CPC Main Group Additional Only
F23H 2700/00 Grates characterised by special features or applications
9 direct subcodes
Child Classifications
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- F23H 2700/001 Grates specially adapted for steam boilers
- F23H 2700/002 Inclined grates with longitudinally movable gratebars
- F23H 2700/003 Stepped grates with rotatable or slidable gratebars
- F23H 2700/004 Rotary grates with horizontal axis
- F23H 2700/005 Rotary grates with vertical axis
- F23H 2700/006 Grates of basket-type
- F23H 2700/007 Basket grates with shaking arrangement
- F23H 2700/008 Mobile grates
- F23H 2700/009 Grates specially adapted for incinerators
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