Patents by Inventor Robert E. Mekash

Robert E. Mekash 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).

  • Protective helmet with selectively covered aperture
    Patent number: 6925655
    Abstract: Protective helmet comprising a two piece shell, an electric motor and impeller useful for creating a positive pressure environment in the head space, and a filter for removing particulates and other substances. The impeller introduces atmospheric air into an air channel defined by two detachably attached shell pieces. The air is pushed through a particulate filter in the air channel and then through at least one aperture into the head space. A heating element may be used to heat the air flow.
    Type: Grant
    Filed: December 26, 2002
    Date of Patent: August 9, 2005
    Assignee: Polaris Industries Inc.
    Inventors: Richard R. Maki, Joshua J. Leonard, Robert E. Mekash
  • Positive pressure protective helmet
    Patent number: 6904616
    Abstract: Protective helmet comprising a two piece shell, an electric motor and impeller useful for creating a positive environment in the head space, and a filter for removing particulates and other substances. The impeller introduces atmospheric air into an air channel defined by two detachably attached shell pieces. The air is pushed through a particulate filter in the air channel and then through at least one aperture into the head space. A heating element may be used to heat the air flow.
    Type: Grant
    Filed: December 26, 2002
    Date of Patent: June 14, 2005
    Assignee: Polaris Industries Inc.
    Inventors: Richard R. Maki, Joshua J. Leonard, Robert E. Mekash
  • Protective helmet with detachable shell piece
    Patent number: 6766537
    Abstract: Protective helmet comprising a two piece shell, an electric motor and impeller useful for creating a positive pressure environment in the head space, and a filter for removing particulates and other substances. The impeller introduces atmospheric air into an air channel defined by two detachably attached shell pieces. The air is pushed through a particulate filter in the air channel and then through at least one aperture into the head space. A heating element may be used to heat the air flow.
    Type: Grant
    Filed: December 26, 2002
    Date of Patent: July 27, 2004
    Assignee: Polaris Industries Inc.
    Inventors: Richard R. Maki, Joshua J. Leonard, Robert E. Mekash