F16D 3/26 Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slideably connected
Introduced: September 1968
Last revised: January 2006
Full Title
Yielding couplings, i.e. with means permitting movement between the connected parts during the drive > Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts > Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slideably connected
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
Filing statistics
IPC F16D 3/26 belongs to the parent subclass F16D, which recorded 156,851 patent applications worldwide between 2013 and 2023. Annual filings declined from 12,527 in 2013 to 12,099 in 2023 (-3%), peaking at 16,031 applications in 2017. The most active applicants in class F16 are SCHAEFFLER TECHNOLOGIES & COMPANY (21,545 applications), ZAHNRADFABRIK FRIEDRICHSHAFEN (9,446 applications) and TOYOTA MOTOR CORPORATION (7,215 applications).
Source: EPO PATSTAT, worldwide filings
Related Keywords
6 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- F16D 3/27 with two or more intermediate members pivotally or slidably connected together, e.g. tongue-and-slipper type joints
- F16D 3/28 in which the interconnecting pivots include elastic members
- F16D 3/3 in which the coupling is specially adapted to constant velocity-ratio
- F16D 3/36 in which each pivot between the coupling parts and the intermediate member comprises a single ball
- F16D 3/38 with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D 3/44 the intermediate member being connected to the coupling parts by ridges, pins, balls, or the like guided in grooves or between cogs
Top Applicants
Top 10 applicants by patent filingsfor class F16, 2013–2023, worldwide · Source: EPO PATSTAT
- SCHAEFFLER TECHNOLOGIES & COMPANY DE 21,545
- ZAHNRADFABRIK FRIEDRICHSHAFEN DE 9,446
- TOYOTA MOTOR CORPORATION 7,215
- HYUNDAI MOTOR COMPANY KR 6,846
- ROBERT BOSCH DE 6,106
- NTN CORPORATION 5,305
- SKF SE 4,219
- KIA MOTORS CORPORATION KR 3,852
- NSK 3,850
- HONDA MOTOR COMPANY 3,639