Patents by Inventor Helmut Eblen

Helmut Eblen 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).

  • Hand-held circular saw
    Patent number: 5146682
    Abstract: A hand-held circular saw is designed so that a fan exhaust air from a fan wheel is introduced into a sawdust duct along the shortest path in a duct arranged inside a gearing housing, in order to reinforce a conveying of saw dust in the sawdust duct. The fan air is fed parallel to the movement direction of the sawdust, effects a vacuum in the sawdust duct and prevents stoppage of the duct.
    Type: Grant
    Filed: May 31, 1991
    Date of Patent: September 15, 1992
    Assignee: Robert Bosch GmbH
    Inventors: Hans Blochle, Rainer Schilling, Martin Kummer, Eduard Gansel, Heribert Schramm, Helmut Eblen, Joachim Muller