Patents by Inventor Kaj Rönnblad

Kaj Rönnblad 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: 10767360
    Abstract: Toilet arrangement, which includes a gravity toilet bowl (1) provided with a water trap (11) and an outlet (12). The arrangement further includes a water valve (5), a flush water tank (4), and a flush valve (6) arranged between the flush water tank (4) and the toilet bowl (1), and an activating means (8) for activating a flushing sequence. In order to allow for the use of a standard gravity toilet bowl in connection with a vacuum sewage system, the toilet arrangement comprises an adapter (13) which is arranged between the gravity toilet bowl (1) and a discharge valve (2) connected to a vacuum sewer piping (3). A control mechanism (7) is connected to the vacuum sewer piping (3), the discharge valve (2), the water valve (5) and the flush valve (6), whereby the control mechanism (7) is arranged to be activated by means of the activating means (8).
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: September 8, 2020
    Assignee: EVAC OY
    Inventors: Vesa Lappalainen, Kaj Rönnblad
  • Publication number: 20190040617
    Abstract: Toilet arrangement, which includes a gravity toilet bowl (1) provided with a water trap (11) and an outlet (12). The arrangement further includes a water valve (5), a flush water tank (4), and a flush valve (6) arranged between the flush water tank (4) and the toilet bowl (1), and an activating means (8) for activating a flushing sequence. In order to allow for the use of a standard gravity toilet bowl in connection with a vacuum sewage system, the toilet arrangement comprises an adapter (13) which is arranged between the gravity toilet bowl (1) and a discharge valve (2) connected to a vacuum sewer piping (3). A control mechanism (7) is connected to the vacuum sewer piping (3), the discharge valve (2), the water valve (5) and the flush valve (6), whereby the control mechanism (7) is arranged to be activated by means of the activating means (8).
    Type: Application
    Filed: February 7, 2017
    Publication date: February 7, 2019
    Applicant: EVAC OY
    Inventors: Vesa Lappalainen, Kaj Rönnblad