Patents by Inventor De-Zheng Lan

De-Zheng Lan 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).

  • Unmanned aerial vehicle
    Patent number: 10486810
    Abstract: An unmanned aerial vehicle (UAV) including a vehicle body and an airflow thruster is provided. The vehicle body has a center hub, an airflow guiding structure and an outer circumferential portion. An interior of the airflow guiding structure is interconnected between the center hub and the outer circumferential portion. The center hub has an airflow inlet. The outer circumferential portion has a plurality of lateral guiding outlets facing downward and corresponding to a gravity direction of the gravity direction of the unmanned aerial vehicle. The airflow thruster is disposed inside the center hub for generating a plurality of jet streams, such that the jet streams flow to the lateral guiding outlets through the airflow guiding structure to generate a propulsion.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: November 26, 2019
    Assignees: INVENTEC APPLIANCES (PUDONG) CORPORATION, INVENTEC APPLIANCES CORP., INVENTEC APPLIANCES (SHANGHAI) CO. LTD.
    Inventors: De-Zheng Lan, Shih-Chin Tseng, Shih-Kuang Tsai
  • UNMANNED AERIAL VEHICLE
    Publication number: 20180057164
    Abstract: An unmanned aerial vehicle (UAV) including a vehicle body and an airflow thruster is provided. The vehicle body has a center hub, an airflow guiding structure and an outer circumferential portion. An interior of the airflow guiding structure is interconnected between the center hub and the outer circumferential portion. The center hub has an airflow inlet. The outer circumferential portion has a plurality of lateral guiding outlets facing downward and corresponding to a gravity direction of the gravity direction of the unmanned aerial vehicle. The airflow thruster is disposed inside the center hub for generating a plurality of jet streams, such that the jet streams flow to the lateral guiding outlets through the airflow guiding structure to generate a propulsion.
    Type: Application
    Filed: February 6, 2017
    Publication date: March 1, 2018
    Inventors: De-Zheng Lan, Shih-Chin Tseng, Shih-Kuang Tsai
  • Mobile phone
    Patent number: D498223
    Type: Grant
    Filed: March 23, 2004
    Date of Patent: November 9, 2004
    Assignee: Inventec Appliances Corporation
    Inventors: Tai-Shui Ho, Shih-Kuang Tsai, De-Zheng Lan
  • Electronic book
    Patent number: D602488
    Type: Grant
    Filed: December 1, 2008
    Date of Patent: October 20, 2009
    Assignee: Inventec Appliances Corp.
    Inventors: Jian-Hong Jiang, De-Zheng Lan, Steven Tseng
  • Personal digital assistant
    Patent number: D602491
    Type: Grant
    Filed: November 28, 2008
    Date of Patent: October 20, 2009
    Assignee: Inventec Appliances Corp.
    Inventors: Jian-Hong Jiang, De-Zheng Lan, Steven Tseng
  • Hand held device
    Patent number: D614626
    Type: Grant
    Filed: May 5, 2009
    Date of Patent: April 27, 2010
    Assignee: Inventec Appliances (Shanghai) Co., Ltd.
    Inventors: Zhi-Hong Dai, De-Zheng Lan, Shih-Chin Tseng
  • Hand held device
    Patent number: D615540
    Type: Grant
    Filed: May 5, 2009
    Date of Patent: May 11, 2010
    Assignee: Inventec Appliances (Shanghai) Co., Ltd.
    Inventors: De-Zheng Lan, Shih-Chin Tseng
  • Holder for a handheld device
    Patent number: D621823
    Type: Grant
    Filed: December 31, 2008
    Date of Patent: August 17, 2010
    Assignee: Inventec Appliances Corp.
    Inventors: Zhi-Hong Dai, De-Zheng Lan, Shih-Chin Tseng
  • Handheld electronic device
    Patent number: D624519
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: September 28, 2010
    Assignee: Inventec Appliances Corp.
    Inventors: Yong-Tao Shen, De-Zheng Lan, Shih-Chin Tseng
  • Holder for a handheld device
    Patent number: D627340
    Type: Grant
    Filed: December 31, 2008
    Date of Patent: November 16, 2010
    Assignee: Inventec Appliances Corp.
    Inventors: De-Zheng Lan, Shih-Chin Tseng
  • Handheld electronic device
    Patent number: D635974
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: April 12, 2011
    Assignee: Inventec Appliances Corp.
    Inventors: Jian-Hong Jiang, De-Zheng Lan, Shih-Chin Tseng
  • Stand for electronic device
    Patent number: D707673
    Type: Grant
    Filed: May 9, 2013
    Date of Patent: June 24, 2014
    Assignee: Inventec Appliances Corp.
    Inventor: De-Zheng Lan