Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9902596 | System and method to determine relative velocity of crane and target load | Max D. Supkis, Stephen G. Zabrecky | 2018-02-27 |
| 8888057 | Support stand | — | 2014-11-18 |
| 8651981 | Protective screen | — | 2014-02-18 |
| 8444097 | Support stand | — | 2013-05-21 |
| 8388471 | Pitching screen | — | 2013-03-05 |
| 7462115 | Pitching screen system | — | 2008-12-09 |
| 7153225 | Ambidextrous pitching screen system | — | 2006-12-26 |
| 5901864 | Movable crane apparatus | — | 1999-05-11 |
| 5487478 | Inverted kingpost crane | — | 1996-01-30 |
| 5328040 | Thrust-centering crane and method | — | 1994-07-12 |
| 5310067 | Compensating crane and method | — | 1994-05-10 |
| 4354606 | Bearing assembly for a pedestal crane | William R. Bath | 1982-10-19 |
| 4280628 | Anti-two block system | John B. Goss | 1981-07-28 |
| 4184600 | Method for removing a bearing assembly of a pedestal crane and a removable bearing assembly for a pedestal crane | John B. Goss | 1980-01-22 |