Patents by Inventor DAVID YIFRACH

DAVID YIFRACH 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).

  • Hot air blower and blowing method
    Patent number: 10299558
    Abstract: A hot air blower, including: an air channel for blowing a main stream of air therethrough by an electric fan; a gas tank, for supplying burning gas; a gas burner, including: an air inlet, disposed within the air channel, for receiving a first portion of the main air stream; a burning gas inlet for receiving the burning gas; and an outlet, disposed within the air channel, thereby the gas burner produces a flame at the outlet within the air channel, for heating the main air stream; and a mechanism, for automatically fitting a size of the air inlet to an extent of the main air stream and consequently to an extent of the second portion thereof.
    Type: Grant
    Filed: September 18, 2016
    Date of Patent: May 28, 2019
    Assignee: DAVID & D LTD.
    Inventors: David Yifrach, Harel Shalom
  • HOT AIR BLOWER AND BLOWING METHOD
    Publication number: 20170095049
    Abstract: A hot air blower, including: an air channel for blowing a main stream of air therethrough by an electric fan; a gas tank, for supplying burning gas; a gas burner, including: an air inlet, disposed within the air channel, for receiving a first portion of the main air stream; a burning gas inlet for receiving the burning gas; and an outlet, disposed within the air channel, thereby the gas burner produces a flame at the outlet within the air channel, for heating the main air stream; and a mechanism, for automatically fitting a size of the air inlet to an extent of the main air stream and consequently to an extent of the second portion thereof.
    Type: Application
    Filed: September 18, 2016
    Publication date: April 6, 2017
    Inventors: DAVID YIFRACH, HAREL SHALOM