Patents by Inventor Dorothea Isabel Maud RIX

Dorothea Isabel Maud RIX 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).

  • Rolling assembly
    Patent number: 10842064
    Abstract: A rolling assembly, the rolling assembly including: a body; one or more surface rollers rotatable with respect to the body; and at least one rotatable sweeping device including: an elongate member rotatable with respect to the body; and a sweeping head located over the elongate member and rotatable with respect to the elongate member, wherein the sweeping head is configured to engage with the one or more surface rollers such that the rotation of the one or more surface rollers rotates the sweeping head.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: November 24, 2020
    Inventors: Dorothea Isabel Maud Rix, Raymond Jeffrey Dufty
  • Roller assembly
    Patent number: 10362737
    Abstract: A roller assembly including: a frame; a first undercarriage connected to the frame, the first undercarriage comprising: a first body; a rear roller connected to the first body; and a first overlapping roller that is elongate and connected to the first body; and a second undercarriage connected to the frame, the second undercarriage comprising: a second body; a front roller connected to the second body; and a second overlapping roller that is elongate and connected to the second body, wherein the first undercarriage is positioned adjacent to the second undercarriage such that the first overlapping roller overlaps the second overlapping roller.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: July 30, 2019
    Inventors: Dorothea Isabel Maud Rix, Raymond Jeffrey Dufty
  • A ROLLING ASSEMBLY
    Publication number: 20180359900
    Abstract: A rolling assembly, the rolling assembly including: a body; one or more surface rollers rotatable with respect to the body; and at least one rotatable sweeping device including: an elongate member rotatable with respect to the body; and a sweeping head located over the elongate member and rotatable with respect to the elongate member, wherein the sweeping head is configured to engage with the one or more surface rollers such that the rotation of the one or more surface rollers rotates the sweeping head.
    Type: Application
    Filed: June 16, 2016
    Publication date: December 20, 2018
    Inventors: Dorothea Isabel Maud RIX, Raymond Jeffrey DUFTY
  • A ROLLER ASSEMBLY
    Publication number: 20180220598
    Abstract: A roller assembly including: a frame; a first undercarriage connected to the frame, the first undercarriage comprising: a first body; a rear roller connected to the first body; and a first overlapping roller that is elongate and connected to the first body; and a second undercarriage connected to the frame, the second undercarriage comprising: a second body; a front roller connected to the second body; and a second overlapping roller that is elongate and connected to the second body, wherein the first undercarriage is positioned adjacent to the second undercarriage such that the first overlapping roller overlaps the second overlapping roller.
    Type: Application
    Filed: August 8, 2016
    Publication date: August 9, 2018
    Inventors: Dorothea Isabel Maud RIX, Raymond Jeffrey DUFTY