CPC Subgroup Additional Only
A61H 2201/1238 with hydraulic or pneumatic drive
Full Title
Characteristics of apparatus not provided for in the preceding codes > Driving means > with hydraulic or pneumatic drive
1 direct subcode
Child Classifications
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- A61H 2201/1246 by piston-cylinder systems
Top Applicants
Top 10 applicants by patent filingsfor class A61, 2013–2023, worldwide · Source: EPO PATSTAT
- PHILIPS ELECTRONICS NL 20,621
- NOVARTIS CH 15,792
- ROCHE CH 14,303
- COVIDIEN US 13,862
- HARVARD UNIVERSITY US 13,454
- UNIVERSITY OF CALIFORNIA US 12,798
- P&G (PROCTER & GAMBLE COMPANY) US 12,140
- L'OREAL FR 11,800
- OLYMPUS CORPORATION JP 9,894
- BOSTON SCIENTIFIC SCIMED US 9,513