Patents by Inventor Steven Peter Baldwin

Steven Peter Baldwin 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).

  • Cast metal article and a method of its manufacture
    Patent number: 8211298
    Abstract: A method of manufacturing a cast article including a frame that in use of the article defines an aperture; and a further component that is in use retained moveably captive relative to the frame. The method casts the further component and respective first and second frame members, the further component and the frame members being securable together to form the article, and subsequently assembles the frame members and the further component together to form the article. A gully grate results from practicing the method.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: July 3, 2012
    Assignee: Saint-Gobain Pam
    Inventors: Alan J. Pendleton, Keith Stanley Thompson, John Neil Pickavance, Steven Peter Baldwin
  • CAST ARTICLE AND A METHOD OF ITS MANUFACTURE
    Publication number: 20090266754
    Abstract: A method of manufacturing a cast article including a frame that in use of the article defines an aperture; and a further component that is in use retained moveably captive relative to the frame. The method casts the further component and respective first and second frame members, the further component and the frame members being securable together to form the article, and subsequently assembles the frame members and the further component together to form the article. A gully grate results from practicing the method.
    Type: Application
    Filed: December 19, 2005
    Publication date: October 29, 2009
    Applicant: Saint-Gobain Pam
    Inventors: Alan Jack Pendleton, Keith Stanley Thompson, John Neil Pickavance, Steven Peter Baldwin