Patents by Inventor George Holstein

George Holstein 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).

  • Refrigeration mechanical diagnostic protection and control device
    Publication number: 20060075771
    Abstract: In vapor compression refrigeration systems a mechanism and method are provided for protecting a compressor from failures related to lack of superheat, loss of lubricating oil and other system malfunctions. Also provided is a mean of monitoring system conditions and providing service personnel with a quick manner of diagnosing problems.
    Type: Application
    Filed: October 13, 2004
    Publication date: April 13, 2006
    Inventors: George Tracey, Shawn Sullivan, George Holstein