Patents by Inventor Pierre Stewart

Pierre Stewart 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: 8684344
    Abstract: A protective envelope for a lid of a plastic cup comprises a vacuous plastic film stuck on the top of the lid which was beforehand vaporized by an antiseptic liquid, without alcohol, then dried. The plastic film includes a detachable part, activated by a thread to be pulled, which is positioned above the opening to drink of the lid. So, when a consumer is ready to drink, he removes the detachable part by pulling the thread, so freeing the opening to drink. With such protection the lid is protected from bacteria and virus which can cause diseases. In brief, the steps of conception of the antiseptic lid are: to vaporize the lid with an antiseptic liquid without alcohol, to dry the lid, to put a thin film of plastic onto the lid by positioning the detachable part over the drink opening and to stick the film onto the lid by means of a vacuum.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: April 1, 2014
    Inventor: Pierre Stewart
  • Publication number: 20120024473
    Abstract: A protective envelope for a lid of a plastic cup comprises a vacuous plastic film stuck on the top of the lid which was beforehand vaporized by an antiseptic liquid, without alcohol, then dried. The plastic film includes a detachable part, activated by a thread to be pulled, which is positioned above the opening to drink of the lid. So, when a consumer is ready to drink, he removes the detachable part by pulling the thread, so freeing the opening to drink. With such protection the lid is protected from bacteria and virus which can cause diseases. In brief, the steps of conception of the antiseptic lid are: to vaporize the lid with an antiseptic liquid without alcohol, to dry the lid, to put a thin film of plastic onto the lid by positioning the detachable part over the drink opening and to stick the film onto the lid by means of a vacuum.
    Type: Application
    Filed: July 26, 2011
    Publication date: February 2, 2012
    Inventor: Pierre Stewart
  • Patent number: 7320150
    Abstract: A broom (20) which permits picking up dust and disposing of said dust while standing up. The broom (20) comprises an aspiration canal (24) in the broom brush (22), reaching an aspiration tubing situated inside the broom handle (26). The aspiration tubing is ended by a removable cap (28). A motor (34) is situated alongside the tubing and permits the aspiration of air through the aspiration canal and aspiration tubing by an opening (32) along the tubing side. The opening is made of a semi permeable membrane (38) which allows air to exit the tube while keeping dust inside. The broom inside tubing comprises means to keep the dust inside the tubing, so the dust does not fall out through the bottom of the tubing. After the broom operator has finished aspiring the dust inside the broom handle, he may remove the cap, turn the broom upside down, and empty the dust into. All this without bending down.
    Type: Grant
    Filed: July 14, 2004
    Date of Patent: January 22, 2008
    Inventor: Pierre Stewart
  • Publication number: 20050015919
    Abstract: A broom (20) which permits picking up dust and disposing of said dust while standing up. The broom (20) comprises an aspiration canal (24) in the broom brush (22), reaching an aspiration tubing situated inside the broom handle (26). The aspiration tubing is ended by a removable cap (28). A motor (34) is situated alongside the tubing and permits the aspiration of air through the aspiration canal and aspiration tubing by an opening (32) along the tubing side. The opening is made of a semi permeable membrane (38) which allows air to exit the tube while keeping dust inside. The broom inside tubing comprises means to keep the dust inside the tubing, so the dust does not fall out through the bottom of the tubing. After the broom operator has finished aspiring the dust inside the broom handle, he may remove the cap, turn the broom upside down, and empty the dust into. All this without bending down.
    Type: Application
    Filed: July 14, 2004
    Publication date: January 27, 2005
    Inventor: Pierre Stewart