Patents by Inventor Robert G. McAlpine

Robert G. McAlpine 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).

  • Plumbing connector, assembly and associated methods
    Patent number: 11525532
    Abstract: A connector includes a seat portion and a body portion. The seat portion includes a seat having a first curved surface. The body portion includes a curved body having a second curved surface. A nut portion is screwed to the seat portion, with a flexible portion and washer disposed therebetween. To connect the seat portion and the body portion, the curved body can be inserted through an opening of the nut portion, and the flexible portion and washer. The flexible portion may resist, but not stop, the curved body from being moved therethrough. The curved body may be seated within the seat and configured such that angular and/or rotational adaptation of the seat portion relative to the body portion is permitted. The nut portion can be adjusted to compress the flexible portion such that the curved body is retained in the vicinity of the seat, while still permitting angular and/or rotational adaptation of the seat portion relative to the body portion.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: December 13, 2022
    Assignee: McAlpine & Co., Limited
    Inventors: James Edward McAlpine, Robert G. McAlpine
  • PLUMBING CONNECTOR, ASSEMBLY AND ASSOCIATED METHODS
    Publication number: 20200370690
    Abstract: A connector includes a seat portion and a body portion. The seat portion includes a seat having a first curved surface. The body portion includes a curved body having a second curved surface. A nut portion is screwed to the seat portion, with a flexible portion and washer disposed therebetween. To connect the seat portion and the body portion, the curved body can be inserted through an opening of the nut portion, and the flexible portion and washer. The flexible portion may resist, but not stop, the curved body from being moved therethrough. The curved body may be seated within the seat and configured such that angular and/or rotational adaptation of the seat portion relative to the body portion is permitted. The nut portion can be adjusted to compress the flexible portion such that the curved body is retained in the vicinity of the seat, while still permitting angular and/or rotational adaptation of the seat portion relative to the body portion.
    Type: Application
    Filed: August 17, 2018
    Publication date: November 26, 2020
    Inventors: James Edward McAlpine, Robert G. McAlpine
  • Overflow cover with plug handle for a sanitary appliance
    Patent number: D808503
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: January 23, 2018
    Assignee: McAlpine & Co. Limited
    Inventor: Robert G. McAlpine