Patents by Inventor Wayne Welch

Wayne Welch 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).

  • CHAFING DISH THAT USES A SEALED CHAMBER OF OIL AS A HEAT TRANSFER MEDIUM
    Publication number: 20120217253
    Abstract: A chafing dish assembly includes a frame and a chafing dish that is insertable into the frame. The chafing dish comprises a sealed chamber of oil. A heat source is placed below the chafing dish to heat the oil. The oil transfers the heat to food within the chafing dish.
    Type: Application
    Filed: February 26, 2011
    Publication date: August 30, 2012
    Applicant: Cache Sales LLC
    Inventors: Matt Plott, Wayne Welch, Scott Galbraith
  • Motor drive actuator for downhole flow control devices
    Patent number: 6041857
    Abstract: Several motor driven embodiments are discussed which provide linear motion to a downhole flow control device. The embodiments employ ball screw assemblies or lead screw assemblies. A device for rotational actuation of a downhole flow control device is also disclosed.
    Type: Grant
    Filed: October 14, 1997
    Date of Patent: March 28, 2000
    Assignee: Baker Hughes Incorporated
    Inventors: Michael A. Carmody, Kevin R. Jones, Robert J. Coon, Douglas J. Murray, Mark E. Hopmann, Steven L. Jennings, Wayne Welch, Jeffry Edwards, David Martin