Patents

Recent Patents

IP History & Publications

Deal-ready overview of MerPhotonics inventions and peer-reviewed validation (cross-checked with public records and professional profiles).

MerPhotonics IP timeline

Figure: Patent portfolio timeline and relations

2022 — US 11,235,423 B2 “Laser cladding method and device”.
2023 — WO 2023/214214 “Powder Production Laser Method”.
2024 — US 12,030,253 B2 “Method for producing three-dimensional objects from powders”.
Also related: EP 2156942 B1 “Selective Laser Fusion”; EA 200400718 A1 “Laser cladding and alloying”.

Patents: Highlights

US 12,030,253 B2 — 3D Objects from Powders

Multi-material, functionally graded parts via powder fraction selection and selective melting/sintering.

SLM/SLSMulti-materialFGM
  • In-part property transitions and functional zoning.
  • Recoating strategies to limit cross-contamination.
  • Supported by 2024 conference/journal outputs.

US 11,235,423 B2 — Laser Cladding Method & Device

Annular→conical beam optics; independent energy control for feed and substrate; improved bonding.

DED/CladdingBeam shapingQA
  • Reduced overheating and residual stress.
  • Stable bead geometry, better metallurgical bonding.
  • Referenced in MerPhotonics technical articles.

Selected Publications (linked to IP)

High Efficient Industrial Laser Methods for Producing Powders

World PM 2024.

  • Laser atomization reported up to 500 kg/h; ~0.5 kWh/kg.
  • Correlates with powder production method (WO 2023/214214).

Multi-Material Parts Production by Selective Laser Melting

World PM 2024.

  • Functional zoning and property gradients in AM parts.
  • Aligns with US 12,030,253 B2 concepts.

Laser Processing Innovations for Advanced Materials

Applied Optics 2024.

  • Beam shaping, thermal diagnostics, QA techniques.

New Approach to Multi‑Material Processing in SLM

Physics Procedia 2016.

  • Early multi-material SLM workflow and contamination control.
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