Class B66F : HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
Subclass 3/20: Devices, e.g. jacks, adapted for uninterrupted lifting of loads (mobile jacks of the garage type B66F 5/00) screw-operated (B66F 3/44 takes precedence; gearings F16H) actuated through multiple or change-speed gearings
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12258247 | Lifting column transmission assembly and lifting column | Sep 27, 19 | Mar 25, 25 | ZHEJIANG JIECANG LINEAR MOTION TECHNOLOGY CO., LTD . |
| 12017491 | Maneuverable ergonomic trailer stands | Feb 10, 23 | Jun 25, 24 | Rite - Hite Holding Corporation |
| 11661321 | Lifting device | Dec 04, 20 | May 30, 23 | Quzhou T-Nine Tools Co., Ltd. |
| 11602964 | Maneuverable ergonomic trailer stands | Apr 05, 19 | Mar 14, 23 | Not available |
| 11390502 | Two speed trailer jack | May 26, 20 | Jul 19, 22 | SOS Solutions, Inc. |
| 10167178 | Leveling jack with direct actuation | Jul 28, 16 | Jan 01, 19 | Lippert Components, Inc. |
| 9487381 | Electric car jack | May 15, 15 | Nov 08, 16 | Comeup Industries Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0308,286 | MANEUVERABLE ERGONOMIC TRAILER STANDS | May 30, 24 | Sep 19, 24 | Not available |
| 2021/0371,258 | TWO SPEED TRAILER JACK | May 26, 20 | Dec 02, 21 | SOS Solutions, Inc. |
| 2019/0308,855 | MANEUVERABLE ERGONOMIC TRAILER STANDS | Apr 05, 19 | Oct 10, 19 | Not available |
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