Patents by Inventor Joseph D. Edwards

Joseph D. Edwards 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: 4770773
    Abstract: A system (10) is provided for treating wastewater discharged from airplane manufacturing operations. The system (10) includes a variety of sequential chemical adjustments to the waste stream which can remove substantially all toxic organics and heavy metals therefrom.
    Type: Grant
    Filed: February 24, 1987
    Date of Patent: September 13, 1988
    Assignee: The Boeing Company
    Inventors: Max C. Pahmeier, Joseph D. Edwards
  • Patent number: 4724084
    Abstract: A system (10) is provided for treating wastewater discharged from airplane manufacturing operations. The system (10) includes a variety of sequential chemical adjustments to the waste stream which can remove substantially all toxic organics and heavy metals therefrom.
    Type: Grant
    Filed: March 28, 1986
    Date of Patent: February 9, 1988
    Assignee: The Boeing Company
    Inventors: Max C. Pahmeier, Joseph D. Edwards