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PCE
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CPC Main Group
F23H 1/00

Grates with solid bars (double grates F23H5/00)

4 direct subcodes

Child Classifications

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  • F23H 1/02 having provision for air supply or air preheating, e.g. air-supply or blast fittings which form a part of the grate structure or serve as supports
  • F23H 1/04 having a variable burning surface
  • F23H 1/06 having bars at different levels
  • F23H 1/08 Vertical grates

Top Applicants

Top 10 applicants by patent filingsfor class F23, 2013–2023, worldwide · Source: EPO PATSTAT

  1. GE (GENERAL ELECTRIC COMPANY) US 2,581
  2. UNITED TECHNOLOGIES CORPORATION (UTC) US 1,180
  3. SIEMENS DE 1,157
  4. GE (GENERAL ELECTRIC COMPANY) 994
  5. XIAN THERMAL POWER RESEARCH INSTITUTE COMPANY 769
  6. MITSUBISHI HEAVY INDUSTRIES JP 701
  7. MITSUBISHI HITACHI POWER SYSTEMS JP 695
  8. RAYTHEON TECHNOLOGIES CORPORATION US 587
  9. NINGBO FOTILE KITCHENWARE COMPANY 543
  10. GENERAL ELECTRIC TECHNOLOGY CH 490