Patents by Inventor Joseph C. Raia

Joseph C. Raia 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).

  • Automated method and apparatus for determining total suspended solids in liquids
    Patent number: 4890484
    Abstract: The determination of total suspended solids (non-filterable residue) in water and waste water is automated to operate without operator intervention. Volatile total suspended solids can also be determined.
    Type: Grant
    Filed: January 28, 1988
    Date of Patent: January 2, 1990
    Assignee: Shell Oil Company
    Inventors: Alexander Telfer, Joseph C. Raia