Granted United States Patents

Switchyard beam routing of patterned light for additive manufacturing

 

U.S. Patent 11,014,302 | Granted: May 25th, 2021 | First Inventor: DeMuth,  et al. 

A method and an apparatus for additive manufacturing pertaining to efficiently pattern a high fluence energy beam and steer it onto a print bed. 

Chamber systems for additive manufacturing 

U.S. Patent 10,967,566  | Granted: April 6th, 2021 | First Inventor: DeMuth,  et al.

An apparatus and a method for powder bed fusion additive manufacturing involve a multiple-chamber designs allowing for concurrent printing of one or more print jobs, achieving a high print efficiency and throughput.  

 

Polarization combining system in additive manufacturing 

U.S. Patent 10,960,466 | Granted: March 30th, 2021 | First Inventor: DeMuth,  et al. 

A method and an apparatus pertaining to polarization combining in additive manufacturing in which one or more polarized patterned beams can be combined to enable high speed area printing with high resolution and speed.

Light recycling for additive manufacturing optimization 

U.S. Patent 10,960,465 | Granted: March 30th, 2021 | First Inventor: DeMuth,  et al. 

A method and an apparatus pertaining to recycling and reuse of unwanted light in additive manufacturing in which multiple beams of light can be multiplexed, split, and recombined from one or more light sources. This method allows for increased energy efficiency and can lead to increased print speed.

Long and high-resolution structures formed by additive manufacturing techniques  

U.S. Patent 10,870,150 | Granted: December 22nd, 2020 | First Inventor: DeMuth,  et al. 

A method of additive manufacture suitable for large and high-resolution structures is disclosed. 

Chamber systems for additive manufacturing 

U.S. Patent 10,843,266 | Granted: November 24th, 2020 | First Inventor: DeMuth,  et al. 

A method of additive manufacture is disclosed in which compartmentalization of printer components are envisioned.

Enclosed additive manufacturing system 

U.S. Patent 10,843,265 | Granted: November 24th, 2020 | First Inventor: DeMuth,  et al. 

A method of additive manufacture is disclosed in which multiple print chambers share a common laser engine and in which different environments/materials can each be uniquely processed.

Additive manufacturing system and method 

U.S. Patent 10,596,626 | Granted: March 24th, 2020 | First Inventor: DeMuth,  et al. 

An additive manufacturing system including a two-dimensional energy patterning system for area printing a powder bed is disclosed. Disclosure includes improved structure formation, part creation and manipulation, use of multiple additive manufacturing systems, and high throughput manufacturing methods suitable for automated or semi-automated factories.

Multi-functional ingester system for additive manufacturing 

U.S. Patent 10,583,484 | Granted: March 10th, 2020 | First Inventor: DeMuth,  et al. 

A method and an apparatus for collecting powder samples in real-time in powder bed fusion additive manufacturing and which may involve an ingester system for in-process collection and characterizations of powder samples.

Additive manufacturing system and method 

U.S. Patent 10,518,328 | Granted: December 19th, 2019 | First Inventor: DeMuth,  et al. 

An additive manufacturing system including a two-dimensional energy patterning system for area printing a powder bed is disclosed. Disclosed systems include beam combining, beam steering, and both patterned and unpatterned beam recycling and re-use.