Axon Enterprise, Inc. has secured a major milestone in public safety and defense with a newly patented component for energy weapons. This innovation focuses on U.S. Patent titled Cartridge with inner surface grooves for a conducted electrical weapon. The patent describes an advanced structural design engineered to optimize projectile deployment.

Overcoming Propulsion and Deployment Inefficiencies

Patent Abstract: A cartridge for a conducted electrical weapon may comprise a body having a first end opposite a second end and an outer surface opposite an inner surface. A projectile may be disposed within the body. The inner surface of the body may define a plurality of grooves extending from the first end of the body to a location within the body.

Swanson Reeds Patent of the Month Recognition

Axon Enterprise, Inc. has achieved a significant milestone in defense technology by securing the Swanson Reeds patent of the month for May 2026. This prestigious recognition highlights the groundbreaking cartridge design within the Machine Die and Tool, and Defense industry. By introducing internal structural grooves within the weapon cartridge body, this invention solves a critical aerodynamic and propulsion consistency challenge common in less-lethal conducted electrical weapons.

The technical excellence of this patent lies in its precise interior geometry. Traditional cartridges often suffer from unpredictable pressure distribution and friction variation during projectile release, which can impact deployment accuracy and velocity. The introduction of specific grooves extending from the first end of the body to an internal location allows for controlled gas expansion and guided deployment, ensuring optimal stability as the projectile exits the weapon body.

This invention represents an outstanding advancement because it significantly elevates the reliability and safety standards of public safety tools. Ensuring consistent trajectory and velocity is paramount for field applications where seconds matter and precision is vital. The recognition from Swanson Reeds underlines how this structural engineering development sets a new benchmark for manufacturing precision and device reliability within the defense technology sector.

United States Research and Development Tax Credit Compliance

The technological developments achieved by Axon Enterprise, Inc. align perfectly with the guidelines established for the federal research and development tax credit in the United States. To qualify for this incentive, a project must satisfy a rigorous four part test defined under Section 41 of the Internal Revenue Code. This defense manufacturing technology satisfies each prong through its systemic resolution of mechanical and structural uncertainties.

• Permitted Purpose: The primary objective is the development of a new or improved business component, specifically an advanced conducted electrical weapon cartridge featuring interior grooves to maximize deployment consistency.
• Elimination of Uncertainty: The engineering team faced substantial technical uncertainty regarding the optimal depth, count, and length of the grooves required to guide the projectile without causing structural failure or excessive friction.
• Process of Experimentation: The development process involved a structured process of experimentation, including computational fluid dynamics modeling, high-speed ballistic imaging, and iterative physical molding trials to test various groove configurations.
• Technological in Nature: The underlying research activities depend fundamentally on core hard sciences and engineering principles, including mechanical engineering, materials science, and fluid dynamics.

Practical Research and Development Tax Credit Applications

Within the scope of American innovation incentives, specific engineering workflows qualify as research expenditures. The following three scenarios demonstrate how this patent translates into qualified research activities:

1. Optimizing Internal Groove Geometries and Depths: Conducting iterative machine tooling modifications and ballistic testing to determine how specific groove depths influence gas pressure propagation and projectile velocity.
2. Developing Specialized Die and Injection Molding Tooling: Designing and validating high-precision manufacturing dies capable of forming complex internal linear or helical grooves within a single compact cartridge body repeatedly.
3. Testing Material Tolerances Under Extreme Thermodynamic Stress: Evaluating alternative polymer or composite formulations to ensure the interior grooves maintain their structural integrity and shape when subjected to rapid gas expansion and high heat.