ENN Natural Gas has a total of 1049 patents globally, out of which 911 have been granted. Of these 1049 patents, more than 85% patents are active. China is where ENN Natural Gas has filed the maximum number of patents, followed by Canada and Indonesia. Parallelly, China seems to be the main focused R&D centre and also is the origin country of ENN Natural Gas.
ENN Natural Gas was founded in 1992. ENN Natural Gas provides engineering services for natural gas. The business offers services for distribution of energy equipment, building gas stations, and investing in natural gas engineering. Additionally, ENN Natural Gas runs trading operations for coal, chemicals, and biopharmaceuticals. As of May 2023, the market cap of ENN Natural Gas is $9.01 Billion
Do read about some of the most popular patents of ENN Natural Gas which have been covered by us in this article and also you can find ENN Natural Gas patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over ENN Natural Gas patent portfolio.
How many patents does ENN Natural Gas have?
ENN Natural Gas has a total of 1049 patents globally. These patents belong to 1049 unique patent families. Out of 1049 patents, 893 patents are active.
How Many Patents did ENN Natural Gas File Every Year?
Are you wondering why there is a drop in patent filing for the last two years? It is because a patent application can take up to 18 months to get published. Certainly, it doesn’t suggest a decrease in the patent filing.
| Year of Patents Filing or Grant | ENN Natural Gas Applications Filed | ENN Natural Gas Patents Granted |
| 2023 | 2 | 41 |
| 2022 | 90 | 109 |
| 2021 | 82 | 90 |
| 2020 | 109 | 106 |
| 2019 | 121 | 82 |
| 2018 | 120 | 197 |
| 2017 | 261 | 115 |
| 2016 | 48 | 21 |
| 2015 | 33 | 36 |
| 2014 | 21 | 37 |
| 2013 | 40 | 18 |
| 2012 | 34 | 27 |
| 2011 | 25 | 11 |
How many ENN Natural Gas patents are Alive/Dead?
Worldwide Patents
How Many Patents did ENN Natural Gas File in Different Countries?
Countries in which ENN Natural Gas Filed Patents
| Country | Patent |
| China | 1042 |
| Canada | 3 |
| Indonesia | 2 |
| United States Of America | 1 |
| India | 1 |
Where are Research Centers of ENN Natural Gas Patents Located?
The Research Centers of ENN Natural Gas Patents is China.
10 Best ENN Natural Gas Patents
CN1775027A is the most popular patent in the ENN Natural Gas portfolio. It has received 32 citations so far from companies like Hebei Weiyuan Biochemical, Jiangsu Renxin Chemical, Hebei Weiyuan Biochemical Pesticide.
Below is the list of 10 most cited patents of ENN Natural Gas:
| Publication Number | Citation Count |
| CN1775027A | 32 |
| CN202361751U | 24 |
| CN201419074Y | 24 |
| CN101804314A | 24 |
| CN203731079U | 20 |
| CN102041118A | 20 |
| CN102903268A | 19 |
| CN101921641A | 19 |
| CN102676588A | 18 |
| CN1788563A | 18 |
What are ENN Natural Gas key innovation segments?
What Technologies are Covered by ENN Natural Gas?
The chart below distributes patents filed by ENN Natural Gas