Showing 1–21 of 21 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | William R. Frank | Ipsco Enterprises | 2 |
| 1 | Gregory S. Wilson | Hypertherm | 2 |
| 1 | Paula Freyer | Siemens Westinghouse Power | 2 |
| #4 | Thomas Grassl | Giesecke & Devrient Gmbh | 1 |
| #4 | John Crunick | Sigma Instruments Holdings | 1 |
| #4 | Christopher George Stewart | Joy Global Underground Mining | 1 |
| #4 | Bahri Ozturk | Honeywell | 1 |
| #4 | Marco Scharmann | Veka Ag | 1 |
| #4 | Pauline M. Grodecki | — | 1 |
| #4 | Robert S. Cole | Alta | 1 |
| #4 | Anthony M. Di Tommaso | Abb Automation Gmbh | 1 |
| #4 | James A. Michael | Automed Technologies | 1 |
| #4 | Celeste L. Hort | Mine Safety Appliances Company | 1 |
| #4 | David M. Groner | Gfm Gmbh | 1 |
| #4 | Christopher L. Prete | Mine Safety Appliances Company | 1 |
| #4 | John Brennan | Astrazeneca Ab | 1 |
| #4 | James Dolfi | Eaton | 1 |
| #4 | Guangxin Wang | Honeywell | 1 |
| #4 | Richard Craig Alexander | Eaton | 1 |
| #4 | Donald K. Wiseman, Jr. | — | 1 |
| #4 | Timothy McKivigan | — | 1 |
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