Patents by Inventor Antonius Josephus Bartels

Antonius Josephus Bartels 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).

  • Fluid filter, more particularly spin-on type fluid filter
    Patent number: 6110365
    Abstract: A filter, in particular, a fluid filter of the "spin-on" type, comprising a head with an inlet space and an outlet space and with a coaxially extending connecting spigot, a housing with one open end, said housing containing an annular-cylindrical filter element and having a terminal edge that confines said open end and sealingly engages a groove provided in the body of said head and positioned coaxially around said connecting spigot, as well as an annular disc-shaped intermediate piece screwed onto said connecting spigot and supporting said filter element. An edge portion of said intermediate piece extending beyond said filter element is screwed into said housing and is provided with passage openings. Head, intermediate piece and filter housing are sealingly assembled with one single ring.
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: August 29, 2000
    Assignee: Fairey Arlon, B.V.
    Inventors: Antonius Josephus Bartels, Geurt Jan Hendrik Vleemingh