Patents by Inventor Vladimir Mikhailovich Kulikov

Vladimir Mikhailovich Kulikov 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).

  • Household water filter
    Patent number: 8382980
    Abstract: Apparatus for water purification and used in drinking water supply systems and individual filters. The apparatus allows an increase in quality of the water purification by means of a helical arrangement of a granular filter and an increase of the number of passages in which the water is purified. A household filter comprises a housing with distribution grids at the water inlet and outlet, two and more helical partitions having the form of a flat band or rod twisted around the longitudinal axis and having three or more beam profiles, and, optionally, comprise one or more flat partitions dividing the water inlet and outlet.
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: February 26, 2013
    Assignee: DWT Deutsche Wassertechnologien GmbH
    Inventors: Vladimir Mikhailovich Kulikov, Vladimir Alekseevich Zakharov
  • HOUSEHOLD WATER FILTER
    Publication number: 20110056881
    Abstract: Apparatus for water purification and used in drinking water supply systems and individual filters. The apparatus allows an increase in quality of the water purification by means of a helical arrangement of a granular filter and an increase of the number of passages in which the water is purified. A household filter comprises a housing with distribution grids at the water inlet and outlet, two and more helical partitions having the form of a flat band or rod twisted around the longitudinal axis and having three or more beam profiles, and, optionally, comprise one or more flat partitions dividing the water inlet and outlet.
    Type: Application
    Filed: May 11, 2010
    Publication date: March 10, 2011
    Applicant: Obshtshestvo s ogranichennoy otvetstvennostyu "Firma "Ratna"
    Inventors: Vladimir Mikhailovich Kulikov, Vladimir Alekseevich Zakharov
  • Water filter
    Patent number: D605890
    Type: Grant
    Filed: December 31, 2008
    Date of Patent: December 15, 2009
    Assignee: Obshtshestvo s ogranichennoy otvetstvennostyu “ Firma “Ratna”
    Inventors: Vladimir Mikhailovich Kulikov, Vladimir Alekseevich Zakharov
  • Water filter
    Patent number: D610649
    Type: Grant
    Filed: December 31, 2008
    Date of Patent: February 23, 2010
    Assignee: Obshtshestvo s ogranichennoy otvetstvennostyu “Firma “Ratna”
    Inventors: Vladimir Mikhailovich Kulikov, Vladimir Alekseevich Zakharov
  • Water filter
    Patent number: D610650
    Type: Grant
    Filed: December 31, 2008
    Date of Patent: February 23, 2010
    Assignee: Obshtshestvo s ogranichennoy otvetstvennostyu “Firma “Ratna”
    Inventors: Vladimir Mikhailovich Kulikov, Vladimir Alekseevich Zakharov
  • Closure for a water filter
    Patent number: D611121
    Type: Grant
    Filed: December 31, 2008
    Date of Patent: March 2, 2010
    Assignee: Obshtshestvo s Ogranichennoy Otvetstvennostyu Firma “Ratna”
    Inventors: Vladimir Mikhailovich Kulikov, Vladimir Alekseevich Zakharov
  • Water filter
    Patent number: D616694
    Type: Grant
    Filed: December 31, 2008
    Date of Patent: June 1, 2010
    Assignee: Obshtshestvo s ogranichennoy otvetstvennostyu “Firma “Ratna”
    Inventors: Vladimir Mikhailovich Kulikov, Vladimir Alekseevich Zakharov
  • Pitcher for a water filter
    Patent number: D618032
    Type: Grant
    Filed: December 3, 2008
    Date of Patent: June 22, 2010
    Assignee: Obshtshestvo s ogranichennoy otvetstevennostyu “Firma “Ratna”
    Inventors: Vladimir Mikhailovich Kulikov, Vladimir Alekseevich Zakharov
  • Water filter housing
    Patent number: D645935
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: September 27, 2011
    Assignee: DWT Deutsche Wassertechnologien GmbH
    Inventors: Vladimir Mikhailovich Kulikov, Vladimir Alekseevich Zakharov
  • Filter device
    Patent number: D668740
    Type: Grant
    Filed: October 20, 2011
    Date of Patent: October 9, 2012
    Assignee: DWT Deutsche Wassertechnologien GmbH
    Inventors: Vladimir Mikhailovich Kulikov, Vladimir Alekseevich Zakharov
  • Water filter with two cartridges
    Patent number: D676108
    Type: Grant
    Filed: March 15, 2010
    Date of Patent: February 12, 2013
    Assignee: DWT Deutsche Wassertechnologien GmbH
    Inventors: Vladimir Mikhailovich Kulikov, Vladimir Alekseevich Zakharov