Patents by Inventor Ralf SCHOMÄCKER

Ralf SCHOMÄCKER 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).

  • Waste water lifting installation
    Patent number: 9243395
    Abstract: A waste water lifting installation includes a collection container (2) and a flange plate (4) which is arranged on the upper side of the collection container (2) and on which a level switch (12) immersing into the collection container (2) is attached. At least one run-in pipe (22), departing from the flange plate (4), extends vertically downwards into the collection container (2) and has such a vertical length that the lower end (28) of the run-in pipe (22) is vertically distanced further from the flange plate (4) than a lower end of the level switch (14).
    Type: Grant
    Filed: September 21, 2012
    Date of Patent: January 26, 2016
    Assignee: GRUNDFOS HOLDING A/S
    Inventors: Riccardo Dal Canto, Alessandro Iacoponi, Ralf Schomäcker
  • Waste water lifting installation
    Patent number: 8640735
    Abstract: A waste water lifting installation has a collection container and a pump assembly. The pump assembly is fastened on a flange plate which closes an opening on the upper side of the collection container. The flange plate, on a first side edge which faces the middle region of the waste water lifting installation, is releasably fixed on the collection container with a single locking element.
    Type: Grant
    Filed: October 18, 2012
    Date of Patent: February 4, 2014
    Assignee: Grundfos Holding A/S
    Inventors: Luca Casalini, Alessandro Iacoponi, Ralf Schomäcker
  • WASTE WATER LIFTING INSTALLATION
    Publication number: 20130074950
    Abstract: A waste water lifting installation includes a collection container (2) and a flange plate (4) which is arranged on the upper side of the collection container (2) and on which a level switch (12) immersing into the collection container (2) is attached. At least one run-in pipe (22), departing from the flange plate (4), extends vertically downwards into the collection container (2) and has such a vertical length that the lower end (28) of the run-in pipe (22) is vertically distanced further from the flange plate (4) than a lower end of the level switch (14).
    Type: Application
    Filed: September 21, 2012
    Publication date: March 28, 2013
    Applicant: GRUNDFOS HOLDING A/S
    Inventors: Riccardo DAL CANTO, Alessandro IACOPONI, Ralf SCHOMÄCKER