| 2024/0375,919 | Rotary Drive Device | Sep 29, 22 | Nov 14, 24 | Not available |
| 2023/0373,764 | Forestry Winch with an Eject Roller | Sep 13, 21 | Nov 23, 23 | Not available |
| 2023/0271,814 | MAIN HOIST SYSTEM OF ROTARY DRILLING RIG, AND CONTROL METHOD THEREFOR | Dec 03, 20 | Aug 31, 23 | XUZHOU XUGONG FOUNDATION CONSTRUCTION MACHINERY CO., LTD |
| 2022/0281,724 | FLUID-OPERATED LIFTING GEAR | Aug 24, 20 | Sep 08, 22 | Not available |
| 2022/0033,235 | A TUGBOAT HYDRAULIC GENSET | Sep 17, 19 | Feb 03, 22 | Not available |
| 2020/0190,769 | System for Controlling the Operation of a Hydraulic Winch | Dec 12, 18 | Jun 18, 20 | Caterpillar Inc. |
| 2019/0284,028 | CONTROL DEVICE OF HYDRAULIC WINCH | Mar 11, 19 | Sep 19, 19 | Not available |
| 2019/0077,640 | ELECTRIC POWERED PNEUMATIC BALANCER | Sep 13, 17 | Mar 14, 19 | Not available |
| 2019/0055,112 | MOBILE SHAFT WINCH | Sep 13, 16 | Feb 21, 19 | Not available |
| 2018/0319,634 | CRANE HYDRAULIC SYSTEM AND CONTROLLING METHOD OF THE SYSTEM | Oct 30, 15 | Nov 08, 18 | Not available |
| 2018/0037,447 | SWITCHING VALVE, SWITCHING HYDRAULIC SYSTEM AND CRANE | Mar 03, 16 | Feb 08, 18 | XUZHOU HEAVY MACHINERY CO., LTD. |
| 2018/0002,146 | COMPONENT FOR REPLACING PIPES, METHOD OF USE, AND KIT OF PARTS FOR USE IN REMOVING PIPES | May 22, 17 | Jan 04, 18 | Not available |
| 2017/0313,557 | CHAIN GUIDE AND A CHAIN WINCH COMPRISING SUCH A CHAIN GUIDE | Nov 13, 15 | Nov 02, 17 | MACGREGOR NORWAY AS |
| 2015/0336,779 | Slack Line Detection Systems for Winches | May 20, 14 | Nov 26, 15 | INGERSOLL-RAND COMPANY |
| 2015/0123,056 | TACKLE FOR DISPLACING A LOAD | Dec 17, 12 | May 07, 15 | HAWKINS, DANIEL ANDREW |
| 2015/0083,985 | Method and System for Operating Winches and Use Thereof | Mar 27, 13 | Mar 26, 15 | I.P. Huse AS |
| 2015/0053,903 | BALANCER | May 25, 12 | Feb 26, 15 | KONECRANES GLOBAL CORPORATION |
| 2015/0041,740 | Braking Systems for Pneumatic Hoists | Aug 07, 13 | Feb 12, 15 | INGERSOLL-RAND COMPANY |
| 2014/0332,204 | Quick Drum Connect | Dec 03, 12 | Nov 13, 14 | SCHLUMBERGER TECHNOLOGY CORPORATION |
| 2014/0231,731 | GAS SPRING DEVICE, AND BALANCER DEVICE AND ACTUATOR WHICH USE GAS SPRING DEVICE | Apr 29, 14 | Aug 21, 14 | PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. |