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PCE
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CPC Subgroup
F03G 7/10

Alleged perpetua mobilia (using hydrostatic thrust F03B17/04)

Full Title

Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for > Alleged perpetua mobilia (using hydrostatic thrust F03B17/04)

7 direct subcodes

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor class F03, 2013–2023, worldwide · Source: EPO PATSTAT

  1. VESTAS DK 3,718
  2. WOBBEN PROPERTIES DE 3,602
  3. SIEMENS GAMESA RENEWABLE ENERGY DK 3,016
  4. GE (GENERAL ELECTRIC COMPANY) US 2,594
  5. SIEMENS DE 1,082
  6. BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER EQUIPMENT COMPANY 709
  7. LM WIND POWER DK 671
  8. WOBBEN PROPERTIES 660
  9. SENVION DE 555
  10. BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER EQUIPMENT COMPANY CN 536