Patents by Inventor Lawrence Bernard Kool

Lawrence Bernard Kool 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: 11346359
    Abstract: A centrifugal pump component for an oil and gas well pump includes a substrate with an outer surface configured to contact oil and gas well fluid. The component further includes a coating formed on at least a portion of the outer surface. The coating includes a combination of hard particles and a metal matrix.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: May 31, 2022
    Assignee: Baker Hughes Oilfield Operations, LLC
    Inventors: Dennis Michael Gray, Todd Charles Curtis, Lyon Hong, Lawrence Bernard Kool
  • Publication number: 20220073762
    Abstract: An article for high temperature service is presented. The article includes a substrate and a thermal barrier coating disposed on the substrate. The thermal barrier coating includes a plurality of aluminum-based particles dispersed in an inorganic binder, wherein the aluminum-based particles are substantially spaced apart from each other via the inorganic binder such that the thermal barrier coating is substantially electrically and thermally insulating. Method of making the article is also presented.
    Type: Application
    Filed: September 21, 2021
    Publication date: March 10, 2022
    Inventors: Lawrence Bernard KOOL, Bernard Patrick BEWLAY
  • Patent number: 11254099
    Abstract: A gasification component for use in a gasification environment includes a metal-based substrate and a coating deposited on the metal-based substrate. The coating includes at least about 51% by weight of chromium in the alpha phase at an operating temperature of gasification.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: February 22, 2022
    Assignee: Air Products & Chemicals, Inc.
    Inventors: Dalong Zhong, Lawrence Bernard Kool, Boon Hing Tan
  • Patent number: 11155721
    Abstract: An article for high temperature service is presented. The article includes a substrate and a thermal barrier coating disposed on the substrate. The thermal barrier coating includes a plurality of aluminum-based particles dispersed in an inorganic binder, wherein the aluminum-based particles are substantially spaced apart from each other via the inorganic binder such that the thermal barrier coating is substantially electrically and thermally insulating. Method of making the article is also presented.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: October 26, 2021
    Assignee: General Electric Company
    Inventors: Lawrence Bernard Kool, Bernard Patrick Bewlay
  • Publication number: 20210285376
    Abstract: A gas turbine engine includes; a compressor, a combustor, and a turbine in serial flow relationship; a heat exchanger, the heat exchanger having an inlet, an outlet, and an internal surface coated with a catalyst, the heat exchanger being located upstream of the compressor; a source of hydrocarbon fuel in fluid communication with the inlet of the heat exchanger; a source of oxygen in fluid communication with the inlet of the heat exchanger; and a distribution system for receiving reformed hydrocarbon fuel from the heat exchanger.
    Type: Application
    Filed: March 16, 2021
    Publication date: September 16, 2021
    Inventors: Lawrence Bernard Kool, Brandon Flowers Powell, Narendra Digamber Joshi
  • Patent number: 11118268
    Abstract: A surface of an article is modified by aluminizing an initial surface at a first temperature to form a first aluminized layer and a sublayer, removing at least a portion of the first aluminized layer, aluminizing the sublayer at a second temperature to form a second aluminized layer, and finally removing at least a portion of the second aluminized layer to form a processed surface. The second temperature is less than the first temperature and a roughness of the processed surface is less than the roughness of the initial surface.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: September 14, 2021
    Assignee: General Electric Company
    Inventors: Wusheng Xu, Laura Cerully Dial, Lawrence Bernard Kool, Dalong Zhong, Hong Zhou
  • Publication number: 20210139160
    Abstract: A system for removing heat from an aircraft component includes: an aircraft component; a heat exchanger in proximity to the aircraft component and having an inlet, an outlet, and an internal surface coated with a catalyst; a source of hydrocarbon fuel in fluid communication with the inlet of the heat exchanger; a source of oxygen in fluid communication with the inlet of the heat exchanger; and a distribution system for receiving reformed hydrocarbon fuel from the heat exchanger.
    Type: Application
    Filed: November 12, 2019
    Publication date: May 13, 2021
    Inventors: Lawrence Bernard Kool, Narendra Digamber Joshi
  • Patent number: 10696903
    Abstract: A reactor has an inner surface accessible to the hydrocarbon and comprising a sintered product of at least one of cerium oxide, zinc oxide, tin oxide, zirconium oxide, boehmite and silicon dioxide, and a perovskite material of formula: AaBbCcDdO3-?. 0<a<1.2, G?b?1.2, 0.9<a+b?1.2, O<c<1.2, 0?d?1.2, 0.9<c+d?1.2, ?0.5<?<0.5. A is selected from calcium, strontium, barium, and any combination thereof. B is selected from lithium, sodium, potassium, rubidium, and any combination thereof. C is selected from cerium, zirconium, antimony, praseodymium, titanium, chromium, manganese, ferrum, cobalt, nickel, gallium, tin, terbium and any combination thereof.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: June 30, 2020
    Assignee: General Electric Company
    Inventors: Yanfei Gu, Wenqing Peng, Shizhong Wang, Chuan Lin, Lawrence Bernard Kool, Zhaoping Wu, Qijia Fu, Zhigang Deng
  • Patent number: 10673288
    Abstract: A method includes forming one or more oxide barrier layers on one or more protected portions of a magnetic, metallic body, and converting one or more unprotected portions of the magnetic, metallic body to a less magnetic material by exposing the magnetic metallic body having the one or more oxide barrier layers formed thereon to nitrogen. One or more protected portions of the magnetic, metallic body that are beneath the one or more oxide barrier layers are not converted to the less magnetic material. The method can be used to form one or more layers of a laminated electric motor.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: June 2, 2020
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Lawrence Bernard Kool, Min Zou, Wanming Zhang, Susan Corah, Christopher Klapper, Francis Johnson, Steve Buresh
  • Publication number: 20190382898
    Abstract: A fluid conduit (10) is provided having (a) a fluid conduit exterior surface (14); (b) a fluid conduit interior surface (16); (c) an electroless nickel protective coating (18) disposed upon one or both of the fluid conduit interior surface and the fluid conduit exterior surface; and (d) a layer (20) of Ni3S2 disposed upon and substantially covering the electroless nickel protective coating. The fluid conduit can be any fluid conduit through which a fluid may be caused to pass, such as a downhole tubular used in oil and gas production, or a gas liquid cyclonic separator. And a hydrocarbon production tube, a method of producing a fluid conduit comprising a nickel sulfide protective layer, a machine component comprising at least one surface having a protective outer layer are provided. The combination of the electroless nickel inner protective coating with an outer layer of Ni3S2 affords articles such as fluid conduits and machine components with exceptional scale and corrosion resistance.
    Type: Application
    Filed: November 30, 2016
    Publication date: December 19, 2019
    Inventors: Lawrence Bernard Kool, Xubin Gao, Hui Zhu, Limin Wang, Hai Chang, Dalong Zhong
  • Patent number: 10501839
    Abstract: A method for removing a ceramic coating from a substrate is presented. The method includes contacting the ceramic coating with a composition including a fluoride source and nitric acid. A method of forming a component having a variation in saturation magnetization is presented. The method includes masking selected portions of a surface of a metallic component using a ceramic coating to form a masked metallic component; selectively diffusing nitrogen into the metallic component by exposing the masked metallic component to a nitrogen-rich atmosphere; and removing the ceramic coating from the surface of the metallic component by contacting the ceramic coating with a composition including the fluoride source and nitric acid.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: December 10, 2019
    Assignee: General Electric Company
    Inventor: Lawrence Bernard Kool
  • Publication number: 20190316244
    Abstract: A method for removing a ceramic coating from a substrate is presented. The method includes contacting the ceramic coating with a composition including a fluoride source and nitric acid. A method of forming a component having a variation in saturation magnetization is presented. The method includes masking selected portions of a surface of a metallic component using a ceramic coating to form a masked metallic component; selectively diffusing nitrogen into the metallic component by exposing the masked metallic component to a nitrogen-rich atmosphere; and removing the ceramic coating from the surface of the metallic component by contacting the ceramic coating with a composition including the fluoride source and nitric acid.
    Type: Application
    Filed: April 11, 2018
    Publication date: October 17, 2019
    Inventor: Lawrence Bernard Kool
  • Patent number: 10407620
    Abstract: A reactor having an inner surface accessible to the hydrocarbon and providing a sintered product of at least one of cerium oxide, zinc oxide, tin oxide, zirconium oxide, boehmite and silicon dioxide, and a perovskite material of formula AaBbCcDdO3??. 0<a<1.2, 0?b?1.2, 0.9<a+b?1.2, 0<c<1.2, 0?d?1.2, 0.9<c+d?1.2, ?0.5<?<0.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: September 10, 2019
    Assignee: General Electric Company
    Inventors: Yanfei Gu, Wenqing Peng, Shizong Wang, Chuan Lin, Lawrence Bernard Kool, Zhaoping Wu, Qijia Fu, Zhigang Deng
  • Publication number: 20190169753
    Abstract: A surface of an article is modified by aluminizing an initial surface at a first temperature to form a first aluminized layer and a sublayer, removing at least a portion of the first aluminized layer, aluminizing the sublayer at a second temperature to form a second aluminized layer, and finally removing at least a portion of the second aluminized layer to form a processed surface. The second temperature is less than the first temperature and a roughness of the processed surface is less than the roughness of the initial surface.
    Type: Application
    Filed: November 30, 2018
    Publication date: June 6, 2019
    Inventors: Wusheng Xu, Laura C. Laura, Lawrence Bernard Kool, Dalong Zhong, Hong Zhou
  • Publication number: 20190169504
    Abstract: A reactor has an inner surface accessible to the hydrocarbon and comprising a sintered product of at least one of cerium oxide, zinc oxide, tin oxide, zirconium oxide, boehmite and silicon dioxide, and a perovskite material of formula : AaBbCcDd03-?. 0<a<1.2, G?b?1.2, 0.9<a+b?1.2, O<c<1.2, 0?d?1.2, 0.9<c+d?1.2, ?0.5<?<0.5. A is selected from calcium, strontium, barium, and any combination thereof. B is selected from lithium, sodium, potassium, rubidium, and any combination thereof. C is selected from cerium, zirconium, antimony, praseodymium, titanium, chromium, manganese, ferrum, cobalt, nickel, gallium, tin, terbium and any combination thereof.
    Type: Application
    Filed: February 6, 2019
    Publication date: June 6, 2019
    Inventors: Yanfei Gu, Wenqing Peng, Shizhong Wang, Chuan Lin, Lawrence Bernard Kool, Zhaoping Wu, Qijia Fu, Zhigang Deng
  • Patent number: 10301562
    Abstract: An apparatus has a surface exposable to a byproduct carbonaceous material formation environment and comprising a perovskite material having an ABO3 perovskite structure and being of formula AaBbO3-?, wherein 0.9<a?1.2; 0.9<b?1.2; ?0.5<?<0.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: May 28, 2019
    Assignee: General Electric Company
    Inventors: Shizhong Wang, Wenqing Peng, Lawrence Bernard Kool, Nan Hao, Wusheng Xu, Minghu Guo, Hong Zhou, Yanfei Gu, Zhaohui Yang
  • Publication number: 20190010338
    Abstract: An article for high temperature service is presented. The article includes a substrate and a thermal barrier coating disposed on the substrate. The thermal barrier coating includes a plurality of aluminum-based particles dispersed in an inorganic binder, wherein the aluminum-based particles are substantially spaced apart from each other via the inorganic binder such that the thermal barrier coating is substantially electrically and thermally insulating. Method of making the article is also presented.
    Type: Application
    Filed: February 7, 2018
    Publication date: January 10, 2019
    Inventors: Lawrence Bernard KOOL, Bernard Patrick BEWLAY
  • Patent number: 10138431
    Abstract: A method for cracking hydrocarbon, comprises: providing steam and hydrocarbon; and feeding steam and hydrocarbon into a reactor accessible to hydrocarbon and comprising a perovskite material of formula AaBbCcDdO3??, wherein 0<a<1.2, 0?b?1.2, 0.9<a+b?1.2, 0<c<1.2, 0?d?1.2, 0.9<c+d?1.2, ?0.5<?<0.
    Type: Grant
    Filed: October 10, 2016
    Date of Patent: November 27, 2018
    Assignee: General Electric Company
    Inventors: Shizhong Wang, Wenqing Peng, Qijia Fu, Zhigang Deng, Zhaoping Wu, Chuan Lin, Yanfei Gu, Xiao Zhang, Lawrence Bernard Kool
  • Patent number: 10138434
    Abstract: A surface treatment method includes: contacting a substrate with a treatment material, the substrate comprising a metallic element, the treatment material comprising an alkaline earth metal element, an alkali metal element, or any combination thereof; and forming on the substrate a surface layer comprising a first oxide of the alkaline earth metal element, the alkali metal element, or any combination thereof and a second oxide of the metallic element. A device has: a substrate layer comprising a metallic element; and a surface layer comprising a first oxide of an alkaline earth metal element, an alkali metal element, or any combination thereof, and a second oxide of the metallic element.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: November 27, 2018
    Assignee: General Electric Company
    Inventors: Shizhong Wang, Wenqing Peng, Lawrence Bernard Kool, Nan Hao, Wusheng Xu, Minghu Guo, Hong Zhou, Yanfei Gu, Zhaohui Yang
  • Publication number: 20180183279
    Abstract: A method includes forming one or more oxide barrier layers on one or more protected portions of a magnetic, metallic body, and converting one or more unprotected portions of the magnetic, metallic body to a less magnetic material by exposing the magnetic metallic body having the one or more oxide barrier layers formed thereon to nitrogen. One or more protected portions of the magnetic, metallic body that are beneath the one or more oxide barrier layers are not converted to the less magnetic material. The method can be used to form one or more layers of a laminated electric motor.
    Type: Application
    Filed: February 13, 2018
    Publication date: June 28, 2018
    Inventors: Lawrence Bernard Kool, Min Zou, Wanming Zhang, Susan Corah, Christopher Klapper, Francis Johnson, Steve Buresh