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IPC Main Group
G05D 19/00

Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PHYSICS
Class:
CONTROLLING; REGULATING
Subclass:
SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES

Additional Content

Control devices for adjusting the frequency of portable percussion tools Controlling means for the frequency of the jigging movement of jigging conveyors

Related Keywords

control of VIBRATIONS

1 direct subcode

Child Classifications

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  • G05D 19/02 characterised by the use of electric means

Top Applicants

Top 10 applicants by patent filingsfor class G05, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SIEMENS DE 4,725
  2. SGCC(STATE GRID CORPORATION OF CHINA) 4,571
  3. FANUC JP 4,233
  4. MITSUBISHI ELECTRIC CORPORATION JP 3,143
  5. FANUC 2,981
  6. ROBERT BOSCH DE 2,813
  7. CHINESE ACADEMY OF SCIENCES 2,500
  8. LG ELECTRONICS KR 2,182
  9. OMRON CORPORATION JP 2,036
  10. SAMSUNG ELECTRONICS COMPANY KR 1,981