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(11)

EP 4 824 523 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24901864.9 (22) Date of filing: 12.12.2024

(51) International Patent Classification (IPC):  G01M 17/02(2006.01) G01B 21/20(2006.01) G01B 11/245(2006.01) G01B 21/30(2006.01) (52) Cooperative Patent Classification (CPC): G01M 17/02; G01B 11/2522 (86) International application number: PCT/CA2024/051657 (87) International publication number: WO 2025/123140 (19.06.2025 Gazette 2025/25)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 16.12.2023 US 202363611148 P (71) Applicant: 3DM Devices Inc. Aldergrove, British Columbia V4W 2Z6 (CA)	(72) Inventors: KEIGHTLEY, John Howard Abbotsford, British Columbia V4X 1H7 (CA) GRIM, Bryan Sioux Falls, South Dakota 57106 (US) OSORIO, Juan Gabriel Garcia Surrey, British Columbia V4N 0W7 (CA) KEIGHTLEY, Colin Aldergrove, British Columbia V4W 4A7 (CA) (74) Representative: Puchberger & Partner Patentanwälte  Reichsratsstraße 13 1010 Wien 1010 Wien (AT)