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  1. Technology classes
  2. /F · Mechanical engineering
  3. /F03 · Machines or engines for liquids
  4. /F03D · Wind motors
  5. /F03D 1/00 · Wind motors with rotation axis substantially parallel to the air flow entering
  6. /F03D 1/06 · Rotors
  7. /F03D 1/065 · Characterised by their construction elements
  8. /F03D 1/0658 · Arrangements for fixing wind-engaging parts to a hub
  9. /F03D 1/0662 · Using kinematic linkage
  10. /F03D 1/0664 · Pitch arrangements
  11. /F03D 1/0667 · Characterized by the actuator arrangements
  12. /F03D 1/0671
F03D 1/0671

Electric actuators

Official title: {Electric actuators, e.g. motors}

F03D1/0671 (Electric actuators) appears on 4 US grants and 8 published applications in this corpus.

Search patents in F03D

Where it sits

  1. FMechanical engineering
  2. F03Machines or engines for liquids
  3. F03DWind motors
  4. F03D 1/00Wind motors with rotation axis substantially parallel to the air flow entering
  5. F03D 1/06Rotors
  6. F03D 1/065Characterised by their construction elements
  7. F03D 1/0658Arrangements for fixing wind-engaging parts to a hub
  8. F03D 1/0662Using kinematic linkage
  9. F03D 1/0664Pitch arrangements
  10. F03D 1/0667Characterized by the actuator arrangements
  11. F03D 1/0671Electric actuators
Granted patents
4
Published applications
8
Assignees
6
Inventors
21
Latest grant
9 Sep 2025

Filings by year

Granted patentsPublished applications
F03D 1/0671: granted patents and published applications per publication year
YearGranted patentsPublished applications
202201
202301
202421
202525

2022202320242025

By publication year.

Recent patents

  • Ultracapacitor pitch energy module9 Sep 2025US 12,410,772 B2Richardson Electronics, Ltd.
  • Pitch drive controller for a wind turbine, pitch drive control device, and method for controlling a pitch drive controller7 Jan 2025US 12,188,449 B2Keba Industrial Automation Germany GmbH
  • Ultracapacitor pitch energy module24 Dec 2024US 12,173,689 B2Richardson Electronics, Ltd.
  • Pitch systems for blades of wind turbines and associated methods10 Dec 2024US 12,163,505 B2General Electric Renovables Espana, S.L.
  • Lift crane assembly for a wind turbine nacelle4 Dec 2025US 2025/0368478 A1The Carlson Company, Inc.
  • Ultracapacitor pitch energy module27 Nov 2025US 2025/0361852 A1Richardson Electronics, Ltd.
  • Fail safe system for wind turbine nacelle31 Jul 2025US 2025/0243845 A1Kodair Wind Designs Limited
  • Method for controlling an electro-mechanical actuator, electro-mechanical actuation system and wind turbine17 Jul 2025US 2025/0230794 A1Nordex Energy GmbH
  • Ultracapacitor pitch energy module27 Feb 2025US 2025/0067245 A1Richardson Electronics, Ltd.

Most cited

By later US patents

No patent in this class has been cited by a later US patent yet.

Top assignees

Documents
  • RERichardson Electronics, Ltd.5
  • GEGeneral Electric Renovables Espana, S.L.2
  • KIKeba Industrial Automation Germany GmbH2
  • KWKodair Wind Designs Limited1
  • NENordex Energy GmbH1
  • CThe Carlson Company, Inc.1

Often classified with

  • F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to12
  • Y02EClean energy generation and storage12
  • H02JPower supply and charging6
  • B66CCranes1
  • H02PControl or regulation of electric motors, electric generators or dynamo-electric converters1

Documents that also carry the other class.

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