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Patent Portfolio
Issued U.S. patents and pending applications:
Issued Patents
Launch acceleration system
Patent Number: US12504253B2
Status: Issued
Issue Date: December 23, 2025
Assignee: Applied Physics, Inc.
Inventors: Gianni Martire, David M. Wirth
Summary: Advanced electromagnetic propulsion system incorporating novel coil design and control systems for enhanced performance in defense and aerospace applications.
Matrix-Controlled Printhead Grid Control for Electrochemical Additive Manufacturing
Patent Number: US11313035B2
Status: Issued
Issue Date: April 26, 2022
Assignee: Fabric8Labs, Inc.
Inventors: David Pain, Andrew Edmonds, Jeffrey Herman, Charles Pateros, David M. Wirth
Summary: Matrix control system for electrochemical additive manufacturing printheads utilizing row and column drivers to control thousands or millions of individually-addressable anodes for high-resolution metal deposition.
Electrochemical Layer Deposition by Controllable Anode Array
Patent Number: US10975485B2
Status: Issued
Issue Date: April 13, 2021
Assignee: Fabric8Labs, Inc.
Inventors: David F. Pain, David M. Wirth, Jeffrey W. Herman
Summary: Methods and systems for electrochemical additive manufacturing using controllable anode arrays to deposit metal layers with precise control of deposition location, uniformity, and morphology.
Clamped Quasi-Resonant Step-up Inverter
Patent Number: US10811995B2
Status: Issued
Issue Date: October 20, 2020
Assignee: Arcflash Labs, Inc.
Inventor: David M. Wirth
Summary: High-efficiency power electronics system that generates stable high-voltage DC or AC output from low-voltage DC input through self-oscillation. Features automatic voltage regulation, dead-short operation capability, and high power density. This technology enables the development of handheld electromagnetic weapons including the GR-1 Anvil Gauss rifle, capable of firing up to 20 rounds per minute at full power.
Key Innovation: Exploits the voltage coefficient of capacitance (ΔVC) in Class II dielectric MLCCs to automatically adjust oscillation frequency, preventing transformer saturation while maintaining stable output voltage across varying loads.
Applications: Battery-to-grid inverters, portable welding devices, medical devices, electromagnetic propulsion systems, defense applications
Matrix-Controlled Printhead for Electrochemical Additive Manufacturing System
Patent Number: US10724146B1
Status: Issued
Issue Date: July 28, 2020
Assignee: Fabric8Labs, Inc.
Inventors: David Pain, Andrew Edmonds, Jeffrey Herman, Charles Pateros, David M. Wirth
Summary: Printhead design optimized for high current density electrodeposition (exceeding 1000 mA/cm²) with enhanced anode longevity through enlarged anode structures and lengthened conductive paths.
Apparatus for Electrochemical Additive Manufacturing
Patent Number: US10465307B2
Status: Issued
Issue Date: November 5, 2019
Assignee: Fabric8Labs, Inc.
Inventors: David F. Pain, David M. Wirth, Jeffrey W. Herman
Summary: Complete apparatus design for stereo-electrochemical deposition featuring an array of anodes, cathode, positioning system, fluid handling for electrolytic solution, and control circuitry for fabricating metal structures through layer-by-layer electrochemical deposition.
Three Dimensional Additive Manufacturing of Metal Objects by Stereo-Electrochemical Deposition
Patent Number: US9777385B2
Status: Issued
Issue Date: October 3, 2017
Assignee: Fabric8Labs, Inc.
Inventors: David M. Wirth, David F. Pain, Jeffrey W. Herman
Summary: Foundational patent for the Stereo-Electrochemical Deposition (SED) process – a revolutionary non-thermal metal additive manufacturing technique. This invention combines stereolithography principles with electrochemical deposition to create dense metal parts with micron-scale resolution at room temperature, eliminating the need for post-processing.
Significance: This groundbreaking invention led to the formation of Fabric8Labs, Inc., which secured $74M in funding from Mark Cuban, Asimov Ventures, and Intel Ventures. The technology was recognized by the White House Office of Science and Technology Policy in 2016 and earned Forbes 30 Under 30 recognition in 2018.
Active Patent Applications
Matrix-Controlled Printhead for Electrochemical Additive Manufacturing System
Application Number: US20250059664A1
Status: Published Application (Pending)
Publication Date: February 20, 2025
Filing Date: November 5, 2024
Assignee: Fabric8Labs, Inc.
Inventors: David Pain, Andrew Edmonds, Jeffrey Herman, Charles Pateros, Kareemullah Shaik, David Wirth
Summary: Latest generation printhead utilizing matrix control to support grids with thousands or millions of anodes. Optimized for current densities exceeding 1000 mA/cm², significantly higher than display backplane technologies. Features enhanced anode longevity through enlarged anode structures relative to grid pitch.
Proton Torch with In-Situ Gas Generator Module
Application Number: US20250267782A1
Status: Published Application (Pending)
Publication Date: August 21, 2025
Filing Date: February 20, 2024
Assignee: Arcflash Labs, Inc.
Inventors: David M. Wirth
Summary: A self-contained welding and cutting system based on 1920’s Atomic Hydrogen welding incorporating modern features such as an in-situ gas generator, CQR high density power supply, lithium batteries, and a modern co-axial torch design.
Spin Stabilization of Projectiles Accelerated by Electromagnetic Force
Application Number: US20250264296A1
Status: Published Application (Pending)
Publication Date: August 21, 2025
Filing Date: February 20, 2024
Assignee: Arcflash Labs, Inc.
Inventors: David M. Wirth
Summary: A demonstrated method for electromagnetically spin-stabilizing projectiles fired from electromagnetic accelerators.
Apparatus for Electrochemical Additive Manufacturing (Continuation)
Application Number: US20250043453A1
Status: Published Application (Pending)
Filing Date: July 23, 2024
Publication Date: February 6, 2025
Assignee: Fabric8Labs, Inc.
Inventors: David F. Pain, David M. Wirth, Jeffrey W. Herman
Summary: Continuation application covering further developments in apparatus design for electrochemical additive manufacturing systems, building on the foundational US10465307B2 patent.
Dynamic Electrolyte Management for Electrochemical Additive Manufacturing
Application Number: US20240246299
Status: Published Application (Pending)
Publication Date: July 25, 2024
Filing Date: February 23, 2023
Assignee: Fabric8Labs, Inc.
Inventors: David F. Pain, David M. Wirth, Jeffrey W. Herman
Summary: Advanced methods for dynamically changing electrolyte solution characteristics during continuous operation to remove deposition byproducts, replenish consumed components, and modify deposited material properties (composition, morphology) without major system changeovers.
Reactor for Layer Deposition by Controllable Anode Array
Patent Number: US20220081792A1
Status: Published Application
Publication Date: March 17, 2022
Assignee: Fabric8Labs, Inc.
Inventors: David F. Pain, David M. Wirth, Jeffrey W. Herman
Summary: Advanced reactor design for electrochemical additive manufacturing systems featuring controllable anode arrays for precise metal deposition control.
Technology Impact
