Patents by Inventor Jon R. Delaney

Jon R. Delaney 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).

  • Park brake sensor and transmission override
    Patent number: 5111921
    Abstract: A park brake sensor valve is added to a circuit having an engagement override valve (EOV). The EOV normally prevents engagement of the transmission any time a vehicle is started with the speed selector in any position other than neutral. The park brake selector valve causes the EOV to disengage the transmission anytime the park brake is activated.
    Type: Grant
    Filed: November 20, 1990
    Date of Patent: May 12, 1992
    Assignee: Deere & Company
    Inventors: Jeffrey C. Marks, Jon R. Delaney