Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Main Group
G01C 5/00

Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels (G01C3/20, G01C3/30 take precedence)

4 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • G01C 5/005
  • G01C 5/02 involving automatic stabilisation of the line of sight
  • G01C 5/04 Hydrostatic levelling, i.e. by flexibly interconnected liquid containers at separated points
  • G01C 5/06 by using barometric means

Top Applicants

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

  1. CHINESE ACADEMY OF SCIENCES 21,460
  2. ROBERT BOSCH DE 17,801
  3. SGCC(STATE GRID CORPORATION OF CHINA) 17,347
  4. SAMSUNG ELECTRONICS COMPANY KR 13,192
  5. QUALCOMM US 9,900
  6. HALLIBURTON ENERGY SERVICES GROUP US 9,742
  7. PHILIPS ELECTRONICS NL 7,249
  8. MITSUBISHI ELECTRIC CORPORATION JP 6,503
  9. ZHEJIANG UNIVERSITY 6,414
  10. DENSO CORPORATION JP 6,382