Patents by Inventor Richard Carl Sorensen

Richard Carl Sorensen 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).

  • Rops structure for work vehicle
    Patent number: 6485084
    Abstract: A four post ROPS is provided with left and right front vertical posts and left and right rear vertical posts. The rear vertical posts have a bottom portion that extends upwardly, forwardly and outwardly from the floor of the operator's station. Each left and right front vertical post has an arrowhead shaped cross section. The arrow shaped cross section has a main lobe, a secondary lobe and a connecting portion located between the two lobes. The arrowhead shaped cross section defines a windshield channel for receiving the side edge of the windshield, and a side door channel for receiving the side edge of the side door. The arrowhead shape has an elongated axis that is in line with the line of sight of the operator when driving the backhoe loader.
    Type: Grant
    Filed: July 25, 2001
    Date of Patent: November 26, 2002
    Assignee: Deere & Company
    Inventors: Richard Carl Sorensen, Kenneth Michael Weiler
  • Rops structure for work vehicle
    Publication number: 20010050495
    Abstract: A four post ROPS is provided with left and right front vertical posts and left and right rear vertical posts. The rear vertical posts have a bottom portion that extends upwardly, forwardly and outwardly from the floor of the operator's station. Each left and right front vertical post has an arrowhead shaped cross section. The arrow shaped cross section has a main lobe, a secondary lobe and a connecting portion located between the two lobes. The arrowhead shaped cross section defines a windshield channel for receiving the side edge of the windshield, and a side door channel for receiving the side edge of the side door. The arrowhead shape has an elongated axis that is in line with the line of sight of the operator when driving the backhoe loader.
    Type: Application
    Filed: July 25, 2001
    Publication date: December 13, 2001
    Inventors: Richard Carl Sorensen, Kenneth Michael Weiler
  • ROPS structure for work vehicle
    Patent number: 6325449
    Abstract: A four post ROPS is provided with left and right front vertical posts and left and right rear vertical posts. The rear vertical posts have a bottom portion that extends upwardly, forwardly and outwardly from the floor of the operator's station. Each left and right front vertical post has an arrowhead shaped cross section. The arrow shaped cross section has a main lobe, a secondary lobe and a connecting portion located between the two lobes. The arrowhead shaped cross section defines a windshield channel for receiving the side edge of the windshield, and a side door channel for receiving the side edge of the side door. The arrowhead shape has an elongated axis that is in line with the line of sight of the operator when driving the backhoe loader.
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: December 4, 2001
    Assignee: Deere & Company
    Inventors: Richard Carl Sorensen, Kenneth Michael Weiler