Description
Class B66D : CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
Subclass 1/08: Rope, cable, or chain winding mechanisms; Capstans (portable or mobile lifting or hauling appliances B66D 3/00) Driving gear incorporating fluid motors
B66D 1/08
Sub-Class
Stats
- 53 US PATENTS IN FORCE
- 8 US APPLICATIONS PENDING
- 25 Total Patent Owners
- 207 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12195311 | Fluid-operated lifting gear | Aug 24, 20 | Jan 14, 25 | J. D. Neuhaus Holding GmbH & Co. KG |
| 12134547 | Hydraulic winch control | Dec 17, 20 | Nov 05, 24 | Dowell -- A Division of Schlumberger Technology Corporation |
| 12091293 | Main hoist system of rotary drilling rig, and control method therefor | Dec 03, 20 | Sep 17, 24 | XUZHOU XUGONG FOUNDATION CONSTRUCTION MACHINERY CO., LTD |
| 12060950 | Valve assembly and hydraulic circuit | Jan 03, 23 | Aug 13, 24 | Dana Motion Systems Italia Srl |
| 12049391 | Forestry winch | Feb 14, 22 | Jul 30, 24 | Bernward Welschof |
| 11970376 | Winch speed compensation systems and methods | Sep 27, 21 | Apr 30, 24 | Caterpillar Inc. |
| 11926990 | Heavy equipment recovery winch system and methods of making and using same | Jan 05, 21 | Mar 12, 24 | Midwestern Manufacturing Company |
| 11905147 | Method for the operation of a forestry winch and forestry winch | May 11, 22 | Feb 20, 24 | Not available |
| 11837974 | Stroke transmitter for an actuator device | Apr 17, 19 | Dec 05, 23 | MetisMotion GmbH |
| 11794534 | Towing attachment installable on work machine | Dec 04, 18 | Oct 24, 23 | AGRIPROJECT LIMITED COMPANY |
| 11773651 | Drilling machine for foundation piles comprising an electric energy recovery winch | Sep 05, 19 | Oct 03, 23 | Not available |
| 11753283 | Winch assembly for assisting the movement of a tracked vehicle and control method thereof | Jun 08, 18 | Sep 12, 23 | Prinoth S.p.A. |
| 11365101 | Aided freewheel winch assembly | Jul 29, 21 | Jun 21, 22 | Altec Industries Inc. |
| 11339038 | System for controlling the operation of a hydraulic winch | Dec 12, 18 | May 24, 22 | Caterpillar Inc. |
| 11247879 | Winch system | Jun 28, 16 | Feb 15, 22 | MHWIRTH AS |
| 11161723 | Crane winch device and crane | Mar 02, 20 | Nov 02, 21 | SUMITOMO HEAVY INDUSTRIES CONSTRUCTION CRANES CO., LTD. |
| 10974936 | Hydraulic controller for hydraulically actuated liftable and lowerable hook of crane | Aug 16, 16 | Apr 13, 21 | XCMG European Research Center GmbH |
| 10858225 | Winch line speed control for a track-type machine having an electric drive powertrain | Jun 12, 18 | Dec 08, 20 | Caterpillar Inc. |
| 10843910 | Electric powered pneumatic balancer | Sep 13, 17 | Nov 24, 20 | Ingersoll-Rand Industrial U.S., Inc. |
| 10752477 | Control device of hydraulic winch | Mar 11, 19 | Aug 25, 20 | SUMITOMO HEAVY INDUSTRIES CONSTRUCTION CRANES CO., LTD. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 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 |
| 2022/0033,235 | A TUGBOAT HYDRAULIC GENSET | Sep 17, 19 | Feb 03, 22 | Not available |
| 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 |
| 2017/0313,557 | CHAIN GUIDE AND A CHAIN WINCH COMPRISING SUCH A CHAIN GUIDE | Nov 13, 15 | Nov 02, 17 | MACGREGOR NORWAY AS |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 31 Months (last 2 years Issuances)
- 31 Months (last 5 years Issuances)