Patents by Inventor Stuart V. Allen

Stuart V. Allen 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).

  • Publication number: 20130000557
    Abstract: A process for the coating of substrates comprising insertion of a substrate into a process oven, plasma cleaning of the substrate, dehydration of the substrate, withdrawal of a metered amount of one or more chemicals from one or more chemical reservoirs, vaporizing the withdrawn chemicals in one or more vapor chambers, and transfer of the vaporized chemicals into a process oven, thereby reacting with the substrate. An apparatus for the coating of substrates comprising a process oven, a gas plasma generator, a metered chemical withdrawal subsystem, and a vaporization subsystem.
    Type: Application
    Filed: June 4, 2012
    Publication date: January 3, 2013
    Inventors: William A. Moffat, Boris C. Randazzo, Craig W. McCoy, Stuart V. Allen
  • Patent number: 8252375
    Abstract: A process for the coating of substrates comprising insertion of a substrate into a process oven, plasma cleaning of the substrate, dehydration of the substrate, withdrawal of a metered amount of one or more chemicals from one or more chemical reservoirs, vaporizing the withdrawn chemicals in one or more vapor chambers, and transfer of the vaporized chemicals into a process oven, thereby reacting with the substrate. An apparatus for the coating of substrates comprising a process oven, a gas plasma generator, a metered chemical withdrawal subsystem, and a vaporization subsystem.
    Type: Grant
    Filed: June 8, 2005
    Date of Patent: August 28, 2012
    Assignee: Yield Engineering Systems, Inc.
    Inventors: William A. Moffat, Boris C. Randazzo, Craig W. McCoy, Stuart V. Allen
  • Patent number: 5815637
    Abstract: The humidifier for controlling humidity in a semi-conductor manufacturing environment provides a trickle water refill level control system for maintaining an accurate flow of refill water into the humidifier water tank. A water supply provides a substantially constant rate of flow of water to a conduit connected between the humidifier tank inlet port and the water overflow tank inlet port, to allow the excess water supplied to the humidifier water tank to flow to the overflow tank. The overflow tank has a float level control allowing for operation of the steam generating humidifier at higher steam pressures, and increased stability of the steam generation rate. A pressure equalization line is also connected between an upper portion of the humidifier water tank and an upper air reservoir of the water overflow tank for equalizing pressure between the humidifier water tank and the water overflow tank.
    Type: Grant
    Filed: May 13, 1996
    Date of Patent: September 29, 1998
    Assignee: Semifab Corporation
    Inventors: Stuart V. Allen, Robert Bruce Eglinton
  • Patent number: 4754567
    Abstract: A double set trigger for a rifle is disclosed, consisting of a sear, a middle lever, a firing trigger, a set trigger, a catch for the set trigger, and a lever to sense the presence of the rifle bolt. The double set trigger has two springs, one for a light pull and one for a heavy pull. The force from the heavy pull spring is applied through the set trigger. The catch withholds the set trigger from the firing trigger for a light pull; the catch may be released by a second pull on the set trigger. The bolt sensing lever will release the set trigger if the bolt is withdrawn. A counterweight locates the center of gravity of the firing trigger concentric with the pivot point of the firing trigger.
    Type: Grant
    Filed: January 9, 1987
    Date of Patent: July 5, 1988
    Inventors: Carl R. Lehfeldt, Stuart V. Allen