Patents by Inventor Liudmila V. Gruzdeva

Liudmila V. Gruzdeva 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).

  • Drinking straw
    Patent number: 8485453
    Abstract: The straw designed for the intake of water based drink from a container. In the lower part of the flexible straw there are holes that are connected to the main tube of the straw. Above the holes and attached to the straw, there is a floating device which allows for the intake of the drink from the container only from fixed depth ranges, preferably from 5-15 mm from the surface of the water. The straw allows for the protection of the organism of the user from negative effects of the drink on the body's cells.
    Type: Grant
    Filed: September 20, 2011
    Date of Patent: July 16, 2013
    Inventors: Pavel V. Efremkin, Liudmila V. Gruzdeva
  • Drinking straw
    Publication number: 20120012598
    Abstract: The straw designed for the intake of water based drink from a container. In the lower part of the flexible straw there are holes that are connected to the main tube of the straw. Above the holes and attached to the straw, there is a floating device which allows for the intake of the drink from the container only from fixed depth ranges, preferably from 5-15 mm from the surface of the water. The straw allows for the protection of the organism of the user from negative effects of the drink on the body's cells.
    Type: Application
    Filed: September 20, 2011
    Publication date: January 19, 2012
    Inventors: Pavel V. Efremkin, Liudmila V. Gruzdeva
  • Drinking straw
    Patent number: 8025242
    Abstract: The straw designed for the intake of water based drink from a container. In the lower part of the flexible straw there are holes that are connected to the main tube of the straw. Above the holes and attached to the straw, there is a floating device which allows for the intake of the drink from the container only from fixed depth ranges, preferably from 5-15 mm from the surface of the water. The straw allows for the protection of the organism of the user from negative effects of the drink on the body's cells.
    Type: Grant
    Filed: December 3, 2007
    Date of Patent: September 27, 2011
    Inventors: Pavel V. Efremkin, Liudmila V. Gruzdeva