Patents by Inventor John A. Denner, Jr.

John A. Denner, 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).

  • Apparatus for and method of regulating the output power of gaseous lasers
    Patent number: 4171518
    Abstract: There is described a method of and apparatus for regulating the output power of lasers of the type utilizing a heated high velocity flowing gas. The method and apparatus comprise a plurality of separate sources of the gas in combination with a segmented diffuser section wherein at least one but not all of the diffuser sections can be blocked to selectively permit use of all or less than all of the gas sources, thereby permitting regulation of output power by regulating the mass flow through the optically resonant cavity disposed between the sources of gas and the diffuser.
    Type: Grant
    Filed: October 1, 1968
    Date of Patent: October 16, 1979
    Assignee: Avco Corporation
    Inventors: John A. Denner, Jr., Richard A. Allen