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CPC Subgroup
F23Q 2/16

Lighters with gaseous fuel, e.g. the gas being stored in liquid phase

Full Title

Lighters containing fuel, e.g. for cigarettes > Lighters with gaseous fuel, e.g. the gas being stored in liquid phase

Filing statistics

CPC F23Q 2/16 belongs to the parent subclass F23Q, which recorded 4,974 patent applications worldwide between 2013 and 2023. Annual filings declined from 507 in 2013 to 347 in 2023 (-32%), peaking at 559 applications in 2016. The most active applicants in class F23 are GE (GENERAL ELECTRIC COMPANY) (2,581 applications), UNITED TECHNOLOGIES CORPORATION (UTC) (1,180 applications) and SIEMENS (1,157 applications).

Source: EPO PATSTAT, worldwide filings

6 direct subcodes

Child Classifications

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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