Patents by Inventor Preston Leonard Veltman

Preston Leonard Veltman 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).

  • Method for drying fructose solutions
    Patent number: 3956009
    Abstract: A process for preparing dried, solid, particulate fructose products from fructose solutions by drying the solution in a current of heated air and in the presence of separately introduced recycled dried product solids.
    Type: Grant
    Filed: May 14, 1975
    Date of Patent: May 11, 1976
    Assignee: W. R. Grace & Co.
    Inventors: Joseph Theodore Lundquist, Jr., Preston Leonard Veltman, Edward Theodore Woodruff
  • Dried sucrose-containing products from separate feeds
    Patent number: RE29647
    Abstract: A process for producing solid sugars wherein separate feeds of sucrose solution and of fine sucrose particles are dispersed in a current of heated air, whereby the particles are coated with the solution which is evaporated leaving a solid product containing substantially all the sugar fed to the process.
    Type: Grant
    Filed: December 9, 1976
    Date of Patent: May 30, 1978
    Assignee: W. R. Grace & Co.
    Inventors: Preston Leonard Veltman, Johannes C. J. Verdonk, Lars Olav Thomsen