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IPC Subgroup
F03B 3/16

Stators

Introduced: September 1968

Last revised: January 2006

Full Title

Machines or engines of reaction type; Parts or details peculiar thereto > Stators

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:
MACHINES OR ENGINES FOR LIQUIDS

1 direct subcode

Child Classifications

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  • F03B 3/18 Stator blades; Guide conduits or vanes, e.g. adjustable

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