Patents by Inventor Louis J. Drakos

Louis J. Drakos 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).

  • Mattress lifter
    Patent number: 6886203
    Abstract: A mattress lifter having a base member and tubular lifting elements pivotably supported thereby. Handles at opposite ends enable the homemaker to lift the mattress with ease and convenience.
    Type: Grant
    Filed: January 15, 2003
    Date of Patent: May 3, 2005
    Inventors: Louis J. Drakos, John P. Drakos
  • Mattress lifter
    Publication number: 20040133985
    Abstract: A mattress lifter having a base member and tubular lifting elements pivotably supported thereby. Handles at opposite ends enable the homemaker to lift the mattress with ease and convenience.
    Type: Application
    Filed: January 15, 2003
    Publication date: July 15, 2004
    Inventors: Louis J. Drakos, John P. Drakos
  • Spring operated squirrel proof bird feeder
    Patent number: 5720238
    Abstract: A squirrel proof bird feeder comprises inner and outer housing with the inner housing fixed vertically and with the outer housing telescopically received thereabout and moveable between upper and lower positions. The housings have openings which are aligned and which provide through openings serving as feed ports in the upper position of the outer housing. In the lower position of he outer housing, the openings are misaligned and close the feed ports. The outer housing is also provided with springs biasing the some toward the upper position but allowing the housing to move downwardly to the lower position under the weight of a squirrel.
    Type: Grant
    Filed: September 4, 1996
    Date of Patent: February 24, 1998
    Inventor: Louis J. Drakos
  • Squirrel proof bird feeder
    Patent number: 5375558
    Abstract: A squirrel proof bird feeder comprises inner and outer housing with the inner housing fixed vertically and with the outer housing telescopically received thereabout and moveable between upper and lower positions. The housings have openings which are aligned and which provide through openings serving as feed ports in the upper position of the outer housing. In the lower position of the outer housing, the openings are misaligned and close the feed ports. The outer housing is also provided with counterweights biasing the same toward the upper position but allowing the housing to move downwardly to the lower position under the weight of a squirrel.
    Type: Grant
    Filed: September 15, 1993
    Date of Patent: December 27, 1994
    Inventor: Louis J. Drakos