Hefei Changqing Machinery has a total of 611 patents globally, out of which 374 have been granted. Of these 611 patents, more than 34% patents are active. China is where Hefei Changqing Machinery has filed all their patents. Parallelly, China seems to be the main focused R&D centre and also is the origin country of Hefei Changqing Machinery.
Hefei Changqing Machinery was founded in 2004. Hefei Changqing Machinery, based in China, manufactures automotive parts. The company develops and produces automotive stamping, mold fixtures, and welding parts for various vehicles, including passenger cars, VIP cars, and commercial vehicles. Their products include chassis frames, air reservoirs, silencers, forklift roofs, stringers, and related accessories.
Do read about some of the most popular patents of Hefei Changqing Machinery which have been covered by us in this article and also you can find Hefei Changqing Machinery patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Hefei Changqing Machinery patent portfolio.
How many patents does Hefei Changqing Machinery have?
Hefei Changqing Machinery has a total of 611 patents globally. These patents belong to 611 unique patent families. Out of 611 patents, 212 patents are active.
How Many Patents did Hefei Changqing Machinery 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 | Hefei Changqing Machinery Applications Filed | Hefei Changqing Machinery Patents Granted |
| 2024 | – | 12 |
| 2023 | 42 | 36 |
| 2022 | 20 | 25 |
| 2021 | 39 | 25 |
| 2020 | 60 | 21 |
| 2019 | 59 | 19 |
| 2018 | 55 | 17 |
| 2017 | 57 | 31 |
| 2016 | 55 | 5 |
| 2015 | 28 | 39 |
| 2014 | 39 | 23 |
How many Hefei Changqing Machinery patents are Alive/Dead?
How Many Patents did Hefei Changqing Machinery File in Different Countries?
Hefei Changqing Machinery filled all their patents in China.
Where are Research Centers of Hefei Changqing Machinery Patents Located?
The Research Center of Hefei Changqing Machinery Patents is China.
10 Best Hefei Changqing Machinery Patents
CN112025172A, CN102366885A are the most popular patents in the Hefei Changqing Machinery portfolio. It has received 14 citations so far from companies.
Below is the list of 10 most cited patents of Hefei Changqing Machinery:
| Publication Number | Citation Count |
| CN112025172A | 14 |
| CN102366885A | 14 |
| CN109332979A | 12 |
| CN107717695A | 12 |
| CN107650139A | 12 |
| CN104551492A | 12 |
| CN204366305U | 10 |
| CN110779413A | 10 |
| CN110774042A | 10 |
| CN109612993A | 10 |
What are Hefei Changqing Machinery key innovation segments?
What Technologies are Covered by Hefei Changqing Machinery?
The chart below distributes patents filed by Hefei Changqing Machinery in different countries on the basis of the technology protected in patents. It also represents the markets where Hefei Changqing Machinery thinks it’s important to protect particular technology inventions.
R&D Focus: How has Hefei Changqing Machinery search focus changed over the years?
EXCLUSIVE INSIGHTS COMING SOON!
Interested in knowing about the areas of innovation that are being protected by Hefei Changqing Machinery?