Patents by Inventor Eugene Eliseev

Eugene Eliseev 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).

  • ERGONOMIC CHAIR BACKREST
    Publication number: 20070138851
    Abstract: A “task” chair intended primarily for a person working at a computer terminal has a back provided with a pair of upright struts that incorporate respective parallelogram linkages operative to increase the curvature of the lumbar region of the seat back while at least substantially maintaining the contour of the upper region of the backrest when a person leans back in the chair.
    Type: Application
    Filed: December 21, 2005
    Publication date: June 21, 2007
    Applicant: TK Canada Limited
    Inventors: Vladimir Yevko, Eugene Eliseev, Wolfgang Deisig
  • Ergonomic chair backrest
    Patent number: 7226127
    Abstract: A “task” chair intended primarily for a person working at a computer terminal has a back provided with a pair of upright struts that incorporate respective parallelogram linkages operative to increase the curvature of the lumbar region of the seat back while at least substantially maintaining the contour of the upper region of the backrest when a person leans back in the chair.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: June 5, 2007
    Assignee: TK Canada Limited
    Inventors: Vladimir Yevko, Eugene Eliseev, Wolfgang Deisig