Patents per Year
Top Inventors at S. P. M. All Time
Showing 1–10 of 10 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Mark D. Matzner | 3 |
| 2 | Glenn P. Hayes | 2 |
| 3 | Kurt W. Beier | 1 |
| 3 | Akira Takizawa | 1 |
| 3 | Jonathan Robert Prince | 1 |
| 3 | Kenneth L. Biggs | 1 |
| 3 | Konrad Ruckstuhl | 1 |
| 3 | Richard Gordon | 1 |
| 3 | Serafin L. Silvano | 1 |
| 3 | Vladimir Kugelev | 1 |
Most Valuable Patents
| Patent | Est. Value | Year |
|---|---|---|
| Apparatus for separation of material of heterogeneous character | $269K | 1981 |