Patents by Inventor Jan Willem van Hesden

Jan Willem van Hesden 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).

  • Cutting oil additives
    Patent number: 4115285
    Abstract: The addition of a partially neutralized aluminum acid alkylorthophosphate to hydrocarbon cutting oils improves machinability and extends tool life in metal-machining operations.
    Type: Grant
    Filed: June 13, 1977
    Date of Patent: September 19, 1978
    Assignee: Borg-Warner Corporation
    Inventor: Jan Willem VAN Hesden
  • Lapping compositions comprising an aluminum, dialkyl orthophosphate gelling agent
    Patent number: 4046524
    Abstract: An improved lapping composition for use in lapping the surfaces of parts such as gears, seals, rings, and the like comprises a hydrocarbon liquid which is gelled by the addition of an alkyl orthophosphate gelling agent and to which is added the abrasive grit. The thixotropic character of the composition provides greatly improved suspension of the abrasive grit and highly desirable flow characteristics under shear, and results in an unexpected improvement in lapping rates.
    Type: Grant
    Filed: November 6, 1975
    Date of Patent: September 6, 1977
    Assignee: Borg-Warner Corporation
    Inventor: Jan Willem van Hesden
  • Non-foaming lubrication oil
    Patent number: 4003839
    Abstract: A lubrication oil having improved resistance to foaming and a method for preventing foaming of lubrication oils comprising the adding of dehydrating agents to the lubrication oil.
    Type: Grant
    Filed: May 9, 1974
    Date of Patent: January 18, 1977
    Assignee: Borg-Warner Corporation
    Inventor: Jan Willem van Hesden