Patents by Inventor Edward H. Wentworth, III

Edward H. Wentworth, III 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).

  • Automatic refill system for ultra pure or contamination sensitive chemicals
    Patent number: 6604555
    Abstract: A highly reliable and safe, modular automatic refill (bulk delivery) system for ultra-high purity pyrophoric metalorganic chemicals employing: a manifold that insures contamination-free operation; a liquid-level detection system with fail-safe redundancy; and an evacuation system which leaves the system's manifold and transfer lines relatively free of chemical fire hazards; leaves them free of oxygen contamination; and leaves the composition of the system's carrier gas unaffected, between refills.
    Type: Grant
    Filed: August 2, 2002
    Date of Patent: August 12, 2003
    Assignee: Arch Specialty Chemicals, Inc.
    Inventors: Christopher S. Blatt, Richard H. Pearce, Graham Williams, Edward H. Wentworth, III
  • Automatic refill system for ultra pure or contamination sensitive chemicals
    Patent number: 6435224
    Abstract: A highly reliable and safe, modular automatic refill (bulk delivery) system for ultra-high purity pyrophoric metalorganic chemicals employing: a manifold that insures contamination-free operation; a liquid-level detection system with fail-safe redundancy; and an evacuation system which leaves the system's manifold and transfer lines relatively free of chemical fire hazards; leaves them free of oxygen contamination; and leaves the composition of the system's carrier gas unaffected, between refills.
    Type: Grant
    Filed: August 2, 2001
    Date of Patent: August 20, 2002
    Assignee: Arch Specialty Chemicals, Inc.
    Inventors: Christopher S. Blatt, Richard H. Pearce, Graham Williams, Edward H. Wentworth, III