CPC Main Group Additional Only
F23K 2203/00 Feeding arrangements
6 direct subcodes
Child Classifications
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- F23K 2203/002 Feeding devices for steam boilers, e.g. in locomotives
- F23K 2203/004 Feeding devices with reciprocating members
- F23K 2203/006 Fuel distribution and transport systems for pulverulent fuel
- F23K 2203/008 Feeding devices for pulverulent fuel
- F23K 2203/10 Supply line fittings
- F23K 2203/20 Feeding/conveying devices
Top Applicants
Top 10 applicants by patent filingsfor class F23, 2013–2023, worldwide · Source: EPO PATSTAT
- GE (GENERAL ELECTRIC COMPANY) US 2,581
- UNITED TECHNOLOGIES CORPORATION (UTC) US 1,180
- SIEMENS DE 1,157
- GE (GENERAL ELECTRIC COMPANY) 994
- XIAN THERMAL POWER RESEARCH INSTITUTE COMPANY 769
- MITSUBISHI HEAVY INDUSTRIES JP 701
- MITSUBISHI HITACHI POWER SYSTEMS JP 695
- RAYTHEON TECHNOLOGIES CORPORATION US 587
- NINGBO FOTILE KITCHENWARE COMPANY 543
- GENERAL ELECTRIC TECHNOLOGY CH 490