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IPC Subgroup
B25D 9/14

Control devices for the reciprocating piston

Introduced: September 1968

Last revised: January 2006

Full Title

Portable percussive tools with fluid-pressure drive, e.g. having several percussive tool bits operated simultaneously > Control devices for the reciprocating piston

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS
Subclass:
PERCUSSIVE TOOLS

2 direct subcodes

Child Classifications

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  • B25D 9/26 Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof

Top Applicants

Top 10 applicants by patent filingsfor class B25, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 4,635
  2. FANUC JP 3,353
  3. ROBERT BOSCH DE 2,950
  4. LG ELECTRONICS KR 2,397
  5. HILTI LI 2,243
  6. FANUC 2,234
  7. SEIKO EPSON CORPORATION 2,131
  8. KAWASAKI HEAVY IND JP 1,940
  9. MAKITA CORPORATION 1,851
  10. SAMSUNG ELECTRONICS COMPANY KR 1,562