TWO OR MORE INTERNAL CASING

Brand Owner Address Description
MULTI-LOCK Patriot Research Center 9575 Katy Freeway, Ste 490 Houston TX 77024 two or more internal casing hangers sold as components of oil and gas wellhead machines;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. An exhaust gas purifier filters exhaust gas of an internal combustion engine to collect particulates in the exhaust gas. The exhaust gas purifier includes an outer casing and an inner casing, which is located in the outer casing and accommodates a filter. The inner casing is selectively attached to and detached from the outer casing.