Patents by Inventor Wen-Chen Chang

Wen-Chen Chang 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).

  • Patent number: 11912837
    Abstract: The present disclosure provides a thin film including a first thermoplastic polyolefin (TPO) elastomer which is anhydride-grafted. The present disclosure further provides a method for manufacturing the thin film, a laminated material and a method for adhesion.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: February 27, 2024
    Assignee: SAN FANG CHEMICAL INDUSTRY CO., LTD.
    Inventors: Chih-Yi Lin, Kuo-Kuang Cheng, Chi-Chin Chiang, Wen-Hsin Tai, Ming-Chen Chang
  • Patent number: 10421317
    Abstract: A castor assembly includes a base, a wheel unit and a rotation shaft. The wheel unit is located under the base and includes a pivot member, an elastic member biased and exposed between the base and the pivot member, and two rollers mounted on the pivot member. The rotation shaft is mounted between the base and the wheel unit and extends through the elastic member. The rotation shaft has a periphery provided with an operation slot. A positioning pin extends through the pivot member and is slidable in the operation slot of the rotation shaft. Thus, the elastic member is exposed outward so that the user clearly sees the elastic member and knows the shock-absorbing function provided by the elastic member.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: September 24, 2019
    Inventor: Wen-Chen Chang
  • Publication number: 20190077193
    Abstract: A castor assembly includes a base, a wheel unit and a rotation shaft. The wheel unit is located under the base and includes a pivot member, an elastic member biased and exposed between the base and the pivot member, and two rollers mounted on the pivot member. The rotation shaft is mounted between the base and the wheel unit and extends through the elastic member. The rotation shaft has a periphery provided with an operation slot. A positioning pin extends through the pivot member and is slidable in the operation slot of the rotation shaft. Thus, the elastic member is exposed outward so that the user clearly sees the elastic member and knows the shock-absorbing function provided by the elastic member.
    Type: Application
    Filed: September 12, 2017
    Publication date: March 14, 2019
    Inventor: Wen-Chen Chang
  • Patent number: 9718308
    Abstract: A castor includes a wheel support and at least one roller mounted on the wheel support. The at least one roller has a peripheral portion provided with a hollow air chamber which is provided with a plurality of hollow air columns. One of the hollow air columns is provided with an air inlet. The at least one roller is made of soft material that is made by a blow molding operation. The soft material is initially made into a tubular blank by a blow molding machine. A gas is then filled into the soft material to blow and shape the soft material in a die at a high temperature to form the at least one roller. The at least one roller is then stripped from the die.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: August 1, 2017
    Inventor: Wen-Chen Chang
  • Publication number: 20170197463
    Abstract: A castor includes a wheel support and at least one roller mounted on the wheel support. The at least one roller has a peripheral portion provided with a hollow air chamber which is provided with a plurality of hollow air columns. One of the hollow air columns is provided with an air inlet. The at least one roller is made of soft material that is made by a blow molding operation. The soft material is initially made into a tubular blank by a blow molding machine. A gas is then filled into the soft material to blow and shape the soft material in a die at a high temperature to form the at least one roller. The at least one roller is then stripped from the die.
    Type: Application
    Filed: January 13, 2016
    Publication date: July 13, 2017
    Inventor: Wen-Chen Chang
  • Publication number: 20140291096
    Abstract: A suitcase includes a main body and a retractable handle assembly. The handle assembly includes a pair of outer handles and at least one pair of inner handles. Each of the inner handles and the outer handles is made of a plastic pipe which is formed by a primary material which is fused, extruded and molded to form the plastic pipe of each of the inner handles and the outer handles. The primary material includes polymethyl Methacrylate (PMMA), polycarbonate (PC) or polyethylene terephthalate (PET). Thus, the handle assembly has a better outer appearance and has a lighter weight. In addition, each of the inner handles and the outer handles has a better restoring function and can be rapidly restored to the original state when being deformed due to a collision.
    Type: Application
    Filed: April 15, 2013
    Publication date: October 2, 2014
    Inventor: Wen-Chen Chang
  • Patent number: 8841045
    Abstract: A method for fabricating a bi-polar plate of a fuel cell and the bi-polar plate thereof are presented. A graphite film is formed first. Next, a polymeric material added with electrically conductive powder is coated on a surface of a metal substrate. The graphite film is disposed on the polymeric material and the polymeric material is hardened to form an adhesive layer, such that the graphite film is attached on the surface of the metal substrate.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: September 23, 2014
    Assignee: Industrial Technology Reserach Institute
    Inventors: Wen-Lin Wang, Chun-Hsing Wu, Kan-Lin Hsueh, Huan-Ruei Shiu, Wen-Chen Chang, Fang-Hei Tsau, Lung-Yu Sung
  • Patent number: 8828621
    Abstract: A fuel cell module may include a membrane electrode assembly, two gas diffusion layers, two current collectors, two sealing members, a fluid flow plate assembly. The fluid flow plate assembly may include a first manifold, a second manifold, and a fluid flow channel. The membrane electrode assembly may include at least one membrane for fuel cell reactions. The two gas diffusion layers may be respectively coupled with two opposite sides of the membrane electrode assembly. The two current collectors respectively coupled with the two gas diffusion layers, and the two sealing members respectively coupled with the two current collectors.
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: September 9, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Chi-Chang Chen, Huan-Ruei Shiu, Chun-Hsing Wu, Fanghei Tsau, Wen-Chen Chang
  • Patent number: 8691475
    Abstract: According to embodiments of the invention, a fuel cell fluid flow field plate is provided. The fuel cell fluid flow field plate includes a flexible substrate including a fluid distribution zone having at least one flow channel, a manifold penetrating the flexible substrate and next to the fluid distribution zone, an upward extending portion extending upward at a position near an interface between the manifold and the fluid distribution zone, wherein a bend angle is between the upward extending portion and the fluid distribution zone, and the upward extending portion has at least one through-hole penetrating through the flexible substrate to expose the manifold, and a cover extending portion linking with the upward extending portion and covering a portion of the fluid distribution zone.
    Type: Grant
    Filed: July 2, 2013
    Date of Patent: April 8, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Chi-Chang Chen, Huan-Ruei Shiu, Shiqah-Ping Jung, Fanghei Tsau, Wen-Chen Chang
  • Patent number: 8691473
    Abstract: A fuel cell module may include a membrane electrode assembly two gas diffusion layers, two current collectors, two sealing members, and a fluid flow plate assembly. The membrane electrode assembly may include at least one membrane for fuel cell reactions, and the two gas diffusion layers may be respectively coupled with the two opposite sides of the membrane electrode assembly. The fluid flow plate assembly is coupled with the membrane electrode assembly at a first side of the two opposite sides of the membrane electrode assembly. At least one of the membrane electrode assembly, the two gas diffusion layers, the two current collectors, and the two sealing members has a non-planar surface prior to an assembly of the membrane electrode assembly, the two gas diffusion layers, the two current collectors, and the two sealing members, and the non-planar surface is at least partially flattened when the assembly occurs.
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: April 8, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Chi-Chang Chen, Huan-Ruei Shiu, Wen-Chen Chang, Fanghei Tsau
  • Publication number: 20140080028
    Abstract: A fuel cell module may include a membrane electrode assembly two gas diffusion layers, two current collectors, two sealing members, and a fluid flow plate assembly. The membrane electrode assembly may include at least one membrane for fuel cell reactions, and the two gas diffusion layers may be respectively coupled with the two opposite sides of the membrane electrode assembly. The fluid flow plate assembly is coupled with the membrane electrode assembly at a first side of the two opposite sides of the membrane electrode assembly. At least one of the membrane electrode assembly, the two gas diffusion layers, the two current collectors, and the two sealing members has a non-planar surface prior to an assembly of the membrane electrode assembly, the two gas diffusion layers, the two current collectors, and the two sealing members, and the non-planar surface is at least partially flattened when the assembly occurs.
    Type: Application
    Filed: November 20, 2013
    Publication date: March 20, 2014
    Applicant: Industrial Technology Research Institute
    Inventors: Chi-Chang Chen, Huan-Ruei Shiu, Wen-Chen Chang, Fanghei Tsau
  • Patent number: 8652708
    Abstract: A fluid flow plate of a fuel cell includes a main body and a supporting frame. The main body includes a plurality of fluid channels and an opening, wherein the fluid channels converge at the opening. The supporting frame, mounted on the periphery of the opening, is annular shaped and frames the fluid channels. The supporting frame includes a pair of supporting walls respectively disposed on two sides of the fluid channels.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: February 18, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Huan-Ruei Shiu, Chi-Chang Chen, Shiqah-Ping Jung, Wen-Chen Chang, Fanghei Tsau
  • Publication number: 20140000783
    Abstract: A method for fabricating a bi-polar plate of a fuel cell and the bi-polar plate thereof are presented. A graphite film is formed first. Next, a polymeric material added with electrically conductive powder is coated on a surface of a metal substrate. The graphite film is disposed on the polymeric material and the polymeric material is hardened to form an adhesive layer, such that the graphite film is attached on the surface of the metal substrate.
    Type: Application
    Filed: August 30, 2013
    Publication date: January 2, 2014
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Wen-Lin Wang, Chun-Hsing Wu, Kan-Lin Hsueh, Huan-Ruei Shiu, Wen-Chen Chang, Fang-Hei Tsau, Lung-Yu Sung
  • Publication number: 20130295493
    Abstract: According to embodiments of the invention, a fuel cell fluid flow field plate is provided. The fuel cell fluid flow field plate includes a flexible substrate including a fluid distribution zone having at least one flow channel, a manifold penetrating the flexible substrate and next to the fluid distribution zone, an upward extending portion extending upward at a position near an interface between the manifold and the fluid distribution zone, wherein a bend angle is between the upward extending portion and the fluid distribution zone, and the upward extending portion has at least one through-hole penetrating through the flexible substrate to expose the manifold, and a cover extending portion linking with the upward extending portion and covering a portion of the fluid distribution zone.
    Type: Application
    Filed: July 2, 2013
    Publication date: November 7, 2013
    Inventors: Chi-Chang Chen, Huan-Ruei Shiu, Shiqah-Ping Jung, Fanghei Tsau, Wen-Chen Chang
  • Patent number: 8557477
    Abstract: A fuel cell stack including a first end plate, a second end plate, at least a fuel cell, a first current collector and a second current collector is provided. The first end plate includes a first end plate structure component, which is combined with a first end plate manifold component. The second end plate includes a second end plate structure component, which is combined with a second end plate manifold component. The first and the second end plate manifold components are placed between the first and the second end plate structure components, while the fuel cell is disposed between the first and the second end plate manifold components. The first current collector is disposed between the first end plate manifold component and the fuel cell. The second current collector is disposed between the second end plate manifold component and the fuel cell.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: October 15, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Chi-Chang Chen, Huan-Ruei Shiu, Kuei-Han Chen, FangHei Tsau, Wen-Chen Chang
  • Patent number: 8557482
    Abstract: According to embodiments of the invention, a fuel cell fluid flow field plate is provided. The fuel cell fluid flow field plate includes a flexible substrate including a fluid distribution zone having at least one flow channel, a manifold penetrating the flexible substrate and next to the fluid distribution zone, an upward extending portion extending upward at a position near an interface between the manifold and the fluid distribution zone, wherein a bend angle is between the upward extending portion and the fluid distribution zone, and the upward extending portion has at least one through-hole penetrating through the flexible substrate to expose the manifold, and a cover extending portion linking with the upward extending portion and covering a portion of the fluid distribution zone.
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: October 15, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Chi-Chang Chen, Huan-Ruei Shiu, Shiqah-Ping Jung, Fanghei Tsau, Wen-Chen Chang
  • Patent number: 8546046
    Abstract: A method for fabricating a bi-polar plate of a fuel cell and the bi-polar plate thereof are presented. A graphite film is formed first. Next, a polymeric material added with electrically conductive powder is coated on a surface of a metal substrate. The graphite film is disposed on the polymeric material and the polymeric material is hardened to form an adhesive layer, such that the graphite film is attached on the surface of the metal substrate.
    Type: Grant
    Filed: February 18, 2010
    Date of Patent: October 1, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Wen-Lin Wang, Chun-Hsing Wu, Kan-Lin Hsueh, Huan-Ruei Shiu, Wen-Chen Chang, Fang-Hei Tsau, Lung-Yu Sung
  • Patent number: 8263284
    Abstract: A fluid cell fluid flow plate comprises: a fluid flow plate, having one face being a fluid flow face for receiving a reactive fluid and the other face being a non-active surface, provided with a first manifold, a second manifold, and a flow channel disposed on the fluid flow face; and a shell passageway piece, configured with parallel-disposed first face and second face that are connected to each other through a connecting face with at least one through hole provided thereon; wherein the flow channel being respectively connected to the first manifold through a first opening and to the second manifold through a second opening; and when the shell passageway piece and the fluid flow plate are combined, the first face contacts the fluid flow face, the second face contacts the non-active surface, and the first manifold communicates with the first opening by the through hole.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: September 11, 2012
    Assignee: Industrial Technology Research Institute
    Inventors: Chi-Chang Chen, Huan-Ruei Shiu, Shiqah-Ping Jung, Fanghei Tsau, Wen-Chen Chang
  • Patent number: 8045685
    Abstract: A remote monitoring and directing system including at least one video camera at the first-aid side to observe the situation of casualty and the operation on the casualty is provided. At least one microphone is disposed at the first-aid side for communicating with the first-aid personnel and directing a clinical operation. At least one medical instrument standard interface is disposed at the first-aid side for transmitting the electrocardiogram or other physiological information. At least one video/audio and data server is disposed at the monitoring side for managing information integration. A plurality of authorized computer systems is set up for conferring with and directing the first-aid station or the ambulance via the Internet, so as to give a direction. A wireless or cable connection is used for the conference between the first-aid side and the monitoring side.
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: October 25, 2011
    Assignee: Industrial Technology Research Institute
    Inventors: John Lin, Kuo-Hung Chan, Wen-Chen Chang, Shih-Yang Kou, Tzeng-Yow Lin, Wai-Mau Choi, Hsueh-Hai Hu
  • Publication number: 20110177429
    Abstract: A fluid flow plate of a fuel cell includes a main body and a supporting frame. The main body includes a plurality of fluid channels and an opening, wherein the fluid channels converge at the opening. The supporting frame, mounted on the periphery of the opening, is annular shaped and frames the fluid channels. The supporting frame includes a pair of supporting walls respectively disposed on two sides of the fluid channels.
    Type: Application
    Filed: April 29, 2010
    Publication date: July 21, 2011
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Huan-Ruei SHIU, Chi-Chang CHEN, Shiqah-Ping JUNG, Wen-Chen CHANG, Fanghei TSAU