Patents by Inventor Roland Sieber

Roland Sieber 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).

  • Patent number: 6540400
    Abstract: A bag (1) for a one-component or two-component composition containing liquid is gathered at least at one end by a clip (2) into a pleated closure (3). In the region of the pleated closure (3), an absorbent (4) is disposed in order to prevent the uncontrolled flow of liquid from the bag (1).
    Type: Grant
    Filed: February 23, 2001
    Date of Patent: April 1, 2003
    Assignee: Hilti Aktiengesellscgaft
    Inventors: Joan Gross, Herbert Ginter, Roland Sieber
  • Patent number: 6474568
    Abstract: In a washer system (9) which is intended for a motor vehicle, a delivery unit (1) is used to supply a washer nozzle (11) which is connected by means of a pipe element (10). To protect against damage at low ambient temperatures, a heating element (5) is arranged on a housing (7) of a pump chamber (3) of the delivery unit (1) and thus makes it possible for the washer fluid situated in the pump chamber (3) to be heated rapidly and in a specific manner.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: November 5, 2002
    Assignee: Mannesmann VDO AG
    Inventors: Lutz Seyfarth, Roland Sieber
  • Publication number: 20010031326
    Abstract: A tubular bag, of a composite film (1) is formed to hold mortar compositions (2) and has an inner ply (8), enclosing the mortar composition. The inner ply (8) is formed by a polyethylene film (3) and a polyamide film (4). A metal foil (5), especially an aluminum foil, surrounds the inner layer (8) and is enclosed by a stretched plastics material film and forms an outer ply (9) of the composite film (1). Accordingly, the tubular bag of the composite film (1) has a long shelf life.
    Type: Application
    Filed: April 16, 2001
    Publication date: October 18, 2001
    Inventors: Joan Gross, Herbert Ginter, Roland Sieber
  • Publication number: 20010017948
    Abstract: A bag (1) for a one-component or two-component composition containing liquid is gathered at least at one end by a clip (2) into a pleated closure (3). In the region of the pleated closure (3), an absorbent (4) is disposed in order to prevent the uncontrolled flow of liquid from the bag (1).
    Type: Application
    Filed: February 23, 2001
    Publication date: August 30, 2001
    Inventors: Joan Gross, Herbert Ginter, Roland Sieber
  • Publication number: 20010015385
    Abstract: In the case of a washer system (9) which is intended for a motor vehicle, a delivery unit (1) is used to supply a washer nozzle (11) which is connected by means of a pipe element (10). To protect against damage at low ambient temperatures, a heating element (5) is arranged on a housing (7) of a pump chamber (3) of the delivery unit (1) and thus makes it possible for the washer fluid situated in the pump chamber (3) to be heated rapidly and in a specific manner.
    Type: Application
    Filed: April 27, 2001
    Publication date: August 23, 2001
    Applicant: Mannesmann VDO AG
    Inventors: Lutz Seyfarth, Roland Sieber
  • Patent number: 6247653
    Abstract: In a washer system (9) which is intended for a motor vehicle, a delivery unit (1) is used to supply a washer nozzle (11) which is connected by a pipe element (10). To protect against damage at low ambient temperatures, a heating element (5) is arranged on a housing (7) of a pump chamber (3) of the delivery unit (1) and thus makes it possible for the washer fluid situated in the pump chamber (3) to be heated rapidly and in a specific manner.
    Type: Grant
    Filed: August 30, 1999
    Date of Patent: June 19, 2001
    Assignee: Mannesmann VDO AG
    Inventors: Lutz Seyfarth, Roland Sieber