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IPC Subgroup
F03D 9/2

Wind motors characterised by the driven apparatus

Introduced: January 2016

Full Title

Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations > Wind motors characterised by the driven apparatus

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
Subclass:
WIND MOTORS

Filing statistics

IPC F03D 9/2 belongs to the parent subclass F03D, which recorded 109,537 patent applications worldwide between 2013 and 2023. Annual filings grew from 8,194 in 2013 to 11,667 in 2023 (+42%), peaking at 12,369 applications in 2021. The most active applicants in class F03 are VESTAS (3,539 applications), WOBBEN PROPERTIES (2,922 applications) and SIEMENS GAMESA RENEWABLE ENERGY (2,747 applications).

Source: EPO PATSTAT, worldwide filings

Additional Content

Arrangements of propulsion units in vehicles in connection with power supply derived from wind power Propulsion of electrically-propelled vehicles using power supply derived from wind power Driving auxiliaries on ships of other waterborne vessels using wind power Propulsion of ships or other waterborne vessels by wind motors driving water-engaging propulsive elements

3 direct subcodes

Child Classifications

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  • F03D 9/22 the apparatus producing heat
  • F03D 9/25 the apparatus being an electrical generator
  • F03D 9/28 the apparatus being a pump or a compressor

Top Applicants

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

  1. VESTAS DK 3,539
  2. WOBBEN PROPERTIES DE 2,922
  3. SIEMENS GAMESA RENEWABLE ENERGY DK 2,747
  4. GE (GENERAL ELECTRIC COMPANY) US 2,356
  5. BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER EQUIPMENT COMPANY 1,228
  6. SIEMENS DE 886
  7. SGCC(STATE GRID CORPORATION OF CHINA) 831
  8. HUANENG CLEAN ENERGY RESEARCH INSTITUTE 785
  9. MING YANG SMART ENERGY GROUP. 652
  10. LM WIND POWER DK 600