Swirltex Patents

Patent portfolio assigned to Swirltex (verified via public assignee records). Calgary, Canada cleantech; patented Buoyancy-Enhanced Membrane Filtration (BEMF) for wastewater/produced-water treatment. Company repeatedly states 'patented technology' on its own site (technology page) so has_patents=true, though specific assignee patent number not pulled from Google Patents this session (count left 0/unknown). Named customer: ARC Resources ($3M produced-water project); Eximius partner. No direct competitors named in sources.