Top Inventors at Cra Services Limited All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Robin John Batterham | 5 |
| 2 | Barry S. Andrews | 3 |
| 3 | David A. Cain | 3 |
| #4 | Glenn A. Thiele | 3 |
| #5 | James Happ | 3 |
| #6 | Reginald B. Johns | 3 |
| #7 | Roderick M. Grant | 3 |
| #8 | Alan S. Buchanan | 3 |
| #9 | John Keogh | 2 |
| #10 | Rodney James Dry | 2 |
| #11 | Robert La Nauze | 2 |
| #12 | Alan Loyd Chaffee | 2 |
| #13 | Gregorey J. Hardie | 1 |
| #14 | Hans-Georg Fassbinder | 1 |
| #15 | James Dixon Iley | 1 |
| #16 | Kaye F. Harvey | 1 |
| #17 | Kay F. Harvey | 1 |
| #18 | Kevork A. Chouzadjian | 1 |
| #19 | Mark I. Hoschke | 1 |
| #20 | Michael John Hollitt | 1 |
| #21 | Michelle A. Spieth | 1 |
| #22 | Paul-Gerhard Mantey | 1 |
| #23 | Stephen Roden | 1 |
| #24 | Trevor J. Smith | 1 |
| #25 | Craig C. Kenna | 1 |
| #26 | Theodore V. Verheyen | 1 |
| #27 | David Santwyk-Anderson | 1 |
| #28 | Albert P. Hawkins | 1 |