Patents per Year
Top Inventors at Sp Industries All Time
Showing 1–25 of 25 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Larry V. Greenley | 5 |
| 2 | Charles D. Dern | 4 |
| 3 | Balazs Hunek | 3 |
| 3 | Melinda Lee Verdone | 3 |
| 3 | Nigel Grinter | 3 |
| 3 | Robert Sever | 3 |
| 3 | Theodore Hall Gasteyer, III | 3 |
| 3 | V. Cloud Volpe | 3 |
| #9 | David Cross | 2 |
| #9 | David T. Sutherland | 2 |
| #9 | Dennis C. Pool | 2 |
| #9 | Norman A. Neill | 2 |
| #9 | William I. Sturm | 2 |
| #14 | Andrew Lesniak | 1 |
| #14 | Anthony P. Montalbano | 1 |
| #14 | Christopher T. Montalbano | 1 |
| #14 | Dean B. Wise | 1 |
| #14 | Douglas Hohlbein | 1 |
| #14 | Joseph Griffin | 1 |
| #14 | Michelle Bradley | 1 |
| #14 | Miguel A. Puig | 1 |
| #14 | Siegfried G. Bart, Jr. | 1 |
| #14 | William Frank Buckminster | 1 |
| #14 | Richard J. Viscusi | 1 |
| #14 | Douglas G. Wernerspach | 1 |
Most Valuable Patents
| Patent | Est. Value | Year |
|---|---|---|
| Means and methods for selective shelf temperature control | $104M | 2021 |
| Energy recovery in a freeze-drying system | $93M | 2021 |
| Method of inducing nucleation of a material | $90M | 2016 |
| Energy recovery in a freeze-drying system | $90M | 2020 |
| Waste/recyclables loading machine | $49M | 2007 |