Heimdal Patents

Patent portfolio assigned to Heimdal (verified via public assignee records). Carbon capture/removal (originally ocean-assisted, pilot in Hawaii; later pivoted toward DAC + carbon-negative cement/materials), US (YC). Carbonfuture (Catalyst program) and Karbon-X are named partners; Karbon-X also signed an LOI to take a 20% equity stake. has_patents=true: Google Patents result WO2024003575A1 'Process for sequestration of carbon dioxide and minerals...' (PCT/GB2023/051727) carries Heimdal's described brine-mineralization process; exact assignee field not verifiable this task (Google Patents pages returned 503). patent_count_estimate left null. NOTE: distinct from 'Heimdal Security' (Danish cybersecurity firm).