Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398026 | Hoist rotary assembly | — | 2025-08-26 |
| 11820630 | Electrical enclosure combined with lifting device support rails | — | 2023-11-21 |
| 10900559 | Automatic lubrication arrangement for a hoist | — | 2021-01-26 |
| 10464787 | Safety arrangement for a hoist | — | 2019-11-05 |
| 10099904 | Safety arrangement for a hoist | — | 2018-10-16 |
| 7896573 | Clamping assembly for making connections to elongated members | — | 2011-03-01 |
| 7856930 | Electric motor driven traversing balancer hoist | — | 2010-12-28 |
| 7775384 | Electric motor driven traversing balancer hoist | — | 2010-08-17 |
| 7467723 | Electric motor driven traversing balancer hoist | — | 2008-12-23 |
| 6354644 | Apparatus for handling hollow core rolls | Steven R. Sowter | 2002-03-12 |
| 6138574 | Overhead trolley--rail system for conveyors | — | 2000-10-31 |
| 5921368 | Linked carrier gravity conveyor | — | 1999-07-13 |
| 5915840 | Linear guideway arrangement | James Michael Weitz, James L. Daubert | 1999-06-29 |
| 5784965 | Interlock mechanism for an overhead trackway system | — | 1998-07-28 |
| 5772184 | Load support mounted control arrangement for fluid pressure operated hoist | — | 1998-06-30 |
| 5771816 | Lift table | — | 1998-06-30 |
| 5649491 | Tilt table | — | 1997-07-22 |
| 5644821 | Arrangement for attachment of a stop element to a hoist cable or chain | — | 1997-07-08 |
| 5645180 | Floor mounted rotatable jib crane | — | 1997-07-08 |
| 5611522 | Hydraulically actuated portable hoist | — | 1997-03-18 |
| 5598785 | Hanger bracket for track rails | — | 1997-02-04 |
| 5593138 | Air balancing hoist combination | — | 1997-01-14 |
| 5590756 | Gravity conveyor with return | — | 1997-01-07 |
| 5553832 | Safety device for an air balancing hoist | — | 1996-09-10 |
| 5549192 | Return mechanism for gravity conveyor | — | 1996-08-27 |