Top Inventors at Timekeeping Systems All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Barry J. Markwitz | 7 |
| 2 | Dean M. Chriss | 5 |
| 3 | Jay Cross | 4 |
| #4 | Jason D. Doyle | 2 |
| #5 | Jim Nicholson | 2 |
| #6 | John Blair Hamilton | 2 |
| #7 | John E. Hansley, II | 2 |
| #8 | John W. Hoffman | 2 |
| #9 | Michael Gribov | 2 |
| #10 | Mike O'Flaherty | 2 |
| #11 | Michael O'Flaherty | 2 |
| #12 | Paolo Argentieri | 2 |
| #13 | Roger W. Stahl | 2 |
| #14 | Scott Boswell | 2 |
| #15 | Thomas F. Dutton | 2 |
| #16 | Tom Dutton | 2 |
| #17 | Tom Morman | 2 |
| #18 | Brent G. Bowers | 1 |
| #19 | Bryan T. Johnson | 1 |
| #20 | Brian Milliff | 1 |
| #21 | Jon E. Washington | 1 |
| #22 | Mary T. Upham | 1 |
| #23 | Nicholas F. Papatonis | 1 |