Patents by Inventor Fen HAN

Fen HAN 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).

  • Drilling type sidewall coring apparatus
    Patent number: 10018038
    Abstract: A drilling type sidewall coring apparatus, comprising: a main body, a transmission device, a bit mounted on the transmission device, a rack accommodated in the main body, and a plurality of first hydraulic oil cylinders, the transmission device mounted on the rack in a rotatable manner, the first hydraulic oil cylinders mounted on the main body, pistons of the first hydraulic oil cylinders connected with the rack, the telescopic motion of the pistons of the first hydraulic oil cylinders driving the rack to perform radial motion in the main body so as to make the bit protrude or retract from the main body. The electric motor is mounted in the main body and connected with the right angel speed reducer by the soft shaft. The electric motor transmits power by the soft shaft and the right angle speed reducer to drive the bit to rotate, the transmission efficiency is higher.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: July 10, 2018
    Assignees: China National Offshore Oil Corporation, China Oilfield Services Limited
    Inventors: Yongren Feng, Zhibin Tian, Tao Lu, Liping Liu, Guiqing Hao, Wenquan Zhang, Xiaodong Chu, Zanqing Wei, Tiemin Liu, Fen Han
  • Drilling Type Sidewall Coring Apparatus
    Publication number: 20170107813
    Abstract: A drilling type sidewall coring apparatus, comprising: a main body, a transmission device, a bit mounted on the transmission device, a rack accommodated in the main body, and a plurality of first hydraulic oil cylinders, the transmission device mounted on the rack in a rotatable manner, the first hydraulic oil cylinders mounted on the main body, pistons of the first hydraulic oil cylinders connected with the rack, the telescopic motion of the pistons of the first hydraulic oil cylinders driving the rack to perform radial motion in the main body so as to make the bit protrude or retract from the main body. The electric motor is mounted in the main body and connected with the right angel speed reducer by the soft shaft. The electric motor transmits power by the soft shaft and the right angle speed reducer to drive the bit to rotate, the transmission efficiency is higher.
    Type: Application
    Filed: September 19, 2014
    Publication date: April 20, 2017
    Inventors: Yongren FENG, Zhibin TIAN, Tao LU, Liping LIU, Guiqing HAO, Wenquan ZHANG, Xiaodong CHU, Zanqing WEI, Tiemin LIU, Fen HAN
  • Display screen or portion thereof with a graphical user interface
    Patent number: D1118674
    Type: Grant
    Filed: March 29, 2023
    Date of Patent: March 17, 2026
    Assignee: SONY GROUP CORPORATION
    Inventors: Fen Han, Mitsuo Okumura