Patents by Inventor Donald E. Frost

Donald E. Frost 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).

  • Patent number: 9429235
    Abstract: A continuously variable transmission (CVT) is provided for use on a recreational or utility vehicle. The CVT is electronically controlled by at least one control unit of the vehicle. The CVT includes a primary clutch having a first sheave and a second sheave moveable relative to the first sheave. An actuator controls movement of the second sheave.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: August 30, 2016
    Assignee: Polaris Industries Inc.
    Inventors: Brian D. Krosschell, Stephen L. Nelson, Brian R. Gillingham, Urs Wenger, Donovan L. Fredrickson, Karl J. Grajkowski, Philipp Meyer, Donald E. Frost, Beat R. Kohler, Ronald Zurbruegg, Peter J. Erasmus, Jeffrey I. Peterman
  • Patent number: 9151384
    Abstract: A continuously variable transmission (CVT) is provided for use on a recreational or utility vehicle. The CVT is electronically controlled by at least one control unit of the vehicle. The CVT includes a primary clutch having a first sheave and a second sheave moveable relative to the first sheave. An actuator controls movement of the second sheave.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: October 6, 2015
    Assignee: Polaris Industries Inc.
    Inventors: Beat R. Kohler, Stephen L. Nelson, Brian R. Gillingham, Urs Wenger, Donovan L. Fredrickson, Brian D. Krosschell, Karl J. Grajkowski, Philipp Meyer, Donald E. Frost, Ronald Zurbruegg, Peter J. Erasmus
  • Patent number: 8682550
    Abstract: A continuously variable transmission (CVT) is provided for use on a recreational or utility vehicle. The CVT is electronically controlled by at least one control unit of the vehicle. The CVT includes a primary clutch having a first sheave and a second sheave moveable relative to the first sheave. An actuator controls movement of the second sheave.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: March 25, 2014
    Assignee: Polaris Industries Inc.
    Inventors: Stephen L. Nelson, Brian R. Gillingham, Urs Wenger, Donovan L. Fredrickson, Brian D. Krosschell, Karl J. Grajkowski, Philipp Meyer, Donald E. Frost, Beat R. Kohler, Ronald Zurbruegg, Peter J. Erasmus
  • Patent number: 8534413
    Abstract: A continuously variable transmission (CVT) is provided for use on a recreational or utility vehicle. The CVT is electronically controlled by a control unit of the vehicle. The CVT includes a primary clutch having a first sheave and a second sheave moveable relative to the first sheave. An actuator may be positioned between the primary and secondary clutches.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: September 17, 2013
    Assignee: Polaris Industries Inc.
    Inventors: Stephen L. Nelson, Brian R. Gillingham, Urs Wenger, Brian D. Krosschell, Beat Kohler, Ronald Zurbruegg, Donald E. Frost
  • Publication number: 20130092468
    Abstract: A continuously variable transmission (CVT) is provided for use on a recreational or utility vehicle. The CVT is electronically controlled by a control unit of the vehicle. The CVT includes a primary clutch having a first sheave and a second sheave moveable relative to the first sheave. An actuator may be positioned between the primary and secondary clutches.
    Type: Application
    Filed: February 17, 2012
    Publication date: April 18, 2013
    Applicant: Polaris Industries Inc.
    Inventors: Stephen L. Nelson, Brian R. Gillingham, Urs Wenger, Brian D. Krosschell, Beat Kohler, Ronald Zurbruegg, Donald E. Frost