Patents by Inventor Ayan Bhowmik

Ayan Bhowmik 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).

  • METHOD OF SPRAY COATING
    Publication number: 20200216965
    Abstract: A method of spray coating a substrate is disclosed, the method comprising: a step of spray coating metal particles onto a substrate; and a step of induction heating the coating; wherein the step of induction heating comprises performing the induction heating in a vacuum.
    Type: Application
    Filed: December 19, 2019
    Publication date: July 9, 2020
    Applicant: ROLLS-ROYCE plc
    Inventors: Iulian MARINESCU, Erjia LIU, Ayan BHOWMIK, Adrian W. TAN, Feng LI, Wen SUN
  • CHROMIUM ALLOY
    Publication number: 20130121823
    Abstract: A hypereutectic chromium alloy consisting of 9 to 12 at % tantalum, 4 to 15 at % silicon, 0 to 7 at % molybdenum, 0 to 7 at % aluminium, 0 to 7 at % titanium, 0 to 5 at % rhenium, 0 to 2 at % silver, 0 to 2 at % hafnium, 0 to 2 at % lanthanum, 0 to 2 at % cerium, 0 to 2 at % yttrium and the balance chromium and incidental impurities. The hypereutectic chromium alloy has good oxidation resistance and good fracture toughness. The chromium alloy may be used to make gas turbine engine turbine blades, turbine vanes, turbine seals, combustion chamber tiles, exhaust nozzle segments or steam turbine components.
    Type: Application
    Filed: November 16, 2011
    Publication date: May 16, 2013
    Applicant: ROLLS-ROYCE PLC
    Inventors: Ayan BHOWMIK, Howard J. STONE, Ian M. EDMONDS
  • Chromium alloy
    Patent number: 8425836
    Abstract: A hypereutectic chromium alloy consisting of 9 to 12 at % tantalum, 4 to 15 at % silicon, 0 to 7 at % molybdenum, 0 to 7 at % aluminum, 0 to 7 at % titanium, 0 to 5 at % rhenium, 0 to 2 at % silver, 0 to 2 at % hafnium, 0 to 2 at % lanthanum, 0 to 2 at % cerium, 0 to 2 at % yttrium and the balance chromium and incidental impurities. The hypereutectic chromium alloy has good oxidation resistance and good fracture toughness. The chromium alloy may be used to make gas turbine engine turbine blades, turbine vanes, turbine seals, combustion chamber tiles, exhaust nozzle segments or steam turbine components.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: April 23, 2013
    Assignee: Rolls-Royce PLC
    Inventors: Ayan Bhowmik, Howard J. Stone, Ian M. Edmonds