Patents by Inventor Manfred Stahle

Manfred Stahle 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).

  • Swimming pool cleaner
    Patent number: 7080424
    Abstract: The invention concerns a swimming pool cleaner utilizing the induced flow to a filter plant pump to cause interrupted movement while cleaning the surface over which it operates. The cleaner incorporates a valve with a hollow domed perforated closure member operating in a body with the valve mounted on a stem carrying a rolling diaphragm or a piston subjected intermittently and automatically to the pressure induced by the filter plant pump.
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: July 25, 2006
    Assignee: Corrupipe CC
    Inventors: Dieter H F Kallenbach, Manfred Stahle
  • Swimming pool cleaner component
    Patent number: 6631533
    Abstract: The invention concerns a surface contacting disc for location around the inlet of a suction operated pool cleaner wherein at least one concentric groove is provided in the surface engaging face of the disc which provides flexibility for the outer part of the disc to fold progressively along the grooves.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: October 14, 2003
    Assignee: Corrupipe CC
    Inventors: Manfred Stahle, Dieter H F Kallenbach
  • Swimming pool cleaner
    Publication number: 20030106174
    Abstract: The invention concerns a swimming pool cleaner utilizing the induced flow to a filter plant pump to cause interrupted movement while cleaning the surface over which it operates. The cleaner incorporates a valve with a hollow domed perforated closure member operating in a body with the valve mounted on a stem carrying a rolling diaphragm or a piston subjected intermittently and automatically to the pressure induced by the filter plant pump.
    Type: Application
    Filed: November 15, 2002
    Publication date: June 12, 2003
    Inventors: Dieter H F Kallenbach, Manfred Stahle
  • Swimming pool cleaner component
    Publication number: 20030037396
    Abstract: The invention concerns a surface contacting disc for location around the inlet of a suction operated pool cleaner wherein at least one concentric groove is provided in the surface engaging face of the disc which provides flexibility for the outer part of the disc to fold progressively along the grooves.
    Type: Application
    Filed: August 24, 2001
    Publication date: February 27, 2003
    Inventors: Manfred Stahle, Dieter HF. Kallenbach
  • Pool cleaner hose weight
    Patent number: 6076560
    Abstract: The invention provides a weight to be used to submerge the hose used with swimming pool cleaners and which may be variably positioned at any position along the length of the hose, the weight having an annular metal member encased in plastics material with the plastics material also providing an inwardly directed radial flange to engage in the recesses between the corrugations of the hose.
    Type: Grant
    Filed: April 27, 1999
    Date of Patent: June 20, 2000
    Assignee: Corrupipe CC
    Inventors: Manfred Stahle, Dieter H F Kallenbach
  • Relief valve
    Patent number: 5904171
    Abstract: A relief valve for use with automatic suction operated swimming pool cleaners which has a tubular body and a bypass passage into the body inclined at an acute angle to the inlet and controlled by a closure pivotally supported about an end upstream of the normal flow direction through the valve and with the closure biased, preferably by at least one tension spring, to the closed position.
    Type: Grant
    Filed: May 29, 1997
    Date of Patent: May 18, 1999
    Assignee: Corrupipe CC
    Inventors: Manfred Stahle, Dieter H. F. Kallenbach
  • Relief valve
    Patent number: D417905
    Type: Grant
    Filed: May 22, 1998
    Date of Patent: December 21, 1999
    Assignee: Corrupipe CC
    Inventors: Dieter H. F. Kallenbach, Manfred Stahle