China Southern Airlines has a total of 807 patents globally, out of which 620 have been granted. Of these 807 patents, more than 84% patents are active. China is where China Southern Airlines has filed the maximum number of patents, followed by Japan and the USA. Parallelly, China seems to be the main focused R&D center and also China is the origin country of China Southern Airlines.
China Southern Airlines was founded in the year 1988. The Company provides air transportation services and also offers passenger and freight air transportation services, aviation equipment maintenance and aircraft leasing services. Shanghai Airlines also provides ticket and hotel booking and consulting services. China Southern Airlines provides services worldwide.
Do read about some of the most popular patents of China Southern Airlines which have been covered by us in this article and also you can find China Southern Airlines patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over China Southern Airlines patent portfolio.
How many patents does China Southern Airlines have?
China Southern Airlines has a total of 807 patents globally. These patents belong to 803 unique patent families. Out of 807 patents, 679 patents are active.
How Many Patents did China Southern Airlines File Every Year?
| Year of Patents Filing or Grant | China Southern Airlines Applications Filed | China Southern Airlines Patents Granted |
| 2023 | – | 44 |
| 2022 | 138 | 142 |
| 2021 | 126 | 83 |
| 2020 | 80 | 48 |
| 2019 | 83 | 46 |
| 2018 | 75 | 32 |
| 2017 | 43 | 56 |
| 2016 | 90 | 48 |
| 2015 | 40 | 32 |
| 2014 | 24 | 23 |
| 2013 | 47 | 19 |
| 2012 | 17 | 11 |
| 2011 | 12 | 13 |
How many China Southern Airlines patents are Alive/Dead?
Worldwide Patents
How Many Patents did China Southern Airlines File in Different Countries?
Countries in which China Southern Airlines Filed Patents
| Country | Patents |
| China | 801 |
| Japan | 3 |
| United States Of America | 3 |
Where are Research Centers of China Southern Airlines Patents Located?
The research center for all the China Southern Airlines patents is the China.
10 Best China Southern Airlines Patents
CN201757767U is the most popular patent in the China Southern Airlines portfolio. It has received 40 citations so far from companies like Beijing Huali Zhifei Technology, Siemens CNC (Nanjing) Co and Zheku Technology (Beijing) Co Ltd.
Below is the list of 10 most cited patents of China Southern Airlines:
| Publication Number | Citation Count |
| CN201757767U | 40 |
| CN201421487Y | 29 |
| CN102522025A | 27 |
| CN102081814A | 25 |
| CN103336194A | 24 |
| CN108021670A | 22 |
| CN102542404A | 20 |
| CN202442867U | 18 |
| CN201876368U | 15 |
| CN203217056U | 13 |