Patents by Inventor Colin Wemyss

Colin Wemyss 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).

  • Agricultural ground opener depth adjustment mechanism
    Patent number: 11653586
    Abstract: Ground opener units for agricultural seeding machinery and the like utilise a gauge wheel and associated depth adjustment mechanism for regulating the penetration depth of the disk opener in use. An improved gauge wheel adjustment assembly comprises a spindle adapted to be rotatably supported in a spindle sleeve, the spindle having a shaft with a first end with a rectangular boss adapted for engagement with a depth adjustment handle of the disk opener and a second end with a tapered spline engagement formation. A gauge wheel support arm has a complementary tapered spline formation for engagement with the spindle second end.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: May 23, 2023
    Assignee: BPR Engineering Pty Ltd
    Inventor: Colin Wemyss
  • Agricultural Ground Opener Depth Adjustment Mechanism
    Publication number: 20220061203
    Abstract: Ground opener units for agricultural seeding machinery and the like utilise a gauge wheel and associated depth adjustment mechanism for regulating the penetration depth of the disk opener in use. An improved gauge wheel adjustment assembly comprises a spindle adapted to be rotatably supported in a spindle sleeve, the spindle having a shaft with a first end with a rectangular boss adapted for engagement with a depth adjustment handle of the disk opener and a second end with a tapered spline engagement formation. A gauge wheel support arm has a complementary tapered spline formation for engagement with the spindle second end.
    Type: Application
    Filed: September 2, 2020
    Publication date: March 3, 2022
    Inventor: Colin Wemyss
  • Spindle
    Patent number: D1015384
    Type: Grant
    Filed: April 14, 2023
    Date of Patent: February 20, 2024
    Assignee: BPR ENGINEERING PTY LTD
    Inventor: Colin Wemyss