Patents by Inventor Gregory C. Kuehn

Gregory C. Kuehn 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).

  • Hay rake twin tooth with continuous camber and lost-motion activation and a rake wheel using the same
    Patent number: 6715275
    Abstract: A twin rake tooth includes a shank and working arc within each tooth which cooperate with ordinary rake wheels having rims. The shank within each tooth may have a slight camber which serves to stiffen the tooth against normal operational forces, but which allows the tooth to flex significantly when overloaded, through a lost-motion activation that occurs in cooperation with the rake wheel rim. In addition, the tooth has a generally smooth transition from one region of the tooth to the next, with no sharp bends, thereby substantially reducing any concentration of stress within the tooth.
    Type: Grant
    Filed: January 16, 2001
    Date of Patent: April 6, 2004
    Assignee: Vermeer Manufacturing Company
    Inventor: Gregory C. Kuehn