Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
G01T 7/12

Provision for actuation of an alarm

Introduced: September 1968

Last revised: January 2006

Full Title

Details of radiation-measuring instruments > Provision for actuation of an alarm

Classification Context

Section:
PHYSICS
Class:
MEASURING; TESTING
Subclass:
MEASUREMENT OF NUCLEAR OR X-RADIATION

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