Patents by Inventor Mark Adrian Serejko

Mark Adrian Serejko 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).

  • VALVE GUARD ASSEMBLY
    Publication number: 20090038691
    Abstract: A valve guard assembly for a gas cylinder has a mounting collar 2 which is adapted to fit around and to engage the neck of the gas cylinder. The mounting collar 2 has an outer surface 6 in which there is an endless first coupling member in the form of a circumferential slot 8. A valve guard 10 has an integral coupling ring 12 with a second coupling member in the form of an endless inward projection 14 engageable with the circumferential slot 8. A means for acting against disengagement of the first and second coupling members is provided. This means takes the form of a locking band 30.
    Type: Application
    Filed: September 13, 2006
    Publication date: February 12, 2009
    Inventors: David William Birch, Andrew Neil Johnson, Mark Adrian Serejko
  • Valve guard for a gas cylinder
    Patent number: D576542
    Type: Grant
    Filed: April 7, 2006
    Date of Patent: September 9, 2008
    Assignee: The BOC Group plc
    Inventors: Andrew Neil Johnson, Mark Adrian Serejko