Patents by Inventor Cayn Murray PLOTKIN

Cayn Murray PLOTKIN 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).

  • Patent number: 11459720
    Abstract: A screw pile (10) comprises a hollow elongate shaft (12), a lower portion (14) rotatably mounted to the hollow elongate shaft (12), the lower portion (14) carrying a screw or one or more blades or plates (16, 18) for screwing of the screw pile into the ground. The screw pile may have a rotatable hub located at the lower end of the shaft, a rotatable hub carrying the screw or blades (16, 18). A drive tool can engage with the rotatable hub to rotate the hub and thereby rotate the blades to screw the pile into the ground.
    Type: Grant
    Filed: November 29, 2020
    Date of Patent: October 4, 2022
    Assignee: SOLAR PILE INTERNATIONAL (HK) LTD
    Inventors: Kym Anthony Plotkin, Cayn Murray Plotkin
  • Publication number: 20210238820
    Abstract: A screw pile (10) comprises a hollow elongate shaft (12), a lower portion (14) rotatably mounted to the hollow elongate shaft (12), the lower portion (14) carrying a screw or one or more blades or plates (16, 18) for screwing of the screw pile into the ground. The screw pile may have a rotatable hub located at the lower end of the shaft, a rotatable hub carrying the screw or blades (16, 18).
    Type: Application
    Filed: November 29, 2020
    Publication date: August 5, 2021
    Inventors: Kym Anthony PLOTKIN, Cayn Murray PLOTKIN
  • Patent number: 10876268
    Abstract: A screw pile (10) comprises a hollow elongate shaft (12), a lower portion (14) rotatably mounted to the hollow elongate shaft (12), the lower portion (14) carrying a screw or one or more blades or plates (16, 18) for screwing of the screw pile into the ground. The screw pile may have a rotatable hub located at the lower end of the shaft, a rotatable hub carrying the screw or blades (16, 18). A drive tool can engage with the rotatable hub to rotate the hub and thereby rotate the blades to screw the pile into the ground.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: December 29, 2020
    Assignee: SOLAR PILE INTERNATIONAL (HK) LTD
    Inventors: Kym Anthony Plotkin, Cayn Murray Plotkin
  • Publication number: 20190292742
    Abstract: A screw pile (10) comprises a hollow elongate shaft (12), a lower portion (14) rotatably mounted to the hollow elongate shaft (12), the lower portion (14) carrying a screw or one or more blades or plates (16, 18) for screwing of the screw pile into the ground. The screw pile may have a rotatable hub located at the lower end of the shaft, a rotatable hub carrying the screw or blades (16, 18). A drive tool can engage with the rotatable hub to rotate the hub and thereby rotate the blades to screw the pile into the ground.
    Type: Application
    Filed: November 16, 2017
    Publication date: September 26, 2019
    Inventors: Kym Anthony PLOTKIN, Cayn Murray PLOTKIN