CPC Main Group Additional Only
Y02A 20/00 Water conservation; Efficient water supply; Efficient water use
8 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- Y02A 20/108 Rainwater harvesting
- Y02A 20/124 Water desalination
- Y02A 20/146 using grey water
- Y02A 20/15 Leakage reduction or detection in water storage or distribution
- Y02A 20/152 Water filtration
- Y02A 20/20 Controlling water pollution; Waste water treatment
- Y02A 20/30 Relating to industrial water supply, e.g. used for cooling
- Y02A 20/40 Protecting water resources
Top Applicants
Top 10 applicants by patent filingsfor class Y02, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 30,705
- TOYOTA MOTOR CORPORATION 29,065
- SGCC(STATE GRID CORPORATION OF CHINA) 22,908
- LG CHEM KR 22,513
- LG ENERGY SOLUTION KR 20,650
- TOYOTA MOTOR CORPORATION JP 18,015
- HYUNDAI MOTOR COMPANY KR 17,857
- ROBERT BOSCH DE 16,262
- SAMSUNG ELECTRONICS COMPANY KR 14,408
- GE (GENERAL ELECTRIC COMPANY) US 12,474