China Gas has a total of 1288 patents globally, out of which 1029 have been granted. Of these 1288 patents, more than 66% patents are active. China is where China Gas has filed the maximum number of patents, followed by Hong Kong, it has generated an annual revenue of $11.27 billion in the year 2022. Parallelly, China seems to be the main focused R&D center of China Gas.
China Gas was founded in the year 1995. The company is a Chinese natural gas company principally engaged in the distribution of natural gas in 273 Chinese cities.
Do read about some of the most popular patents of China Gas which have been covered by us in this article and also you can find China Gas patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over China Gas patent portfolio.
How many patents does China Gas have?
China Gas has a total of 1288 patents globally. These patents belong to 1287 unique patent families. Out of 1288 patents, 862 patents are active.
How Many Patents did China 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 | China Gas Applications Filed | China Gas Patents Granted |
| 2022 | 111 | 185 |
| 2021 | 236 | 155 |
| 2020 | 177 | 184 |
| 2019 | 196 | 100 |
| 2018 | 142 | 101 |
| 2017 | 86 | 42 |
| 2016 | 50 | 42 |
| 2015 | 57 | 39 |
| 2014 | 79 | 40 |
| 2013 | 67 | 36 |
| 2012 | 31 | 14 |
| 2011 | 13 | 9 |
How many China Gas patents are Alive/Dead?
Worldwide Patents
How Many Patents did China Gas File in Different Countries?
Where are Research Centers of China Gas Patents Located?
10 Best China Gas Patents
CN104388068A is the most popular patent in the China Gas portfolio. It has received 29 citations so far.
Below is the list of 10 most cited patents of China Gas:
| Publication Number | Citation Count |
| CN104388068A | 29 |
| CN105741377A | 22 |
| CN104479731A | 22 |
| CN104376450A | 22 |
| CN204062465U | 20 |
| CN201865777U | 20 |
| CN101734703A | 20 |
| CN104388070A | 17 |
| CN104356294A | 16 |
| CN104592965A | 14 |
What are China Gas’ key innovation segments?
What Technologies are Covered by China Gas?
The chart below distributes patents filed by China Gas