Patents by Inventor Thomas Gratzfeld

Thomas Gratzfeld 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: 9505016
    Abstract: Manually operated dispenser for media, with a reservoir (1), with a pump part (2) which is mounted on the reservoir (1) and comprises a nozzle-shaped discharge portion (3) with a discharge portion end (5) having a discharge opening (4), with an actuation mechanism (6) assigned to the pump part (2), and with a protective cap (7) covering at least the discharge portion end (5), wherein a soft porous insert (8) is inserted into the protective cap (7) and can be pressed when the protective cap (7) is fitted from above onto the discharge portion end (5), and the discharge portion (3) forms a stand surface (9) for a free end (10) of a torsion spring (11), which is clamped in the protective cap (7) and whose loading introduces a torque that turns the protective cap (7) relative to the discharge portion (3).
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: November 29, 2016
    Assignee: WestRock Dispensing Systems Hemer GmbH
    Inventors: Stephan Thiede, Thomas Gratzfeld, Gisbert Welp
  • Publication number: 20150298151
    Abstract: Manually operated dispenser for media, with a reservoir (1), with a pump part (2) which is mounted on the reservoir (1) and comprises a nozzle-shaped discharge portion (3) with a discharge portion end (5) having a discharge opening (4), with an actuation mechanism (6) assigned to the pump part (2), and with a protective cap (7) covering at least the discharge portion end (5), wherein a soft porous insert (8) is inserted into the protective cap (7) and can be pressed when the protective cap (7) is fitted from above onto the discharge portion end (5), and the discharge portion (3) forms a stand surface (9) for a free end (10) of a torsion spring (11), which is clamped in the protective cap (7) and whose loading introduces a torque that turns the protective cap (7) relative to the discharge portion (3).
    Type: Application
    Filed: November 25, 2013
    Publication date: October 22, 2015
    Applicant: MEADWESTVACO CALMAR GMBH
    Inventors: Stephan Thiede, Thomas Gratzfeld, Gisbert Welp