IPC Subgroup
G01B 3/1 Measuring tapes
Introduced: September 1968
Last revised: January 2020
Full Title
Measuring instruments characterised by the use of mechanical techniques > Measuring tapes
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
Related Keywords
REELS for measuring tapesWINDING of measuring tapes
7 direct subcodes
Child Classifications
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- G01B 3/1003 characterised by structure or material; characterised by layout or indicia
- G01B 3/1005 Means for controlling winding or unwinding of tapes
- G01B 3/1041 characterised by casings
- G01B 3/1056 Tape end arrangements, e.g. end-hooks
- G01B 3/1061 Means for displaying or assisting reading of length measurement
- G01B 3/1071 Separate means for supporting or affixing measuring tapes
- G01B 3/1084 Tapes combined with arrangements for functions other than the measuring of lengths
Top Applicants
Top 10 applicants by patent filingsfor 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