Patents by Inventor Paul M. V. Van de Ven

Paul M. V. Van de Ven 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).

  • Test kit for measuring the level of carboxylate anion in engine coolant
    Patent number: 5952233
    Abstract: A colorimetric method is provided for determining the presence or absence of a corrosion-inhibitory level of carboxylate anion in used aqueous engine coolant.
    Type: Grant
    Filed: March 17, 1998
    Date of Patent: September 14, 1999
    Assignee: Texaco Inc.
    Inventors: Regis J. Pellet, Leonard S. Bartley, Jr., Paul M. V. Van de Ven
  • Method for measuring the level of carboxylate anion in engine coolant
    Patent number: 5744365
    Abstract: A calorimetric method is provided for determining the presence or absence of a corrosion-inhibitory level of carboxylate anion in used aqueous engine coolant.
    Type: Grant
    Filed: March 18, 1997
    Date of Patent: April 28, 1998
    Assignee: Texaco Inc.
    Inventors: Regis J. Pellet, Leonard S. Bartley, Jr., Paul M. V. Van de Ven