Martinus Hermanus Wilhelmus Maria Van Delden

11 Patents

• US123924732025

  Lighting Device Having a Non-uniform Volumetric Diffuser with Open And/or Closed Cells

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• US123492562025

  Dapple Lighting

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• US122884822025

  Retractable Lighting Fixture

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• US121466362024

  Artificial Skylight

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• US121440762024

  Immersive Outdoor Lighting Emulation

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• US120965322024

  Immersive Outdoor Lighting Emulation

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• US120720672024

  Lighting Device, Luminaire and Lighting Device Assembly Method

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• US120354402024

  Immersive Outdoor Lighting Emulation

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• US120130902024

  Lighting Device for Providing a Natural Lighting Effect

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• US120005632024

  Lighting System and Artificial Window

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• US119471542024

  Luminaire and Lighting System

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