Patents by Inventor Edward J. Cassidy

Edward J. Cassidy 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).

  • Multi-purpose bag and method for its use
    Patent number: 6092702
    Abstract: A multi-purpose bag has a mesh pouch and a sleeve with a pair of ends. The pouch is attached along an annular seam to one of the ends of the sleeve. The other end of the sleeve has a closable mouth. Also included is a restricting feature for stowing the pouch to stop communication from inside the sleeve to inside the pouch. The multi-purpose bag can be used by stowing the pouch to stop communication from inside the sleeve to inside the pouch. The sleeve can at this time be at least partially filled before closing the sleeve.
    Type: Grant
    Filed: September 15, 1997
    Date of Patent: July 25, 2000
    Inventor: Edward J. Cassidy, IV
  • Nitrosomonas preservation and reactivation for aquaria
    Patent number: 5314542
    Abstract: A culture of Nitrosomonas packaged in a manner to induce a metabolic state of dormancy under conditions favorable for survival of up to at least one year at room temperature: with a method for its rapid reactivation to complete metabolic activity within about 72 hours: for its subsequent addition into aquaria to immediately begin the oxidation and prevention of harmful ammonia accumulation.
    Type: Grant
    Filed: August 6, 1993
    Date of Patent: May 24, 1994
    Assignee: Precision Aquarium Testing, Inc.
    Inventors: Edward J. Cassidy, Ronald D. Jones
  • Phosphate removal from aquaria using immobilized ferric hydroxide
    Patent number: 5124044
    Abstract: Immobilized ferric hydroxide selectively removes phosphate from aquarium water. The material provides a healthier environment and retards growth of undesirable algae and bacteria.
    Type: Grant
    Filed: January 9, 1991
    Date of Patent: June 23, 1992
    Assignee: Precision Aquarium Testing Inc.
    Inventors: Edward J. Cassidy, Ronald D. Jones
  • Combined scuba repair kit case and can holder
    Patent number: D340131
    Type: Grant
    Filed: March 4, 1991
    Date of Patent: October 12, 1993
    Inventor: Edward J. Cassidy, IV