Patents by Inventor Pavel Efremkin

Pavel Efremkin 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).

  • Portable laser device
    Publication number: 20080043790
    Abstract: A hand-held laser device includes a casing formed with a substantially hollow interior space and having a laser emitter thereinside. The laser emitter is formed with an exciting lamp and a laser rod. A source generating a stream of gaseous coolant is provided within the interior space. A fluid cooling arrangement at least partially surrounding the laser rod is disposed within the stream of gaseous coolant for heat removal therefrom.
    Type: Application
    Filed: October 19, 2007
    Publication date: February 21, 2008
    Inventors: Valentin Gruzdev, Pavel Efremkin
  • Portable laser device
    Publication number: 20050085802
    Abstract: A hand-held laser device includes a casing formed with a substantially hollow interior space and having a laser emitter thereinside. The laser emitter is formed with an exciting lamp and a laser rod. A source generating a stream of gaseous coolant is provided within the interior space. A fluid cooling arrangement at least partially surrounding the laser rod is disposed within the stream of gaseous coolant for heat removal therefrom.
    Type: Application
    Filed: October 22, 2004
    Publication date: April 21, 2005
    Inventors: Valentin Gruzdev, Pavel Efremkin