Patents by Inventor Richard Leckal

Richard Leckal 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: 6709581
    Abstract: A device for cleaning a swimming pool filter of the flexible tube type and wherein the pool may either be either of the standard backyard type or the larger commercial type pool. The flexible tubes are banded together to form a removable flexible tube nest which is inserted into the pool filter. The cleaning device of the instant invention has an inner tube having a plurality of small apertures formed there through and essentially at one end thereof and circumferentially around the tube. The opposite end of this tube has a plurality of spacers about its circumference to separate it from an outer tube into which it is inserted. An end cap having a female hose connector is disposed over this end of the inner tube. A lever type hose valve is inserted into the hose connector and water supply is connected to the hose valve.
    Type: Grant
    Filed: July 3, 2002
    Date of Patent: March 23, 2004
    Inventor: Richard Leckal
  • Publication number: 20040004035
    Abstract: A device for cleaning a swimming pool filter of the flexible tube type and wherein the pool may either be either of the standard backyard type or the larger commercial type pool. The flexible tubes are banded together to form a removable flexible tube nest which is inserted into the pool filter. The cleaning device of the instant invention has an inner tube having a plurality of small apertures formed there through and essentially at one end thereof and circumferentially around the tube. The opposite end of this tube has a plurality of spacers about its circumference to separate it from an outer tube into which it is inserted. An end cap having a female hose connector is disposed over this end of the inner tube. A lever type hose valve is inserted into the hose connector and water supply is connected to the hose valve.
    Type: Application
    Filed: July 3, 2002
    Publication date: January 8, 2004
    Inventor: Richard Leckal