Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
F16D 27/1

with an electromagnet not rotating with a clutching member, i.e. without collecting rings

Introduced: September 1968

Last revised: January 2006

Full Title

Magnetically-actuated clutches; Control or electric circuits therefor > with an electromagnet not rotating with a clutching member, i.e. without collecting rings

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
Subclass:
COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES

4 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • F16D 27/102 with radially movable clutching members
  • F16D 27/105 with a helical band or equivalent member co-operating with a cylindrical coupling surface
  • F16D 27/118 with interengaging jaws or gear teeth

Top Applicants

Top 10 applicants by patent filingsfor class F16, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SCHAEFFLER TECHNOLOGIES & COMPANY DE 21,545
  2. ZAHNRADFABRIK FRIEDRICHSHAFEN DE 9,446
  3. TOYOTA MOTOR CORPORATION 7,215
  4. HYUNDAI MOTOR COMPANY KR 6,846
  5. ROBERT BOSCH DE 6,106
  6. NTN CORPORATION 5,305
  7. SKF SE 4,219
  8. KIA MOTORS CORPORATION KR 3,852
  9. NSK 3,850
  10. HONDA MOTOR COMPANY 3,639