Top Inventors at Precision Valve All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Louis Pericard | 9 |
| 2 | John B. Fore | 8 |
| 3 | Michael Paul Downey | 8 |
| #4 | Christian Bayer | 7 |
| #5 | Charles S. Radtke | 5 |
| #6 | Daniel A. Ferrara, Jr. | 5 |
| #7 | Gunter Kolanus | 5 |
| #8 | Virgil Naku | 5 |
| #9 | Georges Guillemot | 4 |
| #10 | Matthew L. Brett | 4 |
| #11 | Robert H. Abplanalp | 4 |
| #12 | Timothy O'Toole | 4 |
| #13 | Kai Theo Bauer | 3 |
| #14 | Rainer Heetfeld | 3 |
| #15 | Ran Plaschkes | 3 |
| #16 | Robert R. Blake | 3 |
| #17 | Terry L. Hygema | 3 |
| #18 | Dean Duffield | 2 |
| #19 | Guenter Kolanus | 2 |
| #20 | Hans W. Hafner | 2 |
| #21 | Herbert Meuresch | 2 |
| #22 | John T. Kawalchuk, Jr. | 2 |
| #23 | Charles Martin Tansey | 1 |
| #24 | Eugenio G. Bergoglio | 1 |
| #25 | Franz Zimmerhackel | 1 |
| #26 | Geoffrey Brace | 1 |
| #27 | Joseph Di Loreto | 1 |
| #28 | Joseph C. Pizzurro | 1 |
| #29 | John Zeritis | 1 |
| #30 | Martin Becker | 1 |
| #31 | Nigel Jackson | 1 |
| #32 | Robert Bennett | 1 |
| #33 | Ruben A. Fritzler | 1 |
| #34 | Thomas G. Hayes | 1 |
| #35 | Gerd Brachmann | 1 |
| #36 | Anthony John Kennedy | 1 |