonald
  • Publication number: 20170204597
    Abstract: A frame system for a building structure includes beam members. Each beam member comprises two opposed, parallel flanges. A web is interposed between the flanges. Spreader members comprise two opposed, parallel side flanges, a web interposed between the side flanges and two opposed end flanges bridging the side flanges at respective terminal ends of the web. The beam members and the spreader members are configured to be fastened to each other to form a frame assembly.
    Type: Application
    Filed: July 7, 2015
    Publication date: July 20, 2017
    Inventor: Douglas Arthur McDonald