Patents by Inventor Daniel W K Hong

Daniel W K Hong 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: 6839934
    Abstract: A multi-operational battery powered vacuum cleaner (1) comprising a hand held vacuum cleaner (1) releasably mounted within a caddy (15) which has a detachable handle (51) and a floor engaging head (19). The hand held unit (1) may be released from the caddy to be used in a first hand held operation. It may alternatively be mounted within the caddy with the handle attached for use as an upright vacuum cleaner in a second operational mode. In a third operational mode the handle (51) may be removed from the caddy while the hand held unit remains mounted in the caddy to provide a compact vacuum cleaner system with a floor engaging head (19). The cleaner further comprises a first spring biased latch member (27) mounted within the caddy (15) to releasably restrain the hand held unit therein A second latch member (53) is mounted within the handle (57) for releasably connecting the handle to the caddy (15).
    Type: Grant
    Filed: March 12, 2002
    Date of Patent: January 11, 2005
    Assignee: Black & Decker Inc.
    Inventors: Stephen Houghton, Barry Pears, Daniel W K Hong