How to Precisely Control Solid-State 3D Printing for Stronger Materials
This patent describes a system for precisely controlling solid-state additive manufacturing, allowing real-time adjustments to create specific material structures without melting, using continuous material feeds.
Original patent title: “Process control systems and methods using a solid-state additive manufacturing system and continuous feeding systems and structures”
This patent describes a system for precisely controlling solid-state additive manufacturing, allowing real-time adjustments to create specific material structures without melting, using continuous material feeds. Owned by Meld Manufacturing with 23 claims and 9 forward citations, and it is expected to expire in 2043.
Coverage
What does this patent actually cover?
The patent describes a system for controlling solid-state additive manufacturing, a type of 3D printing that joins materials without melting them. The system uses a feeding mechanism to supply solid material (like wire, powder, or pellets, as in claimsclaimsThe numbered statements at the end of a patent that legally define what the inventor owns.Read more → 25-30) to a tool. This tool then prints the material onto a workpiece while applying a downward force, causing the material to "plasticly deform" (claimclaimA numbered sentence at the end of a patent that legally defines what the inventor owns. The most important section.Read more → 24). A controller monitors and adjusts process variables, such as the downward force (using measurements like interface temperature or tooling torque, claims 32-33) and filler flow rate (claim 31). This precise control allows the system to create specific internal structures, like honeycomb or sandwich patterns (claim 36), within the printed material. For example, an engineer could program the system to build a part with a specific internal strength by continuously adjusting the pressure and material flow based on real-time sensor data.
The gap
What does this patent NOT cover?
- Additive manufacturing processes that involve melting the filler material (e.g., traditional FDM, laser powder bed fusion).
- Systems that do not continuously feed solid filler material to the tooling.
- Control systems that do not specifically adjust downward force based on a measured process variable from the tooling.
- Systems that do not aim to control the "microstructure" of the printed material.
- Additive manufacturing where the material is not "plasticly deformed" during printing.
These exclusions are unique to PatentBrief — derived from the actual claim language, not patent-office boilerplate.
Key facts
What made this novel
The noveltynoveltyThe requirement that an invention be different from anything publicly known before its priority date.Read more → lies in the real-time, closed-loop control system that precisely adjusts multiple process variables, like downward force and material flow, to achieve a specific internal microstructure in solid-state additive manufacturing. This allows for fine-tuning material properties during the build process, rather than relying on pre-set parameters.
The Patent Drawing

Schematic visualization of the patent's claim structure. Hand-drawn diagrams in progress for each landmark patent.
Where you've seen this
Real-world examples
MELD Manufacturing's solid-state additive manufacturing machines
Repairing large metal components
Building lightweight aerospace structures
Creating custom industrial tooling
Manufacturing parts from difficult-to-weld alloys
Why it matters
The bigger picture
Precisely controlling the printing process in solid-state additive manufacturing is crucial for creating parts with desired strength and properties. This technology can produce complex geometries and join dissimilar materials, which is valuable for industries needing high-performance components. The ability to control microstructure in real-time can lead to more reliable and optimized parts.
Filed
May 8, 2023
Market context
Who's building on this
Companies in this space
Meld Manufacturing, the assigneeassigneeThe entity that owns the patent — usually the inventor's employer or a company.Read more →, is actively developing and commercializing solid-state additive manufacturing systems. Other companies in the broader additive manufacturing space, particularly those focused on metal printing and repair, are also exploring advanced process control techniques.
Market impact
This patent contributes to the advancement of solid-state additive manufacturing, a technology that offers advantages over traditional welding and fusion-based 3D printing for certain applications. By enabling precise control over material properties and microstructure, it can expand the range of materials that can be processed and improve the performance and reliability of manufactured parts, potentially opening new markets for high-strength, lightweight components.
Claim 1 — Plain English
What this patent covers
The patent describes a system for controlling solid-state additive manufacturing, a type of 3D printing that joins materials without melting them. The system uses a feeding mechanism to supply solid material (like wire, powder, or pellets, as in claims 25-30) to a tool. This tool then prints the material onto a workpiece while applying a downward force, causing the material to "plasticly deform" (claim 24). A controller monitors and adjusts process variables, such as the downward force (using measurements like interface temperature or tooling torque, claims 32-33) and filler flow rate (claim 31). This precise control allows the system to create specific internal structures, like honeycomb or sandwich patterns (claim 36), within the printed material. For example, an engineer could program the system to build a part with a specific internal strength by continuously adjusting the pressure and material flow based on real-time sensor data.
The clever bit
The novelty lies in the real-time, closed-loop control system that precisely adjusts multiple process variables, like downward force and material flow, to achieve a specific internal microstructure in solid-state additive manufacturing. This allows for fine-tuning material properties during the build process, rather than relying on pre-set parameters.
What it does not cover
- Additive manufacturing processes that involve melting the filler material (e.g., traditional FDM, laser powder bed fusion).
- Systems that do not continuously feed solid filler material to the tooling.
- Control systems that do not specifically adjust downward force based on a measured process variable from the tooling.
- Systems that do not aim to control the "microstructure" of the printed material.
- Additive manufacturing where the material is not "plasticly deformed" during printing.
Patent timeline
Application submitted to the patent office
Patent enters public domain
PatentBrief Score
Impact Score
Early stage
Citation count
20/40
Early citations
Claim breadth
15/20
Broad claimsclaimsThe numbered statements at the end of a patent that legally define what the inventor owns.Read more →
Recency
0/20
Older than 20 years
Assignee scale
0/20
Independent or smaller assigneeassigneeThe entity that owns the patent — usually the inventor's employer or a company.Read more →
PatentBrief Impact Score — based on citation count, claim breadth, recency, and assignee scale. Not a legal assessment.
Heuristic Value Estimate
What this patent might be worth
$56K – $180K
Midpoint $112K · 16.7 yr remaining · industry ×0.9
Heuristic only — blends forward/backward citation counts, claim scope, time remaining, litigation history, and CPC-derived industry baseline. Real valuations need a professional appraisal.
Claim text not yet imported for this patent
The original legal language
Original claims
23 claims as filed with the patent office.
Concepts involved
Citations
Patent lineage
Cite this patent
Garguilo, C., Broach, A. T., Cox, C., Hardwick, N., & Lalande, F. How to Precisely Control Solid-State 3D Printing for Stronger Materials (U.S. Patent No. 20,240,109,245). U.S. Patent and Trademark Office. https://patentbrief.org/patent/us/20240109245/process-control-systems-and-methods-using-a-solid-state-additive-manufacturing-s
Auto-generated from the patent record. Double-check author order and the issue date against the official USPTO document before submitting.
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Common Questions
Frequently Asked Questions
What does How to Precisely Control Solid-State 3D Printing for Stronger Materials cover?
This patent describes a system for precisely controlling solid-state additive manufacturing, allowing real-time adjustments to create specific material structures without melting, using continuous material feeds.
Who owns patent US 20240109245?
This patent is owned by Meld Manufacturing.
When does this patent expire?
This patent is expected to expire on May 8, 2043, when the invention enters the public domain.
What is patent US 20240109245 cited by?
This patent has been cited by 9 later patents that build on its ideas.
What problem does this patent solve?
Precisely controlling the printing process in solid-state additive manufacturing is crucial for creating parts with desired strength and properties. This technology can produce complex geometries and join dissimilar materials, which is valuable for industries needing high-performance components. The ability to control microstructure in real-time can lead to more reliable and optimized parts.
What does this patent NOT cover?
Additive manufacturing processes that involve melting the filler material (e.g., traditional FDM, laser powder bed fusion).
Same assignee
More from Meld Manufacturing
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