Patents by Inventor Mikhail Jurievich Bondar

Mikhail Jurievich Bondar 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).

  • Pneumatic impact devices
    Patent number: 4070948
    Abstract: The present invention relates to pneumatic impact devices and can be used to the best advantage for making holes in compacted soils.The device is provided with a hollow casing which accommodates a stepped ram with the maximum-diameter step in its front part. This step has longitudinal channels which open at one end into a working chamber defined by the maximum-diameter step and the side walls of the casing and serving for receiving compressed air from the compressed air line, with the air moving the striker to impart a blow after which it is discharged through holes in the casing.
    Type: Grant
    Filed: November 13, 1975
    Date of Patent: January 31, 1978
    Inventors: Khaim Berkovich Tkach, Alexandr Dmitrievich Kostylev, Konstantin Konstantinovich Tupitsyn, Konstantin Stepanovich Gurkov, Vladimir Vasilievich Klimashko, Leonid Georgievich Rozhkov, Mikhail Jurievich Bondar, Boris Nikolaevich Smolyanitsky