Patents by Inventor David John Owens

David John Owens 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).

  • Poppet-style valve arrangements
    Patent number: 11988288
    Abstract: A seat carrier subassembly for a valve includes an annular seat carrier body including an annular projection extending radially into a central passage, and an annular plastic seal ring over-molded onto the annular projection, with the annular plastic seal ring defining a seat seal.
    Type: Grant
    Filed: April 25, 2022
    Date of Patent: May 21, 2024
    Assignee: SWAGELOK COMPANY
    Inventors: David John Owen Parkes, Barry Cannell Irvine, Graham Harwood Stephenson, Charles Kneen Bregazzi
  • POPPET-STYLE VALVE ARRANGEMENTS
    Publication number: 20220341496
    Abstract: A seat carrier subassembly for a valve includes an annular seat carrier body including an annular projection extending radially into a central passage, and an annular plastic seal ring over-molded onto the annular projection, with the annular plastic seal ring defining a seat seal.
    Type: Application
    Filed: April 25, 2022
    Publication date: October 27, 2022
    Inventors: David John Owen Parkes, Barry Cannell Irvine, Graham Harwood Stephenson, Charles Kneen Bregazzi
  • WATER TREATMENT CARTRIDGES
    Publication number: 20100108581
    Abstract: A water treatment cartridge comprises an additive channel arranged so that only some of the water passing through the cartridge passes through it. The additive channel comprises means for automatically releasing an additive into the water in the channel. The additive channel is arranged to control the additive dose. The cartridge may also contain a water treatment or filter medium.
    Type: Application
    Filed: April 18, 2008
    Publication date: May 6, 2010
    Applicant: STRIX LIMITED
    Inventors: Simon Richard Johnston, David John Owen Parkes
  • Gun light
    Patent number: D510402
    Type: Grant
    Filed: February 2, 2004
    Date of Patent: October 4, 2005
    Assignee: Deben Group Industries Limited
    Inventor: David John Owens