Class B66D : CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
Subclass 1/24: Rope, cable, or chain winding mechanisms; Capstans (portable or mobile lifting or hauling appliances B66D 3/00) Driving gear Power transmissions between power sources and drums or barrels for varying speed, or reversing direction of rotation, of drums or barrels
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12246953 | Large-scale tool hoisting device for offshore electric power construction | Oct 30, 24 | Mar 11, 25 | POWERCHINA SEPCO1 ELECTRIC POWER CONSTRUCTION CO., LTD. |
| 11859700 | Non-backdrivable self-locking gear system | Sep 20, 22 | Jan 02, 24 | Agbotic Incorporated |
| 11572259 | System and method for aerial cord release mechanisms | Jun 10, 20 | Feb 07, 23 | Flytrex Aviation Ltd. |
| 11448297 | Non-backdrivable self-locking gear system | Mar 23, 20 | Sep 20, 22 | Kinatech, LLC |
| 10549965 | Double-speed electric winch and operating method thereof | Aug 29, 18 | Feb 04, 20 | Not available |
| 10451155 | Non-backdrivable self-locking gear system | Feb 10, 17 | Oct 22, 19 | Not available |
| 10150655 | Electric winch device | Apr 07, 15 | Dec 11, 18 | Kobe Steel, Ltd.; KOBELCO CONSTRUCTION MACHINERY CO. LTD; |
| 10138099 | Power winch horizontal-push winch | Mar 21, 17 | Nov 27, 18 | COMEUP INDUSTRIES INC. |
| 10106381 | Portable endless line puller | Oct 12, 16 | Oct 23, 18 | Not available |
| 9236781 | Planetary gear assembly | Nov 21, 13 | Jan 12, 16 | NATIONAL OILWELL VARCO, L.P. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0375,919 | Rotary Drive Device | Sep 29, 22 | Nov 14, 24 | Not available |
| 2024/0324,582 | METHOD AND SYSTEM FOR INVASIVE VINE REMOVAL FROM TREES | Mar 28, 23 | Oct 03, 24 | Not available |
| 2022/0388,818 | WINCH FOR HANDLING, IN PARTICULAR FOR LIFTING, A LOAD | Oct 14, 20 | Dec 08, 22 | Not available |
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