Patents by Inventor Steven J. PRESSLEY

Steven J. PRESSLEY 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).

  • Patent number: 10266741
    Abstract: An apparatus and method for the addition of alcohol dehydrogenase (ADH) enzyme inhibitors to existing engine cooling systems to reduce or eliminate the coolant toxicity without the need to completely drain and replace the entire engine coolant. In addition, the present invention provides an apparatus and method for treatment of otherwise toxic coolants removed from engine cooling systems that are targeted for disposal and release into the environment and thereby reduce or eliminate the condition of creating relatively large amounts of toxic waste during routine maintenance and repairs.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: April 23, 2019
    Inventors: John W. Evans, Steven J. Pressley
  • Publication number: 20170327721
    Abstract: An apparatus and method for the addition of alcohol dehydrogenase (ADH) enzyme inhibitors to existing engine cooling systems to reduce or eliminate the coolant toxicity without the need to completely drain and replace the entire engine coolant. In addition, the present invention provides an apparatus and method for treatment of otherwise toxic coolants removed from engine cooling systems that are targeted for disposal and release into the environment and thereby reduce or eliminate the condition of creating relatively large amounts of toxic waste during routine maintenance and repairs.
    Type: Application
    Filed: May 16, 2017
    Publication date: November 16, 2017
    Inventors: John W. EVANS, Steven J. PRESSLEY