Patents by Inventor Calvin David Hugo

Calvin David Hugo 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).

  • Grease oxidation
    Patent number: 10914719
    Abstract: A significantly improved version of the ASTM D942 Test Method, with apparatus employable to effect the same, is provided. This is useful in measurement of grease oxidation.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: February 9, 2021
    Assignee: TANNAS COMPANY
    Inventors: Theodore W. Selby, Jonathan C. Evans, Gregory C. Miiller, Calvin David Hugo, Sarah Nuss-Warren, Douglas J. Wirsing
  • Grease oxidation
    Patent number: 10422783
    Abstract: Apparatus includes a pivotable, cradling framework that can hold a rotatable bomb instrument, which can include a hollow cylinder and a grease rack. This may be employed to effect a significantly improved version of the ASTM D942 Test Method. The same is useful in measurement of grease oxidation.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: September 24, 2019
    Assignee: TANNAS COMPANY
    Inventors: Theodore W. Selby, Jonathan C. Evans, Gregory C. Miiller, Calvin David Hugo, Sarah R. Nuss-Warren, Douglas J. Wirsing
  • Grease oxidation
    Publication number: 20190064137
    Abstract: Apparatus includes a pivotable, cradling framework that can hold a rotatable bomb instrument, which can include a hollow cylinder and a grease rack. This may be employed to effect a significantly improved version of the ASTM D942 Test Method. The same is useful in measurement of grease oxidation.
    Type: Application
    Filed: October 17, 2018
    Publication date: February 28, 2019
    Applicant: Tannas Company
    Inventors: Theodore W. Selby, Jonathan C. Evans, Gregory C. Miiller, Calvin David Hugo, Sarah R. Nuss-Warren, Douglas J. Wirsing
  • Grease Oxidation
    Publication number: 20170205355
    Abstract: A significantly improved version of the ASTM D942 Test Method, with apparatus employable to effect the same, is provided. This is useful in measurement of grease oxidation.
    Type: Application
    Filed: November 6, 2014
    Publication date: July 20, 2017
    Applicant: Tannas Company
    Inventors: Theodore W. Selby, Jonathan C. Evans, Gregory C. Miiller, Calvin David Hugo, Sarah Nuss-Warren, Douglas J. Wirsing