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IPC Main Group
F16J 7/00

Piston-rods, i.e. rods rigidly connected to the piston

Introduced: September 1968

Last revised: January 2006

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:
PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS

Filing statistics

IPC F16J 7/00 belongs to the parent subclass F16J, which recorded 111,978 patent applications worldwide between 2013 and 2023. Annual filings grew from 7,715 in 2013 to 10,517 in 2023 (+36%), peaking at 14,669 applications in 2020. 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

PISTON(S) rodspiston- RODS

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