Top Inventors at Layne Christensen All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Paul Sylvester | 3 |
| 2 | Brian Smith | 2 |
| 3 | James Jeffrey Harris | 2 |
| #4 | James H. Thomas | 2 |
| #5 | James Troutt | 2 |
| #6 | Doug Beck | 1 |
| #7 | George C. Briley | 1 |
| #8 | George R. King | 1 |
| #9 | Gianmaria Vitali | 1 |
| #10 | James Maggert | 1 |
| #11 | Johanna Teresia Moller | 1 |
| #12 | Joseph A. Sopko | 1 |
| #13 | Joe Sopko | 1 |
| #14 | Krasimir Zahariev | 1 |
| #15 | Kyle Clancy Jones | 1 |
| #16 | Millard Lewis | 1 |
| #17 | Neil Mansuy | 1 |
| #18 | Owen E. Boyd | 1 |
| #19 | Paul Mander | 1 |
| #20 | Ralph Bonanotte | 1 |
| #21 | Robert A. Ereth | 1 |
| #22 | Stefano Campanini | 1 |
| #23 | Thomas M. Dea | 1 |
| #24 | Pier Iovino | 1 |