Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
F16F 3/087

Units comprising several springs made of plastics or the like material

Introduced: January 1995

Last revised: January 2006

Full Title

Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic > with springs made of a material having high internal friction, e.g. rubber > Units comprising several springs made of plastics or the like material

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:
SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION

1 direct subcode

Child Classifications

Navigate with arrow keys, Enter to open

  • F16F 3/093 the springs being of different materials, e.g. having different types of rubber

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