Ann: Successful Manufacture of Gas Turbine Engine, page-8

A3D getting some press for this - see attached Google search.

I could only find a few articles on fully 3D printed small gas turbine by PTC - dated May 2023, Israeli tech research 2023 & Sierra turbine - 2020, I imagine there are many more SO doesn't look 'novel and/or new so unless they have somehow re-invested some part of the design and/or manufacturing process, not looking good for a patent.

All the same, with all the interest in drones ATM, it will be interesting to see where this goes.

Israeli tech research June 2023 - https://3dprintingindustry.com/news/interview-prof-beni-cukurel-3d-printed-jet-engines-a-micro-gas-turbine-revolution-and-the-future-of-energy-222847/#google_vignette

PTC https://www.ptc.com/en/blogs/corporate/first-fully-3d-printed-jet-engine-additive-manufacturing-breakthrough

PTC https://www.forbes.com/sites/carolynschwaar/2023/06/08/this-3d-printed-microturbine-engine-is-designed-to-do-more-than-fly/?sh=4be91cd33b3f

Sierra https://3dprinting.com/metal/sierra-turbines-3d-prints-microturbines-that-are-40-more-efficient/

https://www.google.com/search?q=3d+additive+manufactured+small+gas+turbine+200n&sca_esv=3d5aec0ebbda9031&rlz=1C1CHZN_enNZ947NZ947&ei=L28UZuK4JqPn4-EPtNSCuAI&ved=0ahUKEwiijMLs1LOFAxWj8zgGHTSqACcQ4dUDCBA&uact=5&oq=3d+additive+manufactured+small+gas+turbine+200n&gs_lp=Egxnd3Mtd2l6LXNlcnAiLzNkIGFkZGl0aXZlIG1hbnVmYWN0dXJlZCBzbWFsbCBnYXMgdHVyYmluZSAyMDBuMggQABiABBiiBEiqXFDtDFi_VHAAeACQAQCYAawCoAHfIaoBCDAuNi4xMy4xuAEDyAEA-AEBmAIGoALcCcICCxAAGIkFGKIEGLADwgIIEAAYiQUYogTCAgYQIRgKGAqYAwCIBgGQBgKSBwUwLjMuM6AHyys&sclient=gws-wiz-serp#ip=1