Patents by Inventor Haitao Cheng

Haitao Cheng 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).

  • Publication number: 20180366822
    Abstract: A capacitor radio frequency (RF) shielding structure may include a ground plane partially surrounding a coupling capacitor in an RF signal path. The ground plane may include a first ground plane portion extending between a positive terminal of the RF signal path and a negative terminal of the RF signal path. The ground plane may include a second ground plane portion extending between the positive terminal and the negative terminal of the RF signal path. The second ground plane portion may be opposed the first ground plane portion. The capacitor RF shielding structure may also include a patterned shielding layer electrically contacting the first ground plane portion and/or the second ground plane portion. The patterned shielding layer may electrically disconnecting a return current path over the patterned shielding layer to confine a return current to flowing over the first ground plane portion or the second ground plane portion.
    Type: Application
    Filed: August 25, 2017
    Publication date: December 20, 2018
    Inventors: Haitao CHENG, Zhang JIN
  • Publication number: 20180294540
    Abstract: Certain aspects of the present disclosure provide a directional coupler. In certain aspects, the directional coupler generally includes a first inductor and a second inductor wirelessly coupled to the first inductor. In certain aspects, the directional coupler generally includes an input port at a first terminal of the first inductor and a transmitted port at a second terminal of the first inductor. In certain aspects, the directional coupler generally includes a coupled port at a first terminal of the second inductor and an isolated port at a second terminal of the second inductor. In certain aspects, the directional coupler generally includes a first complex impedance component directly coupled to the isolated port and a second complex impedance component directly coupled to the coupled port.
    Type: Application
    Filed: April 6, 2018
    Publication date: October 11, 2018
    Inventors: Haitao CHENG, Zhang JIN, Abbas ABBASPOUR-TAMIJANI
  • Patent number: 9903410
    Abstract: The current invention discloses a thrust lever ball head assembly comprising a thrust lever ball hinge and a thrust lever ball head. The thrust lever ball head comprises a main body of the thrust lever ball head and flange structures on both sides of the main body of the thrust lever ball head, wherein the flange structures and the main body of the thrust lever ball head are an integral part, and the flange structures on both sides of the main body of the thrust lever ball head work together with the thrust lever ball hinge to limit the thrust lever ball hinge inside the thrust lever ball head. The thrust lever ball head assembly of the present invention has a simple structure, high assembling efficiency, low manufacture costs, light weight, free of maintenance and completely fulfills the requirements of light weight.
    Type: Grant
    Filed: December 1, 2014
    Date of Patent: February 27, 2018
    Assignee: ZHUZHOU TIMES NEW MATERIAL TECHNOLOGY CO., LTD
    Inventors: Bo Zou, Duankang Xie, Yong Xia, Yabin Zhao, Jianlin Liu, Chengjun Luo, Chunjie Guo, Haitao Cheng
  • Publication number: 20170175805
    Abstract: The current invention discloses a thrust lever ball head assembly comprising a thrust lever ball hinge and a thrust lever ball head. The thrust lever ball head comprises a main body of the thrust lever ball head and flange structures on both sides of the main body of the thrust lever ball head, wherein the flange structures and the main body of the thrust lever ball head are an integral part, and the flange structures on both sides of the main body of the thrust lever ball head work together with the thrust lever ball hinge to limit the thrust lever ball hinge inside the thrust lever ball head. The thrust lever ball head assembly of the present invention has a simple structure, high assembling efficiency, low manufacture costs, light weight, free of maintenance and completely fulfills the requirements of light weight.
    Type: Application
    Filed: December 1, 2014
    Publication date: June 22, 2017
    Inventors: BO ZOU, DUANKANG XIE, YONG XIA, YABIN ZHAO, JIANLIN LIU, CHENGJUN LUO, CHUNJIE GUO, HAITAO CHENG
  • Publication number: 20140331891
    Abstract: The present application provides an axle box rubber spring including an upper end plate, a lower end plate and a rubber member filled between the upper end plate and the lower end plate, wherein a surface, connected with the rubber member, of at least one of the upper end plate and the lower end plate is provided with a projection and a recess which are distributed alternately, and each of the projection and the recess is in a strip shape. Due to the projection and the recess which are distributed alternatively and both in a strip shape, the axle box rubber spring according to the present application has an increased rigidity, and a reliable positioning is ensured, and further the operating requirement of a heavy-haul railway wagon may be met. The present application further provides a railway wagon bogie having the axle box rubber spring.
    Type: Application
    Filed: October 8, 2013
    Publication date: November 13, 2014
    Applicant: Zhuzhou Times New Material Technology Co., Ltd.
    Inventors: Bo LIU, Yongguan WANG, Chunliang ZHANG, Jianlin LI, Haitao CHENG, Hong WANG
  • Patent number: 7335301
    Abstract: The present invention encompasses a leaf packet useful in forming a spiral filtration module, wherein the fold area of the leaf packet is reinforced with a UV cured adhesive. The invention further encompasses a spiral filtration module wherein the fold line, side seams and/or axial seams of the membranes utilized in the module are reinforced with a UV curable adhesive. The present invention further encompasses the method for making such leaf packet and such spiral filtration modules.
    Type: Grant
    Filed: November 22, 2002
    Date of Patent: February 26, 2008
    Assignee: Koch Membrane Systems, Inc.
    Inventor: Haitao Cheng
  • Publication number: 20040099598
    Abstract: The present invention encompasses a leaf packet useful in forming a spiral filtration module, wherein the fold area of the leaf packet is reinforced with a UV cured adhesive. The invention further encompasses a spiral filtration module wherein the fold line, side seams and/or axial seams of the membranes utilized in the module are reinforced with a UV curable adhesive. The present invention further encompasses the method for making such leaf packet and such spiral filtration modules.
    Type: Application
    Filed: November 22, 2002
    Publication date: May 27, 2004
    Applicant: KOCH MEMBRANE SYSTEMS, INC.
    Inventor: Haitao Cheng
  • Patent number: 6433091
    Abstract: A methacrylate ester or acrylate ester two-part reactive adhesive composition including vinyl-terminated liquid rubber and polymeric elastomer. The vinyl-terminated liquid rubber is preferably methacrylate-terminated or acrylate-terminated polybutadiene; the polymeric elastomer is preferably polychloroprene, core shell polymer and/or block copolymer rubber.
    Type: Grant
    Filed: May 10, 2001
    Date of Patent: August 13, 2002
    Assignee: Henkel Loctite Corporation
    Inventor: Haitao Cheng
  • Patent number: 6291593
    Abstract: A methacrylate ester or acrylate ester adhesive composition including a retarding additive to extend the open time and/or reduce the peak exotherm temperature. The retarding additive is selected from the group consisting of non-protonic Lewis acids and zinc salts and mixtures thereof.
    Type: Grant
    Filed: December 1, 1999
    Date of Patent: September 18, 2001
    Assignee: Loctite Corporation
    Inventor: Haitao Cheng