Time interval

1985-2023

---

Field display

China's provincial green patent authorization table - based on the first-level classification
Province code
Province
Authorization year
Authorization month
Green patent main classification
Green patent first-level sub-classification
Number of invention patents authorized
Number of utility model patents authorized

---

Sample data

< td>2 d>01 1 d>01 tr> tr> < td>2 < td>41 < td>0

Province	Province code	Year of authorization	Month of authorization	Main classification of green patents	First-level subclassification of green patents	Number of invention patents authorized	Number of utility model patents authorized
Zhejiang Province	33	2020	2	WASTE MANAGEMENT	Treatment of waste	0	13
Zhejiang Province	33	2020	3	ALTERNATIVE ENERGY PRODUCTION	Pyrolysis or gasification of biomass	0	1
Zhejiang Province	33	2020	3	TRANSPORTATION	Marine vessel propulsion	0	1
Zhejiang Province	33	2020	4	ENERGY CONSERVATION	Storage of thermal energy	0	10
Zhejiang Province	33	2020	4	TRANSPORTATION	Marine vessel propulsion	0	1
Zhejiang Province	33	2020	5	ALTERNATIVE ENERGY PRODUCTION	Devices for producing mechanical power from muscle energy	0
Zhejiang Province	33	2020	5	ALTERNATIVE ENERGY PRODUCTION	Integrated gasification combined cycle (IGCC)	0	4
Zhejiang Province	33	2020	5	ALTERNATIVE ENERGY PRODUCTION	Other production or use of heat, not derived from combustion, eg natural heat	17
Zhejiang Province	33	2020	6	ALTERNATIVE ENERGY PRODUCTION	Other production or use of heat, not derived from combustion, eg natural heat	0	14
Zhejiang Province	33	2020	6	TRANSPORTATION	Marine vessel propulsion	0	2
Zhejiang Province	33	2020	9	NUCLEAR POWER GENERATION	Nuclear engineering	0	3
Zhejiang Province	33	2020	10	ALTERNATIVE ENERGY PRODUCTION	Devices for producing mechanical power from muscle energy	0
Zhejiang Province	33	2020	10	ALTERNATIVE ENERGY PRODUCTION	Integrated gasification combined cycle (IGCC)	0	4
Zhejiang Province	33	2020	11	ENERGY CONSERVATION	Recovering mechanical energy	0	1
Zhejiang Province	33	2020	12	ALTERNATIVE ENERGY PRODUCTION	Devices for producing mechanical power from muscle energy	0	3
Zhejiang Province	33	2020	12	TRANSPORTATION	Marine vessel propulsion	0	2
Zhejiang Province	33	2021	1	AGRICULTURE/FORESTRY	Forestry techniques	0	12
Zhejiang Province	33	2021	1	ALTERNATIVE ENERGY PRODUCTION	Devices for producing mechanical power from muscle energy	0
Zhejiang Province	33	2021	1	ALTERNATIVE ENERGY PRODUCTION	Integrated gasification combined cycle (IGCC)	0	1
Zhejiang Province	33	2021	1	ALTERNATIVE ENERGY PRODUCTION	Other production or use of heat, not derived from combustion, eg natural heat	11
Zhejiang Province	33	2021	1	NUCLEAR POWER GENERATION	Nuclear engineering	0	3
Zhejiang Province	33	2021	1	TRANSPORTATION	Cosmonautic vehicles using solar energy	0	2
Zhejiang Province	33	2021	2	ADMINISTRATIVE, REGULATORY OR DESIGN ASPECTS	Static structure design	0	19
Zhejiang Province	33	2021	2	ALTERNATIVE ENERGY PRODUCTION	Devices for producing mechanical power from muscle energy	0
Zhejiang Province	33	2021	2	ALTERNATIVE ENERGY PRODUCTION	Other production or use of heat, not derived from combustion, eg natural heat	0	12
Zhejiang Province	33	2021	2	NUCLEAR POWER GENERATION	Nuclear engineering	0	7
Zhejiang Province	33	2021	2	TRANSPORTATION	Marine vessel propulsion	0	2
Zhejiang Province	33	2021	3	AGRICULTURE/FORESTRY	Forestry techniques	0	4
Zhejiang Province	33	2021	3	ALTERNATIVE ENERGY PRODUCTION	Pyrolysis or gasification of biomass	0	6
Zhejiang Province	33	2021	5	AGRICULTURE/FORESTRY	Alternative irrigation techniques	0	36
Zhejiang Province	33	2021	5	ALTERNATIVE ENERGY PRODUCTION	Devices for producing mechanical power from muscle energy	0	1
Zhejiang Province	33	2021	5	ALTERNATIVE ENERGY PRODUCTION	Integrated gasification combined cycle (IGCC)	0
Zhejiang Province	33	2021	5	ENERGY CONSERVATION	Low energy lighting	0	6
Zhejiang Province	33	2021	7	ALTERNATIVE ENERGY PRODUCTION	Integrated gasification combined cycle (IGCC)	0
Zhejiang Province	33	2021	7	TRANSPORTATION	Marine vessel propulsion	0	2
Zhejiang Province	33	2021	8	ALTERNATIVE ENERGY PRODUCTION	Integrated gasification combined cycle (IGCC)	0	2
Zhejiang Province	33	2021	8	ALTERNATIVE ENERGY PRODUCTION	Ocean thermal energy conversion (OTEC)	0	1
Zhejiang Province	33	2021	8	TRANSPORTATION	Marine vessel propulsion	0	1
Zhejiang Province	33	2021	9	ALTERNATIVE ENERGY PRODUCTION	Integrated gasification combined cycle (IGCC)	0	1
Zhejiang Province	33	2021	9	NUCLEAR POWER GENERATION	Nuclear engineering	0	1
Zhejiang Province	33	2021	10	AGRICULTURE/FORESTRY	Forestry techniques	0	3
Zhejiang Province	33	2021	10	ALTERNATIVE ENERGY PRODUCTION	Devices for producing mechanical power from muscle energy	0
Zhejiang Province	33	2021	10	ALTERNATIVE ENERGY PRODUCTION	Integrated gasification combined cycle (IGCC)	0	3
Zhejiang Province	33	2021	10	ALTERNATIVE ENERGY PRODUCTION	Other production or use of heat, not derived from combustion, eg natural heat	8
Zhejiang Province	33	2021	10	TRANSPORTATION	Marine vessel propulsion	0	2
Zhejiang Province	33	2021	11	ALTERNATIVE ENERGY PRODUCTION	Integrated gasification combined cycle (IGCC)	0	1
Zhejiang Province	33	2021	11	ENERGY CONSERVATION	Recovering mechanical energy	0	1
Zhejiang Province	33	2021	11	TRANSPORTATION	Marine vessel propulsion	0	1
Zhejiang Province	33	2021	12	ALTERNATIVE ENERGY PRODUCTION	Integrated gasification combined cycle (IGCC)	0	2
Zhejiang Province	33	2021	12	TRANSPORTATION	Marine vessel propulsion	0	1

---

Data update frequency

Annual update