Patents by Inventor Hans-Joachim Ahrens

Hans-Joachim Ahrens 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: 8579532
    Abstract: A dosing device with a monolithic, resilient roll meters liquid detergent, softener, concentrates, cleaning agents, and other medium-viscosity liquids. The rolling application element is used for applying detergent to very dirty fabric areas. The monolithic roll (3) encompassing a shaft (5) and an outer jacket (6) with plastic recesses is inserted into a mount (1) of a dosing receptacle (2). Radially extending spring lamellae are molded between the shaft (5) and the outer jacket (6).
    Type: Grant
    Filed: April 20, 2007
    Date of Patent: November 12, 2013
    Assignee: Henkel AG & Co. KGaA
    Inventors: Elvira Ahrens, Hans-Joachim Ahrens, Stephan Ahrens
  • Patent number: 7757900
    Abstract: The invention relates to a dispenser pump (1), for the non-dropping, dosed dispensing of liquid to pasty products from containers, for example, from bottles, canisters, or tubes, comprising a pump lower section (6) with a suction opening (4) and a pump upper section (8) with a moving lid (10), for sucking up the product through the suction opening (4) of the pump lower section (6) into a suction chamber (14) and to dispense the product from said suction chamber (14), through a dispensing channel (3) with an application opening (24).
    Type: Grant
    Filed: November 4, 2003
    Date of Patent: July 20, 2010
    Assignee: RPC Wiko GmbH
    Inventors: Roland Knauer, Frank Rauch, Stephan Porzelt, Hans-Joachim Ahrens, Barbara Kösske, Wolfgang Heukamp
  • Publication number: 20090317173
    Abstract: A dosing device with a monolithic, resilient roll meters liquid detergent, softener, concentrates, cleaning agents, and other medium-viscosity liquids. The rolling application element is used for applying detergent to very dirty fabric areas. The monolithic roll (3) encompassing a shaft (5) and an outer jacket (6) with plastic recesses is inserted into a mount (1) of a dosing receptacle (2). Radially extending spring lamellae are molded between the shaft (5) and the outer jacket (6).
    Type: Application
    Filed: April 20, 2007
    Publication date: December 24, 2009
    Applicant: Henkel AG & Co., KGaA
    Inventors: Elvira Ahrens, Hans-Joachim Ahrens, Stephan Ahrens
  • Publication number: 20070138209
    Abstract: The invention relates to a dispenser pump (1), for the non-dropping, dosed dispensing of liquid to pasty products from containers, for example, from bottles, canisters, or tubes, comprising a pump lower section (6) with a suction opening (4) and a pump upper section (8) with a moving lid (10), for sucking up the product through the suction opening (4) of the pump lower section (6) into a suction chamber (14) and to dispense the product from said suction chamber (14), through a dispensing channel (3) with an application opening (24).
    Type: Application
    Filed: November 4, 2003
    Publication date: June 21, 2007
    Inventors: Roland Knauer, Frank Rauch, Stephan Porzelt, Hans-Joachim Ahrens, Barbara Kosske, Wolfgang Heukamp
  • Patent number: 5427463
    Abstract: An ink writing implement has a front part with a writing tip that comes into contact with the writing substrate, and a writing fluid cartridge whose interior chamber containing the writing fluid is tightly sealed before being put into use, and which is connected to the front part during use. There is also provided an equalization system disposed inside a housing and connected by one end to the interior chamber of the writing fluid cartridge and by the other end with the outside air. The writing fluid cartridge and front part are rigidly attached to one another. The front part can be inserted into the equalization system through a back opening and moved into a position in which it protrudes beyond the front opening in the housing.
    Type: Grant
    Filed: December 17, 1993
    Date of Patent: June 27, 1995
    Assignee: Rotring International GmbH & Co. KG
    Inventors: Bernd Bastiansen, Hans-Joachim Ahrens
  • Patent number: 5242234
    Abstract: The present invention pertains to a drawing pen for applying viscous coating materials, with an essentially cylindrical grip part, a storage chamber arranged in the front section of the grip part for a cartridge containing the coating material, and a valve device arranged at the front end of the grip part, which is in flow connection with the interior space of the cartridge and has an application point for the coating material.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: September 7, 1993
    Inventor: Hans-Joachim Ahrens