Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9908749 | Block | Charles J. Lob | 2018-03-06 |
| 7988132 | Block with improved central mounting | — | 2011-08-02 |
| 7673851 | Block with improved central mounting | — | 2010-03-09 |
| 6305669 | Bearing block tether using fine lines | Olaf T. Harken, Charles J. Lob, Thomas G. Hanson | 2001-10-23 |
| 6158373 | Traveler car with recirculating ball bearings and bearing retainer | Jonathan D. Malcolm | 2000-12-12 |
| 5249543 | Snatch block | Goran Rutgerson, Peter O. Harken | 1993-10-05 |
| 4719869 | Sailboat traveler car assembly with removable block | Peter O. Harken, Robert A. Whitehouse | 1988-01-19 |