Patents by Inventor Soren Henrik Ljunggreen

Soren Henrik Ljunggreen 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).

  • Linear actuator and a medical delivery device comprising such linear actuator
    Patent number: 6786890
    Abstract: A linear actuator comprising a first member (1) and a second member (2) provided with internal threads (6,8) cut in opposite directions and an intermediary member (3) engaged with and being axially displaceable in relation to the first and second members (1,2), via external threads (11,12) that are complementary to the threads (6,8) provided on the first and second members (1,2). The linear actuator furthermore comprises a sheath (4) stretching across the intermediary member (3), which sheath (4) is inrotatably, but longitudinally slidably arranged in relation to the first and second members (1,2). The linear actuator also comprises a driving rod (5) that is inrotatably, but longitudinally slidably arranged within the intermediary member (3). A medical delivery device provided with such a linear actuator is also provided.
    Type: Grant
    Filed: January 22, 2003
    Date of Patent: September 7, 2004
    Assignee: Novo Nordisk A/S
    Inventors: Jan Harald Preuthun, Soren Henrik Ljunggreen
  • Linear actuator and a medical delivery device comprising such linear actuator
    Publication number: 20040000818
    Abstract: A linear actuator comprising a first member (1) and a second member (2) provided with internal threads (6,8) cut in opposite directions and an intermediary member (3) engaged with and being axially displaceable in relation to the first and second members (1,2), via external threads (11,12) that are complementary to the threads (6,8) provided on the first and second members (1,2). The linear actuator furthermore comprises a sheath (4) stretching across the intermediary member (3), which sheath (4) is inrotatably, but longitudinally slidably arranged in relation to the first and second members (1,2). The linear actuator also comprises a driving rod (5) that is inrotatably, but longitudinally slidably arranged within the intermediary member (3). A medical delivery device provided with such a linear actuator is also provided.
    Type: Application
    Filed: January 22, 2003
    Publication date: January 1, 2004
    Inventors: Jan Harald Preuthun, Soren Henrik Ljunggreen