Patents by Inventor Callum Russell Whitehead

Callum Russell Whitehead 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).

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    Patent number: D847300
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: April 30, 2019
    Assignee: PARKER HANNIFIN EMEA S.À.R.L.
    Inventors: Michael Graham, Stephen Stewart, Dominic James Thompson, Callum Russell Whitehead
  • Compressed air dryer
    Patent number: D893691
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: August 18, 2020
    Assignee: Parker Hannifin EMEA S.A.R.L.
    Inventors: Michael Graham, Stephen Stewart, Dominic James Thompson, Callum Russell Whitehead