Patents by Inventor Peter V. Grela

Peter V. Grela 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).

  • Fluidized cell cultivation process
    Patent number: 4978616
    Abstract: A fluidized bed reactor and reaction process, particularly well-suited for culturing cells, for example, for tissue culture and fermentation processes, are described which involve the treatment of at least a portion of the fluid exiting the fluidized bed reactor in a side loop in a manner to alter its temperature or composition, e.g., oxygenation, with recirculation of this treated fluid to the reactor as a portion of the fluid causing bed fluidization.
    Type: Grant
    Filed: September 3, 1987
    Date of Patent: December 18, 1990
    Assignee: Verax Corporation
    Inventors: Robert C. Dean, Jr., Peter V. Grela, Subhash B. Karkare, Peter W. Runstadler, Jr.