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IPC Subclass
G01D

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

Introduced: September 1968

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

Description

G01D provides a residual classification for measurement and testing technologies that are either generic in nature or do not fit within specialized subclasses dedicated to specific variables (such as length, temperature, or pressure). It covers multi-variable measurement systems where the combination of measured parameters cannot be classified under a single dedicated subclass, as well as tariff metering apparatus and generic transducing/transferring arrangements applicable across multiple measurement domains. This subclass also serves as a catch-all for measurement and testing methods or apparatus that lack adequate coverage in more specific G01 subclasses, making it essential for inventions with broad or cross-disciplinary measurement applications.

Additional Content

Measuring not specially adapted for a specific variable . Measuring root mean square [RMS] values of currents or voltages Tariff meters . Tariff metering apparatus in taxi's, i.e. taximeters Apparatus actuated by coins, cards or the like with meter-controlled dispensing of liquid, gas, or electricity Tariff meters for measuring the time integral of electric power or current, e.g. electric consumption

Related Keywords

DAMPING of moving-parts of measuring-instruments in generalGRADUATINGINDICATING of measured values in generalLIGHTING of scales of measuring-instrumentsindicating or recording of measured values in generalMEASURING for which provision does not exist elsewherePEN(S) -recordersRECORDING of measured values, in generalREGISTERING of measured values in generalcompensating for the effects of TEMPERATURE change in measuring instruments in generalTRANSDUCERS other than for a single specified variable

11 direct subcodes

Child Classifications

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  • G01D 18/00 Testing or calibrating apparatus or arrangements provided for in groups

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