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EP 4 294 591 A1

(12)

(43) Date of publication: 27.12.2023 Bulletin 2023/52 (21) Application number: 22756811.0 (22) Date of filing: 16.02.2022

(51) International Patent Classification (IPC):  B22F 12/70(2021.01) B33Y 10/00(2015.01) B33Y 40/00(2020.01) B22F 10/322(2021.01) B33Y 30/00(2015.01) B33Y 50/02(2015.01) (52) Cooperative Patent Classification (CPC): B22F 10/322; B22F 12/70; B33Y 50/02; B33Y 10/00; B33Y 30/00; B22F 10/28; B22F 12/38 (86) International application number: PCT/US2022/016550 (87) International publication number: WO 2022/177952 (25.08.2022 Gazette 2022/34)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 17.02.2021 US 202163150231 P (71) Applicant: VELO3D, Inc. Campbell, CA 95008 (US)

(72) Inventors: TRALONGO, Joseph, Andrew El Cajon, CA 92019 (US) TULUIE, Robin Steeple Aston, OX25 4SR (GB) ERATT-CAMP, Rebel-Angel Gloucester, GL4 5GZ (GB) HAAG, Nicolas Oxford, OX2 6BU (GB) BULLER, Benyamin Cupertino, CA 95014 (US) MILSHTEIN, Erel Cupertino, CA 95014 (US) MURPHREE, Zachary, Ryan San Jose, CA 95124 (US) ENDRUHN, Claus, Wemer San Rafael, CA 94903 (US) LAPPAS, Anastasios, Michail Pasadena, CA 91107 (US) BREZOCZKY, Thomas Los Gatos, CA 95030 (US) BRUDNY, Alexander San Jose, CA 95117 (US) KOREPANOV, Sergey, Borisovich Los Altos, CA 94022 (US) BOWERS, Kenji, Terata San Franciso, CA 94107 (US) MARTINSON, Robert, Michael Palo Alto, CA 94306 (US) ELGAR, Yacov Sunnyvale, CA 94087 (US) CHOUDHARI, Charudatta, Mukundrao San Jose, CA 95119 (US) ROMANO, Richard, Joseph San Jose, CA 95125 (US) (74) Representative: Haseltine Lake Kempner LLP  One Portwall Square Portwall Lane Bristol BS1 6BH Bristol BS1 6BH (GB)