Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8308589 | Belt and chain drive with kidney-shaped traction mechanism | Karlheinz Nicolai | 2012-11-13 |
| 8057337 | Debris ejecting sprocket and system | — | 2011-11-15 |
| 7980956 | Sleeve and sleeve-type flexible shaft coupling | Jonathan Andrew Kneeshaw, John W. Black | 2011-07-19 |
| 7763336 | Flexible coupling sleeve and a flexible shaft coupling incorporating same | Richard Bell, Joseph R. Duke, Jr., William W. L. Wu | 2010-07-27 |
| 7658678 | Pronged sleeve-type flexible shaft coupling | Jonathan Andrew Kneeshaw, John W. Black | 2010-02-09 |
| D592107 | Sprocket | — | 2009-05-12 |
| D545333 | Sprocket | — | 2007-06-26 |
| D544894 | Sprocket | — | 2007-06-19 |
| 6283868 | Flexible shaft coupling element and flexible couplings incorporating same | Kevin John Francis Whitfield | 2001-09-04 |