CPC Subgroup Additional Only
D07B 2301/15 Closed loop
Full Title
Controls > Closed loop
1 direct subcode
Child Classifications
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- D07B 2301/155 being of the extended closed loop control system type, e.g. using models or more than one signal in the feedback loop
Top Applicants
Top 10 applicants by patent filingsfor class D07, 2013–2023, worldwide · Source: EPO PATSTAT
- COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 429
- BEKAERT BE 233
- BRIDGESTONE CORPORATION JP 218
- OTIS ELEVATOR COMPANY US 204
- MICHELIN RECHERCHE ET TECHNIQUE CH 154
- DSM IP ASSETS (DUTCH STATE MINES IP ASSETS) NL 151
- BRIDGESTONE CORPORATION 118
- KONE CORPORATION FI 100
- CONTINENTAL REIFEN DE 96
- SOLETANCHE FREYSSINET FR 90