Patents by Inventor Richard Harley Welch, Jr.

Richard Harley Welch, Jr. 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).

  • Linear actuator system and method
    Patent number: 7880345
    Abstract: A linear actuator system is described that includes a linear actuator, a first motor, and a second motor. The linear actuator is configured to transmit rotational motion to linear motion. The first motor is operatively connected to the linear actuator. The second motor is also operatively connected to the linear actuator. The first motor is configured to provide a different amount of force and a different speed to the linear actuator than the second motor. Methods of operating a linear actuator are also disclosed.
    Type: Grant
    Filed: April 5, 2007
    Date of Patent: February 1, 2011
    Assignee: Exlar Corporation
    Inventors: Benjamin Ralph Hoffmann, William Joseph Zerull, Richard Harley Welch, Jr.