Patents per Year
Top Inventors at Emco Enterprises All Time
Showing 1–11 of 11 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Terry J. Kenkel | 12 |
| 2 | Michael J. Billingsley | 6 |
| 3 | Marc M. DeBower | 3 |
| 3 | Robert C. Tweedt | 3 |
| #5 | David L. Ishmael | 2 |
| #5 | Kelly Hemping | 2 |
| #7 | Brad E. Pingel | 1 |
| #7 | Alan H. Woodruff | 1 |
| #7 | Gordon D. Hansen | 1 |
| #7 | James E. Schooler | 1 |
| #7 | Walter B. Herbst | 1 |
Most Valuable Patents
| Patent | Est. Value | Year |
|---|---|---|
| Vented glass door | $2M | 1997 |
| Door having integrally formed weep hole for drainage | $2M | 1998 |
| Cover for a door closure | $2M | 1999 |
| Door closer and method | $2M | 1998 |
| Window retention system | $2M | 2001 |