Patents by Inventor Pieter K. J. De Coster

Pieter K. J. De Coster 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).

  • Condiment grinder
    Patent number: 5176329
    Abstract: A condiment grinder including a grinding mechanism with an adjustment shaft extending therefrom and mounting both a positioning ring for rotational driving of the shaft and an adjustment nut for longitudinal adjustment of the shaft and the coarseness of the grind. A single knob engages the positioning ring and adjustment nut for simultaneous rotational driving of the positioning ring and nut, and for independent rotation of the adjustment nut to effect control of the operation of the grinder with a single knob.
    Type: Grant
    Filed: January 10, 1992
    Date of Patent: January 5, 1993
    Assignee: Dart Industries Inc.
    Inventors: Pieter K. J. De Coster, Guido O. De Mey
  • Measuring cup or the like
    Patent number: D255530
    Type: Grant
    Filed: March 27, 1978
    Date of Patent: June 24, 1980
    Assignee: Dart Industries Inc.
    Inventors: Robert H. C. M. Daenen, Pieter K. J. De Coster
  • Measuring pitcher or the like
    Patent number: D255531
    Type: Grant
    Filed: March 27, 1978
    Date of Patent: June 24, 1980
    Assignee: Dart Industries Inc.
    Inventors: Robert H. C. M. Daenen, Pieter K. J. De Coster
  • Food container or the like
    Patent number: D257107
    Type: Grant
    Filed: March 12, 1979
    Date of Patent: September 30, 1980
    Assignee: Dart Industries Inc.
    Inventors: Robert H. C. M. Daenen, Pieter K. J. De Coster
  • Measuring cup set or the like
    Patent number: D259460
    Type: Grant
    Filed: March 27, 1978
    Date of Patent: June 9, 1981
    Assignee: Dart Industries Inc.
    Inventors: Robert H. C. M. Daenen, Pieter K. J. de Coster
  • Measuring cup or the like
    Patent number: D259461
    Type: Grant
    Filed: March 27, 1978
    Date of Patent: June 9, 1981
    Assignee: Dart Industries Inc.
    Inventors: Robert H. C. M. Daenen, Pieter K. J. de Coster
  • Measuring cup or the like
    Patent number: D259462
    Type: Grant
    Filed: March 27, 1978
    Date of Patent: June 9, 1981
    Assignee: Dart Industries Inc.
    Inventors: Robert H. C. M. Daenen, Pieter K. J. de Coster
  • Grater or the like
    Patent number: D259534
    Type: Grant
    Filed: March 12, 1979
    Date of Patent: June 16, 1981
    Assignee: Dart Industries Inc.
    Inventors: Robert H. C. M. Daenen, Pieter K. J. De Coster
  • Pastry cutter or the like
    Patent number: D260223
    Type: Grant
    Filed: August 16, 1979
    Date of Patent: August 18, 1981
    Assignee: Dart Industries Inc.
    Inventor: Pieter K. J. De Coster
  • Storage box or the like
    Patent number: D262839
    Type: Grant
    Filed: August 16, 1979
    Date of Patent: February 2, 1982
    Assignee: Dart Industries Inc.
    Inventors: Robert H. C. M. Daenen, Pieter K. J. De Coster
  • Container adaptor ring or the like
    Patent number: D263932
    Type: Grant
    Filed: August 16, 1979
    Date of Patent: April 20, 1982
    Assignee: Dart Industries Inc.
    Inventors: Robert H. C. M. Daenen, Pieter K. J. De Coster
  • Bread storage container or the like
    Patent number: D268560
    Type: Grant
    Filed: September 18, 1980
    Date of Patent: April 12, 1983
    Assignee: Dart Industries, Inc.
    Inventors: Robert H. C. M. Daenen, Pieter K. J. De Coster
  • Bread serving tray or the like
    Patent number: D272505
    Type: Grant
    Filed: September 18, 1980
    Date of Patent: February 7, 1984
    Assignee: Dart Industries Inc.
    Inventors: Robert H. C. M. Daenen, Pieter K. J. De Coster
  • Sifter or the like
    Patent number: D272972
    Type: Grant
    Filed: August 3, 1981
    Date of Patent: March 13, 1984
    Assignee: Dart Industries Inc.
    Inventor: Pieter K. J. De Coster
  • Combined sifter and container or the like
    Patent number: D272973
    Type: Grant
    Filed: August 3, 1981
    Date of Patent: March 13, 1984
    Assignee: Dart Industries Inc.
    Inventor: Pieter K. J. De Coster
  • Container cover or the like
    Patent number: D273837
    Type: Grant
    Filed: December 24, 1981
    Date of Patent: May 15, 1984
    Assignee: Dart Industries Inc.
    Inventor: Pieter K. J. De Coster
  • Pitcher
    Patent number: D339023
    Type: Grant
    Filed: December 23, 1991
    Date of Patent: September 7, 1993
    Assignee: Dart Industries Inc.
    Inventor: Pieter K. J. De Coster