Top Inventors at J.H. Fenner & Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Charles W. Potter | 5 |
| 2 | Colin Seabrook | 2 |
| 3 | David A. Rayner | 2 |
| #4 | Christopher A. Brookes | 1 |
| #5 | David Makin | 1 |
| #6 | Dudley C. Mallett | 1 |
| #7 | Gilbert E. Watts | 1 |
| #8 | John Lindley Bancroft | 1 |
| #9 | John Edward Garrard | 1 |
| #10 | John L. Greenhalgh | 1 |
| #11 | Keith Saul | 1 |
| #12 | Leslie A. Fryatt | 1 |
| #13 | Michael J. Roberts | 1 |
| #14 | Nicholas M. Hobson | 1 |
| #15 | Peter Harvey | 1 |
| #16 | Rodney Chester | 1 |
| #17 | Ronald A. Smith | 1 |
| #18 | Arthur Hargreaves | 1 |
| #19 | Gordon A. Hayhurst | 1 |
| #20 | Simon D. Usher | 1 |
| #21 | Ashley D. Derrick | 1 |