Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12260990 | Battery-ultracapacitor stud welder | — | 2025-03-25 |
| 11534849 | Light weight cordless stud welder | Scott J. Schraff, Larry L. Church, Stephen D. Brooks | 2022-12-27 |
| 10906122 | Portable drawn arc stud welder including a lithium ferrophosphate battery | Scott J. Schraff, Stephen D. Brooks | 2021-02-02 |
| 10894296 | Light weight cordless stud welder | Scott J. Schraff, Larry L. Church, Stephen D. Brooks | 2021-01-19 |
| 10265796 | Adaptively controlled short circuiting drawn-arc fastener welding | Christopher Hsu, James W. Mumaw | 2019-04-23 |
| 8513569 | Arc energy regulation in drawn arc fastener welding process | Christopher Hsu | 2013-08-20 |
| 8410399 | Capacitor charge and discharge circuit for fastener welding | Christopher Hsu, Larry L. Church | 2013-04-02 |