Patents by Inventor Winfried Engert

Winfried Engert 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).

  • Device for supplying active substances to a cleaning device
    Patent number: 6848852
    Abstract: A device is provided for supplying one or several active substances to a cleaning device and makes use of a retaining device against which the active substance lies upon or is connected thereto such that the active substance is held by the retaining device. The retaining device is affixable to a conventional cleaning device, preferably one as used in sanitary and/or hygienic fields. The inventive retaining device comprises a receiving area preferably configured as a single-piece ring and connected by means of a coupling section to a fixing area which is affixed to the cleaning device.
    Type: Grant
    Filed: July 30, 2001
    Date of Patent: February 1, 2005
    Inventor: Winfried Engert
  • Device for supplying active substances to a cleaning device
    Publication number: 20030161676
    Abstract: The present invention relates to a device (1) for fitting one or several active substances (8) to a cleaning device (20). To this end, the invention makes use of a retaining device against which the active substance (8) lies upon or is connected thereto such that the active substance (8) is held by the retaining device. The retaining device (1) is affixable to a conventional cleaning device (20), preferably one as used in sanitary and/or hygienic fields. The inventive retaining device comprises a receiving area (2) preferably configured as a single-piece ring and connected by means of a coupling section (4) to a fixing area (3) which is affixed to the cleaning device (20).
    Type: Application
    Filed: January 31, 2003
    Publication date: August 28, 2003
    Inventor: Winfried Engert