Class B66C : CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
Subclass 1/08: Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles (fastening to cables or ropes F16G 11/00) by magnetic means electromagnetic Circuits therefor (for electromagnets in general H01F 7/18)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12214996 | Notification system | Jan 19, 21 | Feb 04, 25 | Kobelco Construction Machinery Co. LTD |
| 11993379 | Unmanned aerial vehicle, aerial vehicle control system and transportation method | Apr 26, 19 | May 28, 24 | Rakuten Group, Inc. |
| 10974933 | Control device for lifting magnet | Jun 16, 17 | Apr 13, 21 | Kobelco Construction Machinery Co. LTD |
| 10604382 | Work machine with lifting magnet | May 08, 17 | Mar 31, 20 | SUMITOMO (S.H.I.) CONSTRUCTION MACHINERY CO., LTD. |
| 10259686 | Magnet work machine | Jun 14, 16 | Apr 16, 19 | KOBELCO CONSTRUCTION MACHINERY CO. LTD |
| 10224137 | Electromagnet control apparatus | Nov 04, 16 | Mar 05, 19 | DYDEN CORPORATION; TAGUCHI INDUSTRIAL CO., LTD.; |
| 9190200 | Method and system for moving material | Sep 09, 13 | Nov 17, 15 | EPHAUGH, INC. |
| 8919465 | Construction machine | Dec 08, 10 | Dec 30, 14 | SUMITOMO(S.H.I.) CONSTRUCTION MACHINERY CO., LTD. |
| 5998944 | Method and apparatus for controlling a lifting magnet of a materials handling machine | Jul 31, 98 | Dec 07, 99 | CATERPILLAR INC., MATERIALS HANDLING CRANE SYSTEMS, INC., |
| 5977730 | Method and apparatus for controlling the flow of hydraulic fluid | Aug 03, 98 | Nov 02, 99 | CATERPILLAR INC. |
| 5959416 | Method and apparatus for controlling a lifting magnet of a materials handling machine | Mar 07, 97 | Sep 28, 99 | CATERPILLAR INC. |
| 5677821 | Method and device for detecting full magnetization of electro-permanent magnets | Nov 30, 95 | Oct 14, 97 | MARITIME HYDRAULICS AS, Maritime Hydraulics A.C., |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0101,396 | STEEL PLATE LIFTING METHOD WITH USE OF LIFTING MAGNET, LIFTING MAGNET, AND METHOD FOR MANUFACTURING STEEL PLATE BY USING LIFTING MAGNET | Dec 15, 21 | Mar 28, 24 | JFE Steel Corporation |
| 2023/0174,347 | LIFTING MAGNET AND STEEL PLATE LIFTING APPARATUS, AND STEEL PLATE CONVEYING METHOD | May 20, 21 | Jun 08, 23 | JFE Steel Corporation |
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