Patents by Inventor David P. O'Chat

David P. O'Chat 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).

  • Toroidal manifold sparger used in a fluidizing spray chilling system
    Patent number: 5577668
    Abstract: A toroidal manifold sparger having a hollow toroid member with an upper portion and a lower portion and having a plurality of first openings substantially evenly spaced along the lower portion thereof and all oriented perpendicular to the upper portion in a first and vertically downward direction, a plurality of second openings substantially evenly spaced along the lower portion of the toroid member and all oriented in a second direction, the first openings and the second openings being spaced apart from each other, each of the openings having a trajectory such that the trajectory of all of the first openings is parallel to each other and in a downward direction, and the second openings having a trajectory that radially inwardly converges in a downward direction, the first and second openings being the only openings in the lower portion, the toroid member being suspended from the upper portion.
    Type: Grant
    Filed: January 18, 1995
    Date of Patent: November 26, 1996
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Chwan-Kong King, Chee-Teck Tan, Lewis G. Scharpf, Jr., David P. O'Chat, Marvin Schulman
  • Fluidizing spray chilling system for producing encapsulated materials
    Patent number: 5525367
    Abstract: An encapsulated flavoring and coloring agent is made by spray chilling.
    Type: Grant
    Filed: January 19, 1995
    Date of Patent: June 11, 1996
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Chwan-Kong King, Chee-Teck Tan, Lewis G. Scharpf, Jr., David P. O'Chat, Marvin Schulman
  • Fluidizing spray chilling system for producing encapsulated materials
    Patent number: 5417153
    Abstract: A toroidal sparger is disclosed for use in a fluidized spray chilling system for the production of encapsulated flavoring and coloring agents.
    Type: Grant
    Filed: August 9, 1993
    Date of Patent: May 23, 1995
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Chwan-Kong King, Chee-Teck Tan, Lewis G. Scharpf, Jr., David P. O'Chat, Marvin Schulman