G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
Introduced: September 1968
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.
Title
Titles differ between systems:
IPC: 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
CPC: MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
Full Title
Full titles differ between systems:
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
MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
Additional Content IPC
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
Of 16 combined children, 11 exist in both systems.
5 codes are CPC-only extensions.
Note: 5 CPC extensions are marked as secondary classification only.
6 shared codes have differing titles between IPC and CPC.
Child Classifications
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- G01D 1/00 Measuring arrangements giving results other than momentary value of variable, of general application (G01D3/00 takes precedence; in tariff metering apparatus G01D4/00; transducers not specially adapted for a specific variable G01D5/00) IPC+CPC Available in IPC and CPC
- G01D 11/00 Component parts of measuring arrangements not specially adapted for a specific variable (G01D13/00, G01D15/00 take precedence) IPC+CPC Available in IPC and CPC
- G01D 13/00 Component parts of indicators for measuring arrangements not specially adapted for a specific variable IPC+CPC Available in IPC and CPC
- G01D 15/00 Component parts of recorders for measuring arrangements not specially adapted for a specific variable +1 CPC IPC+CPC Available in IPC and CPC
- G01D 18/00 Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00 +3 CPC IPC+CPC Available in IPC and CPC
- G01D 2204/00 Indexing scheme relating to details of tariff-metering apparatus 2nd only +4 CPC CPC only CPC only
- G01D 2205/00 Indexing scheme relating to details of means for transferring or converting the output of a sensing member 2nd only +10 CPC CPC only CPC only
- G01D 2207/00 Indexing scheme relating to details of indicating measuring values 2nd only +3 CPC CPC only CPC only
- G01D 2213/00 Indexing scheme relating to constructional details of indicators 2nd only +2 CPC CPC only CPC only
- G01D 2218/00 Indexing scheme relating to details of testing or calibration 2nd only +1 CPC CPC only CPC only
- G01D 3/00 Indicating or recording apparatus with provision for the special purposes referred to in the subgroups IPC+CPC Available in IPC and CPC
- G01D 4/00 Tariff metering apparatus (in taximeters G07B13/00; apparatus actuated by coins, cards or the like with meter-controlled dispensing of liquid, gas, or electricity G07F15/00) +2 CPC IPC+CPC Available in IPC and CPC
- G01D 5/00 Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable (G01D3/00 takes precedence; specially adapted for apparatus giving results other than momentary value of variable G01D1/00) IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class G01,2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 41,447
- CHINESE ACADEMY OF SCIENCES 32,952
- ROBERT BOSCH DE 16,470
- SAMSUNG ELECTRONICS COMPANY KR 10,052
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 9,573
- ZHEJIANG UNIVERSITY 9,529
- GUANGDONG POWER GRID CORPORATION 8,615
- TSINGHUA UNIVERSITY 7,805
- HALLIBURTON ENERGY SERVICES GROUP US 7,796
- QUALCOMM US 7,171
Top Applicants (CPC)
Class G01,2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 21,460
- ROBERT BOSCH DE 17,801
- SGCC(STATE GRID CORPORATION OF CHINA) 17,347
- SAMSUNG ELECTRONICS COMPANY KR 13,192
- QUALCOMM US 9,900
- HALLIBURTON ENERGY SERVICES GROUP US 9,742
- PHILIPS ELECTRONICS NL 7,249
- MITSUBISHI ELECTRIC CORPORATION JP 6,503
- ZHEJIANG UNIVERSITY 6,414
- DENSO CORPORATION JP 6,382