Patents by Inventor T. Wu

T. Wu 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: 12146248
    Abstract: Provided are non-woven fibrous webs, methods and assemblies thereof. The non-woven fibrous web comprises a plurality of melt-blown fibers. The plurality of melt-blown fibers include a thermoplastic polymer blended with a phosphinate and/or polymeric phosphonate. The provided non-woven articles can afford a fine fiber diameter for enhanced acoustic insulation properties, dimensional stability, and superior flame-retardant properties when compared with conventional non-woven articles having similar fiber diameters.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: November 19, 2024
    Assignee: 3M Innovative Properties Company
    Inventors: Liyun Ren, Daniel J. Zillig, Sachin Talwar, Eumi Pyun, Jeffrey A. Chambers, Nurkan Turkdogru Gurun, Pingfan Wu, Tien T. Wu
  • Patent number: 11820844
    Abstract: A charge-modified particle comprising the inorganic core and a shell surrounding the inorganic core, wherein the shell comprises a copolymer comprising monomeric units corresponding to free-radically polymerizable monomers, and wherein at least one of the monomeric units comprises a substituted benzotriazolylphenolate salt. Methods of making the charge-modified particle by admicellar polymerization are also disclosed.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: November 21, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Nathan E. Schultz, Mikhail A. Belkin, Gerry A. Hoffdahl, Jimmie R. Baran, Jr., Tien T. Wu
  • Patent number: 11772775
    Abstract: An example aircraft wing includes a skin, a composite shear tie, a stringer base charge overlaying the skin, and a stringer overlaying the stringer base charge. The composite shear tie includes a shear-tie web, a first shear-tie flange extending from a first side of the shear-tie web, a second shear-tie flange extending from a second side of the shear-tie web, and a first shear-tie tab extending from an end of the first side of the shear-tie web. The stringer includes a stringer web, a first stringer flange extending from a first side of the stringer web, and a second stringer flange extending from a second side of the stringer web. The first stringer flange is stitched to and integrated with the stringer base charge and the skin. Further, the first shear-tie flange is stitched to and integrated with the first stringer flange.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: October 3, 2023
    Assignee: The Boeing Company
    Inventors: Kim A. Linton, Jaime E. Baraja, Hsi-Yung T. Wu
  • Publication number: 20230286107
    Abstract: A body is brought into contact with a polishing pad of a polishing system, a polishing liquid is supplied to the polishing pad, relative motion between the body and the polishing pad is generated while the body contacts the polishing pad, a signal from an in-situ eddy current monitoring system during the relative motion while the body contacts the polishing pad, generating, and mechanical vibrations in the polishing system are detected based on a signal from the in-situ eddy current monitoring system.
    Type: Application
    Filed: March 9, 2022
    Publication date: September 14, 2023
    Inventors: Kun Xu, Patrick A. Higashi, Hassan G. Iravani, Harry Q. Lee, Haosheng Wu, Eric T. Wu, Ningzhuo Cui, Jeonghoon Oh, Christopher Lai, Jun Qian
  • Publication number: 20220396903
    Abstract: A nonwoven fibrous web and a method of making thereof. The nonwoven fibrous web includes greater than 0% but no greater than 30 wt % of a plurality of melt-blown fibers comprised of a crystalline (co)polymer; and at least 70 wt % of a plurality of randomly-oriented staple fibers, the plurality of randomly-oriented staple fibers including: at least 60 wt % of oxidized polyacrylonitrile fibers; and from 0 to 40 wt % of reinforcing fibers having an outer surface comprised of a (co)polymer with a melting temperature of from 100° C. to 350° C.; wherein the plurality of melt-blown fibers and the plurality of randomly-oriented staple fibers are bonded together to form a cohesive non-woven fibrous web.
    Type: Application
    Filed: October 7, 2019
    Publication date: December 15, 2022
    Inventors: Tien T. Wu, Pingfan Wu, Liyun Ren
  • Patent number: 11492495
    Abstract: A modified aluminum nitride particle comprises an aluminum nitride core and a shell surrounding the aluminum nitride core. The shell comprises a crosslinked organic polymer. Methods of making the modified aluminum nitride particle by admicellar polymerization are also disclosed.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: November 8, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Nathan E. Schultz, Li Yao, Tien T. Wu, Gerry A. Hoffdahl, Jimmie R. Baran, Jr.
  • Publication number: 20220189296
    Abstract: An Internet of Things (IoT) technique for vehicular traffic management, including an IoT sensor to measure traffic data of vehicular traffic, a traffic analyzer to determine a traffic event based on the traffic data, and an IoT gateway to issue a response based on the traffic event.
    Type: Application
    Filed: December 1, 2021
    Publication date: June 16, 2022
    Inventors: Bradut Vrabete, Wen-Kuang Yu, Sam Hsu, Albert T. Wu, Richard Lin, Wilson Y. Lee
  • Patent number: 11351653
    Abstract: Abrasive articles including a nonwoven fibrous substrate having a plurality of fibers, and a multiplicity of shaped abrasive particles, each shaped abrasive particle adhered to a corresponding fiber, each shaped abrasive particle having a length (L) and a width (W) determined in a direction substantially orthogonal to the length, the ratio of the length to the width defining an aspect ratio (L/W) of at least 1.1, each abrasive particle is oriented relative to its corresponding fiber, and more than 50% of the abrasive particles are oriented with respect to their corresponding fiber such that the abrasive particle length extends generally outwardly away from a surface of the corresponding fiber as determined visually using the Orientation Test. The shaped abrasive particles may have the geometric shape of a polygonal prism having two faces and at least three sides thereon. Methods of making the abrasive articles are also disclosed.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: June 7, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Aaron K. Nienaber, Grayce T. Huberty, Thomas J. Nelson, Ronald D. Apple, Louis S. Moren, Robinette S. Alkhas, Nathan E. Schultz, Tien T. Wu, Gerry A. Hoffdahl
  • Patent number: 11305224
    Abstract: An air filter media (10) including a pleated fibrous filtration web (8) with a first major side (2) that includes at least one sorbent-loaded area (26) in which sorbent particles (14) are present on a first major surface (25) of the pleated fibrous filtration web (8), at least some of the sorbent particles (14) being post-pleat-deposited sorbent particles.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: April 19, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Andrew R. Fox, Himanshu Jasuja, Mikhail A. Belkin, Bryan L. Gerhardt, Glen O. Gregerson, Gerry A. Hoffdahl, Jonathan M. Lise, Tien T. Wu
  • Publication number: 20220042221
    Abstract: A nonwoven fabric and a method of making thereof. The nonwoven fabric includes a plurality of randomly-oriented fibers, the plurality of randomly-oriented fibers including: at least 60 wt % of oxidized polyacrylonitrile fibers; and from to less than 40 wt % of reinforcing fibers having an outer surface comprised of a (co)polymer with a melting temperature of from 100° C. to 450° C.; and a fluoropolymer binder on the plurality of randomly-oriented fibers; wherein the plurality of randomly-oriented fibers is bonded together to form the nonwoven fabric, optionally wherein the nonwoven fabric has a thickness of one millimeter or less.
    Type: Application
    Filed: November 13, 2019
    Publication date: February 10, 2022
    Inventors: Pingfan Wu, Tien T. Wu
  • Publication number: 20220033059
    Abstract: An example aircraft wing includes a skin, a composite shear tie, a stringer base charge overlaying the skin, and a stringer overlaying the stringer base charge. The composite shear tie includes a shear-tie web, a first shear-tie flange extending from a first side of the shear-tie web, a second shear-tie flange extending from a second side of the shear-tie web, and a first shear-tie tab extending from an end of the first side of the shear-tie web. The stringer includes a stringer web, a first stringer flange extending from a first side of the stringer web, and a second stringer flange extending from a second side of the stringer web. The first stringer flange is stitched to and integrated with the stringer base charge and the skin. Further, the first shear-tie flange is stitched to and integrated with the first stringer flange.
    Type: Application
    Filed: October 18, 2021
    Publication date: February 3, 2022
    Inventors: Kim A. Linton, Jaime E. Baraja, Hsi-Yung T. Wu
  • Patent number: 11180238
    Abstract: An example aircraft wing includes a skin, a composite shear tie, a stringer base charge overlaying the skin, and a stringer overlaying the stringer base charge. The composite shear tie includes a shear-tie web, a first shear-tie flange extending from a first side of the shear-tie web, a second shear-tie flange extending from a second side of the shear-tie web, and a first shear-tie tab extending from an end of the first side of the shear-tie web. The stringer includes a stringer web, a first stringer flange extending from a first side of the stringer web, and a second stringer flange extending from a second side of the stringer web. The first stringer flange is stitched to and integrated with the stringer base charge and the skin. Further, the first shear-tie flange is stitched to and integrated with the first stringer flange.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: November 23, 2021
    Assignee: The Boeing Company
    Inventors: Kim A. Linton, Jaime E. Baraja, Hsi-Yung T. Wu
  • Publication number: 20210331444
    Abstract: A nonwoven fiber assembly. The nonwoven fiber assembly includes a nonwoven fibrous web including a plurality of discontinuous fibers; and a nonwoven fabric at least partially surrounding the nonwoven fibrous web; the nonwoven fabric including a plurality of randomly-oriented fibers, the plurality of randomly-oriented fibers comprising: at least 60 wt % of oxidized polyacrylonitrile fibers; and from 0 to less than 40 wt % of reinforcing fibers having an outer surface comprised of a (co)polymer with a melting temperature of from 100° C. to 450° C.; and a fluoropolymer binder on the plurality of randomly-oriented fibers.
    Type: Application
    Filed: November 13, 2019
    Publication date: October 28, 2021
    Inventors: Pingfan Wu, Tien T. Wu
  • Publication number: 20210292947
    Abstract: Provided are non-woven fibrous webs, methods and assemblies thereof. The non-woven fibrous web comprises a plurality of melt-blown fibers. The plurality of melt-blown fibers include a thermoplastic polymer blended with a phosphinate and/or polymeric phosphonate. The provided non-woven articles can afford a fine fiber diameter for enhanced acoustic insulation properties, dimensional stability, and superior flame-retardant properties when compared with conventional non-woven articles having similar fiber diameters.
    Type: Application
    Filed: October 15, 2019
    Publication date: September 23, 2021
    Inventors: Liyun Ren, Daniel J. Zillig, Sachin Talwar, Eumi Pyun, Jeffrey A. Chambers, Nurkan Turkdogru Gurun, Pingfan Wu, Tien T. Wu
  • Publication number: 20210283749
    Abstract: Abrasive articles including a nonwoven fibrous substrate having a plurality of fibers, and a multiplicity of shaped abrasive particles, each shaped abrasive particle adhered to a corresponding fiber, each shaped abrasive particle having a length (L) and a width (W) determined in a direction substantially orthogonal to the length, the ratio of the length to the width defining an aspect ratio (L/W) of at least 1.1, each abrasive particle is oriented relative to its corresponding fiber, and more than 50% of the abrasive particles are oriented with respect to their corresponding fiber such that the abrasive particle length extends generally outwardly away from a surface of the corresponding fiber as determined visually using the Orientation Test. The shaped abrasive particles may have the geometric shape of a polygonal prism having two faces and at least three sides thereon. Methods of making the abrasive articles are also disclosed.
    Type: Application
    Filed: September 18, 2017
    Publication date: September 16, 2021
    Inventors: Aaron K. Nienaber, Grayce T. Huberty, Thomas J. Nelson, Ronald D. Apple, Louis S. Moren, Robinette S. Alkhas, Nathan E. Schultz, Tien T. Wu, Gerry A. Hoffdahl
  • Patent number: 11092713
    Abstract: A method for making downhole electromagnetic logging measurements of a subterranean formation is disclosed. An electromagnetic logging tool is rotated in a subterranean wellbore. The tool includes a transmitter axially spaced apart from a receiver. The transmitter may include an axial transmitting antenna and at least one transverse transmitting antenna and the receiver may include an axial receiving antenna and at least one transverse receiving antenna. The transmitting antennas transmit corresponding electromagnetic waves into the subterranean wellbore. The receiving antennas receive corresponding voltage measurements which are processed to compute harmonic voltage coefficients. Ratios of the selected harmonic voltage coefficients are processed to compute gain compensated, azimuthally invariant measurement quantities.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: August 17, 2021
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Peter T. Wu, Mark T. Frey
  • Patent number: 11001363
    Abstract: An example aircraft wing includes a first skin, a second skin opposite to the first skin, and a composite spar. The composite spar includes a double-flanged spar cap, a single-flanged spar cap, a spar web connecting the double-flanged spar cap and the single-flanged spar cap, and a tear strap. The double-flanged spar cap includes an inward-facing flange and a first outward-facing flange, and the inward-facing flange and the first outward-facing flange are integrated with the first skin during a co-curing process. The single-flanged spar cap includes a second outward-facing flange that is attached to the second skin. The tear strap is stitched to an inner side of the spar web along at least a portion of a length of the composite spar.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: May 11, 2021
    Assignee: THE BOEING COMPANY
    Inventors: Kim A. Linton, James P. Dobberfuhl, Jaime E. Baraja, Hsi-Yung T. Wu
  • Patent number: 10935690
    Abstract: A two-step inversion method for computing multi-layer subterranean formation properties includes processing gain compensated electromagnetic measurement quantities using a first inversion to compute a corresponding set of borehole corrected gain compensated measurement quantities. The first inversion includes a mathematical model of the tool and the borehole in a uniform, anisotropic formation. The set of borehole corrected gain compensated measurement quantities are then processed using a second inversion to compute multi-layer anisotropic formation properties. The second inversion includes a 1D inversion employing a point dipole model and a multi-layer formation model.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: March 2, 2021
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventor: Peter T. Wu
  • Publication number: 20210009811
    Abstract: A modified aluminum nitride particle comprises an aluminum nitride core and a shell surrounding the aluminum nitride core. The shell comprises a crosslinked organic polymer. Methods of making the modified aluminum nitride particle by admicellar polymerization are also disclosed.
    Type: Application
    Filed: March 19, 2019
    Publication date: January 14, 2021
    Inventors: Nathan E. Schultz, Li Yao, Tien T. Wu, Gerry A. Hoffdahl, Jimmie R. Baran, JR.
  • Publication number: 20210002137
    Abstract: A charge-modified particle comprising the inorganic core and a shell surrounding the inorganic core, wherein the shell comprises a copolymer comprising monomeric units corresponding to free-radically polymerizable monomers, and wherein at least one of the monomeric units comprises a substituted benzotriazolylphenolate salt. Methods of making the charge-modified particle by admicellar polymerization are also disclosed.
    Type: Application
    Filed: March 19, 2019
    Publication date: January 7, 2021
    Inventors: Nathan E. Schultz, Mikhail A. Belkin, Gerry A. Hoffdahl, Jimmie R. Baran, JR., Tien T. Wu