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IPC Main Group
G01D 1/00

Measuring arrangements giving results other than momentary value of variable, of general application

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PHYSICS
Class:
MEASURING; TESTING
Subclass:
MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; TRANSFERRING OR TRANSDUCING ARRANGEMENTS NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR

Related Keywords

TOTALISING of measured values in general

7 direct subcodes

Child Classifications

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  • G01D 1/02 giving mean values, e.g. root mean square values
  • G01D 1/1 giving differentiated values
  • G01D 1/12 giving a maximum or minimum of a value
  • G01D 1/14 giving a distribution function of a value, i.e. number of times the value comes within specified ranges of amplitude
  • G01D 1/16 giving a value which is a function of two or more values, e.g. product or ratio
  • G01D 1/18 with arrangements for signalling that a predetermined value of an unspecified parameter has been exceeded

Top Applicants

Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 41,447
  2. CHINESE ACADEMY OF SCIENCES 32,952
  3. ROBERT BOSCH DE 16,470
  4. SAMSUNG ELECTRONICS COMPANY KR 10,052
  5. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 9,573
  6. ZHEJIANG UNIVERSITY 9,529
  7. GUANGDONG POWER GRID CORPORATION 8,615
  8. TSINGHUA UNIVERSITY 7,805
  9. HALLIBURTON ENERGY SERVICES GROUP US 7,796
  10. QUALCOMM US 7,171