Top Inventors at Sporlan Valve All Time
Showing 1–20 of 20 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Joseph H. Heffner | 11 |
| 2 | Dennis L. Hoehne | 7 |
| 3 | G. Thomas Seener | 6 |
| #4 | David Charles Dorste | 5 |
| #5 | William J. Barbier | 4 |
| #6 | Harold T. Lange | 3 |
| #6 | J. George Leimbach | 3 |
| #6 | Michael Lacey | 3 |
| #9 | David C. Macke, Sr. | 1 |
| #9 | David P. Wrocklage | 1 |
| #9 | Donald L. Tillotson | 1 |
| #9 | Eugene Ziegler | 1 |
| #9 | John W. Friend | 1 |
| #9 | Michael A. Noelke | 1 |
| #9 | Richard Livingston | 1 |
| #9 | Roger D. Chamberlain | 1 |
| #9 | Stephen P. Pilgram | 1 |
| #9 | Thomas L. Starr | 1 |
| #9 | Robert S. Ens | 1 |
| #9 | John G. Leimbach | 1 |