Camfil has a total of 650 patents globally, out of which 486 have been granted. Of these 650 patents, more than 65% patents are active. Europe (EPO) is where Camfil has filed the maximum number of patents, followed by Germany and United States of America. Parallelly, Germany seems to be the main focused R&D centre and also Sweden is the origin country of Camfil.
Camfil was founded in the year 1963. The Company manufactures and distributes air filtration systems. The Company provides a range of air filters for various applications, including automotive, air pollution, dust control, biopharmaceutical, and many other applications.
Do read about some of the most popular patents of Camfil which have been covered by us in this article and also you can find Camfil patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Camfil patent portfolio.
How many patents does Camfil have?
Camfil has a total of 650 patents globally. These patents belong to 151 unique patent families. Out of 650 patents, 426 patents are active.
How Many Patents did Camfil 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 | Camfil Applications Filed | Camfil Patents Granted |
| 2024 | 1 | 30 |
| 2023 | 19 | 38 |
| 2022 | 23 | 35 |
| 2021 | 25 | 49 |
| 2020 | 52 | 41 |
| 2019 | 27 | 27 |
| 2018 | 13 | 30 |
| 2017 | 48 | 42 |
| 2016 | 37 | 17 |
| 2015 | 42 | 16 |
| 2014 | 56 | 55 |
| 2013 | 31 | 17 |
How many Camfil patents are Alive/Dead?
How Many Patents did Camfil File in Different Countries?
Countries in which Camfil Filed Patents
| Country | Patents |
| Europe (EPO) | 113 |
| Germany | 99 |
| United States of America | 79 |
| Austria | 45 |
| Sweden | 30 |
| China | 27 |
| Canada | 26 |
| United Kingdom | 25 |
| Spain | 20 |
| Italy | 16 |
| Denmark | 16 |
| Slovakia | 12 |
| Taiwan | 10 |
| Norway | 9 |
| Japan | 8 |
| Brazil | 8 |
| India | 7 |
| Malaysia | 7 |
| Singapore | 6 |
| Poland | 5 |
| Korea (South) | 4 |
| Turkey | 3 |
| Mexico | 2 |
| Australia | 1 |
| Saudi Arabia | 1 |
| Hong Kong (S.A.R.) | 1 |
| United Arab Emirates | 1 |
| Portugal | 1 |
| France | 1 |
Where are Research Centres of Camfil Patents Located?
10 Best Camfil Patents
USD791297S1 is the most popular patent in the Camfil portfolio. It has received 59 citations so far from companies like Blueair Ab, Amazon and Microsoft.
Below is the list of 10 most cited patents of Camfil:
| Publication Number | Citation Count |
| USD791297S1 | 59 |
| WO2017146637A1 | 30 |
| US7931726B2 | 24 |
| US7947101B2 | 20 |
| US8425644B2 | 18 |
| WO2013178281A1 | 18 |
| US20090249895A1 | 18 |
| WO2010101520A1 | 16 |
| US6821310B2 | 16 |
| WO2011000437A1 | 15 |
What are Camfil key innovation segments?
What Technologies are Covered by Camfil?
The chart below distributes patents filed by Camfil in different countries on the basis of the technology protected in patents. It also represents the markets where Camfil thinks it’s important to protect particular technology inventions.
R&D Focus: How has Camfil search focus changed over the years?
EXCLUSIVE INSIGHTS COMING SOON!
Interested in knowing about the areas of innovation that are being protected by Camfil?