Patents by Inventor Selassie DORVLO

Selassie DORVLO 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: 20230015763
    Abstract: The invention relates to a tip plate for a bushing for receiving a high temperature melt, which tip plate comprises several sections of different type, while the invention further includes a corresponding bushing to produce glass fibres.
    Type: Application
    Filed: December 20, 2019
    Publication date: January 19, 2023
    Applicant: Cookson Precious Metals Ltd.
    Inventors: Thilo Becker, Thomas Gries, Ian Campbell, Selassie Dorvlo
  • Publication number: 20210355567
    Abstract: A process line tool of a cemented carbide comprising in wt %; about 2.9-11 Ni; about 0.1-2.5 Cr3C2; and about 0.1-1 Mo; and a balance of WC, with an average WC grain size less than or equal to 0.5 ?m.
    Type: Application
    Filed: July 30, 2021
    Publication date: November 18, 2021
    Inventors: Selassie DORVLO, Stephen HEWITT
  • Publication number: 20190330719
    Abstract: A process line tool of a cemented carbide comprising in wt %; about 2.9-11 Ni; about 0.1-2.5 Cr3 C2; and about 0.1-1 Mo; and a balance of WC, with an average WC grain size less than or equal to 0.5 ?m.
    Type: Application
    Filed: June 20, 2017
    Publication date: October 31, 2019
    Applicant: Sandvik Hyperion AB
    Inventors: Selassie DORVLO, Stephen HEWITT
  • Publication number: 20180002783
    Abstract: A cemented carbide for a flow component for controlling the pressure and flow of well products includes in wt %: about 7 to about 9 Co; about 5 to about 7 Ni; about 19 to about 24 Ti C; about 1.5 to about 2.5 Cr3C2; about 0.1 to about 0.3 Mo and balance of WC. A cemented carbide for fluid handling components and seal ring a comprises in wt %: about 1 to about 30 Ti C; about 12 to about 20 Co+Ni; about 0.5 to about 2.5 Cr; about 0.1 to about 0.3 Mo and balance of WC. A cemented carbide for fluid handling components and seal ring a comprises in wt %: about 15 to about 30 Ti C; about 5 to about 20 Ni; about 0.5 to about 2. Cr; about 0.5 to about 2.5 Mo and balance of WC.
    Type: Application
    Filed: December 28, 2015
    Publication date: January 4, 2018
    Inventors: Selassie DORVLO, Milena MECH, Henrik NORDENSTROM, Eugene KEOWN, Michael CARPENTER, Jane SMITH
  • Publication number: 20170369973
    Abstract: A cemented carbide for fluid handling components or a seal ring has a composition in wt %; about 7-11 Ni; about 0.5-2.5 Cr3C2; and about 0.5-1 Mo; and a balance of WC, with an average WC grain size greater than or equal to 4 ?m.
    Type: Application
    Filed: December 28, 2015
    Publication date: December 28, 2017
    Inventors: Selassie DORVLO, Milena MECH, Henrik NORDENSTROM