CPC Subgroup
B66C 9/08 Runners; Runner bearings (wheels for railbound vehicles B60B)
Full Title
Travelling gear incorporated in or fitted to trolleys or cranes (; for dredgers E02F) > Runners; Runner bearings (wheels for railbound vehicles B60B)
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