CPC Main Group
B66F 3/00 Devices, e.g. jacks, adapted for uninterrupted lifting of loads (mobile jacks of the garage type B66F5/00)
7 direct subcodes
Child Classifications
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- B66F 3/02 with racks actuated by pinions
- B66F 3/08 screw operated (B66F3/44 takes precedence; gearings F16H)
- B66F 3/22 Lazy-tongs mechanisms
- B66F 3/24 fluid-pressure operated (water-pressure machines F03B; hydraulic gearings F16H; cylinders, pistons F16J; fluid-pressure servomotors F15B)
- B66F 3/44 with self-contained electric driving motors
- B66F 3/46 Combinations of several jacks with means for interrelating lifting or lowering movements
Top Applicants
Top 10 applicants by patent filingsfor class B66, 2013–2023, worldwide · Source: EPO PATSTAT
- INVENTIO CH 3,939
- OTIS ELEVATOR COMPANY US 3,810
- KONE CORPORATION FI 3,008
- MITSUBISHI ELECTRIC CORPORATION JP 2,333
- MITSUBISHI ELECTRIC CORPORATION 1,254
- HITACHI 1,195
- OTIS ELEVATOR COMPANY 1,065
- SGCC(STATE GRID CORPORATION OF CHINA) 961
- INVENTIO 828
- CROWN EQUIPMENT CORPORATION US 828