Patents by Inventor Robert Leitner

Robert Leitner 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).

  • Envelope wetting and sealing apparatus
    Patent number: 5555701
    Abstract: For use with an envelope having a flap, a body, and a fold region connecting the flap to the body, a wetting and sealing apparatus for wetting the envelope flap with a liquid and sealing, after folding at the fold region, the wetted envelope flap to the envelope body. A computer directs the wetting and sealing operations. A continually primed spraying nozzle applies the liquid producing an active adhesive to the envelope flap and a pressure foot seals the wetted envelope flap to the envelope body.
    Type: Grant
    Filed: November 29, 1994
    Date of Patent: September 17, 1996
    Inventors: Robert Fehringer, William L. Hines, Motaz Qutub, Jonathan D. Emigh, Charles E. Preston, Robert Leitner, David Smart
  • Detergent composition
    Patent number: 4116878
    Abstract: A detergent composition with an improved bleaching efficiency and a reduced fabric-damage effect is obtained by inclusion of an alkalimetal monopersulphate as bleaching agent, an alkalimetal bromide as activator for that bleaching agent, and an amide-group containing compound such as urea as fabric-damage inhibitor.
    Type: Grant
    Filed: October 26, 1976
    Date of Patent: September 26, 1978
    Assignee: Lever Brothers Company
    Inventors: Fritz Deutscher, Robert Leitner
  • Tent
    Patent number: D718829
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: December 2, 2014
    Assignee: Red Bull GmbH
    Inventors: Gregor Huhsovitz, Eike Schaefer, Stephan Wichtl, Frank Mathis, Robert Leitner
  • Tent frame
    Patent number: D738979
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: September 15, 2015
    Assignee: Red Bull GmbH
    Inventors: Gregor Huhsovitz, Eike Schaefer, Stephan Wichtl, Frank Mathis, Robert Leitner