Patents by Inventor Alexandr Alexeevich Sharychenkov

Alexandr Alexeevich Sharychenkov 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).

  • Open-end spinning frame
    Patent number: 3952491
    Abstract: An open-end spinning frame which can most advantageously be employed for spinning heavy yarns. The frame incorporates a plurality of spinning arrangements, each comprising a feeding arrangement, a twister, a yarn delivery motion and a building motion as well as a motion for their simultaneous disconnection and sequential actuation. The frame is simple in design and has a high operating efficiency.
    Type: Grant
    Filed: June 21, 1974
    Date of Patent: April 27, 1976
    Inventor: Alexandr Alexeevich Sharychenkov