Patents by Inventor Keith Lipford

Keith Lipford 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).

  • Kitchen ventilation degreasing system
    Publication number: 20050178378
    Abstract: The present invention is a permanently installed automatic kitchen ventilation degreasing system. The system includes a cascading cleaning mechanism and drainage mechanism. A water feed tube carries water and cleaning agents to a conduit secured and centered within the ventilation ducts. The water and cleaning agents are sprayed in a cascading manner along the inner surface of the duct by spray nozzles located on nozzle blocks spaced at intervals along the conduit. The flow of solvent or rinse water through the nozzles is controlled by solenoid valves which are controlled by a programmable controller. The liquid run off is collected by a deflector and drained.
    Type: Application
    Filed: January 5, 2005
    Publication date: August 18, 2005
    Inventors: John Marshall, Joe Way, Keith Lipford, Brian Lipford
  • Apparatus for hematocrit determination and method for its use
    Publication number: 20040054283
    Abstract: The present invention provides an apparatus and method for measuring the properties of blood using ultrasound. The present invention is particularly suitable for measuring HCT, HGB, MCV, RBC, MCHC, MCH or TPC of blood.
    Type: Application
    Filed: August 28, 2002
    Publication date: March 18, 2004
    Inventors: Scott Corey, John Sakers, Keith Lipford, Samuel Reed, Brian Murphy