Top Inventors at Clark Material Handling All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Clark C. Simpson | 8 |
| 2 | Jack L. Shafe | 2 |
| 3 | Lonnie R. Oxley | 2 |
| #4 | Bryan Memmott | 1 |
| #5 | James J. Connerley | 1 |
| #6 | Jack O. Rocco | 1 |
| #7 | Jeffrey C. Hansell | 1 |
| #8 | Jeffery C. Hansell | 1 |
| #9 | Jeffrey L. Lubben | 1 |
| #10 | John Hodgman | 1 |
| #11 | Kevin W. Craven | 1 |
| #12 | Larry A. Sliker | 1 |
| #13 | Ronald L. Weber | 1 |
| #14 | Tom Hill | 1 |
| #15 | William C. Jones, Jr. | 1 |
| #16 | Allan M. Wesche | 1 |
| #17 | Arun Kumar Seksaria | 1 |