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IPC Subgroup
H01M 8/0271

Sealing or supporting means around electrodes, matrices or membranes

Introduced: January 2016

Full Title

Fuel cells; Manufacture thereof > Details > Sealing or supporting means around electrodes, matrices or membranes

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC ELEMENTS
Subclass:
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY

4 direct subcodes

Child Classifications

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  • H01M 8/0273 with sealing or supporting means in the form of a frame
  • H01M 8/0276 Sealing means characterised by their form
  • H01M 8/0286 Processes for forming seals

Top Applicants

Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 43,574
  2. SAMSUNG ELECTRONICS COMPANY KR 42,206
  3. LG CHEM KR 21,383
  4. APPLIED MATERIALS US 20,441
  5. LG ENERGY SOLUTION KR 20,279
  6. SAMSUNG DISPLAY KR 19,725
  7. CHINESE ACADEMY OF SCIENCES 19,400
  8. TOYOTA MOTOR CORPORATION 18,819
  9. SGCC(STATE GRID CORPORATION OF CHINA) 18,082
  10. TOKYO ELECTRON JP 17,634