Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9266187 | Method of monitoring thermal response, force and current during resistance welding | — | 2016-02-23 |
| 4994055 | Fluid flow control apparatus | Douglas M. Spranger, Karl D. Kirk, III, Preston J. Keeler, III, Jeffrey A. Stein | 1991-02-19 |
| 4803331 | Power control and line voltage monitor/compensator for resistance spot welding machines | — | 1989-02-07 |
| 4742473 | Finite element modeling system | Joel K. Shugar | 1988-05-03 |
| 4714913 | Quadrature phase signal processor | — | 1987-12-22 |
| 4596917 | Resistance spot welder process monitor | Herman A. Nied, Stanley J. Godwin, Robert V. Klint, Hsin-Pang Wang | 1986-06-24 |
| 4461944 | System for interfacing an encoder to a microcomputer | — | 1984-07-24 |
| 4447700 | Resistance spot welder adaptive control | — | 1984-05-08 |