Hydranautics has a total of 125 patents globally, out of which 74 have been granted. Of these 125 patents, more than 13% patents are active. Europe (EPO) is where Hydranautics has filed the maximum number of patents, followed by United States of America and Germany. Parallelly, United States of America seems to be the main focused R&D centre and also is origin country of Hydranautics.
Hydranautics was founded in 1963. Hydranautics, a Nitto Group company, is a global leader in membrane separation technology, offering advanced RO, NF, UF, and MF solutions for desalination, wastewater, and industrial water treatment worldwide.
Do read about some of the most popular patents of Hydranautics which have been covered by us in this article and also you can find Hydranautics patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Hydranautics patent portfolio.
How many patents does Hydranautics have?
Hydranautics has a total of 125 patents globally. These patents belong to 26 unique patent families. Out of 125 patents, 17 patents are active.
How Many Patents did Hydranautics 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 | Hydranautics Applications Filed | Hydranautics Patents Granted |
| 2025 | – | 1 |
| 2023 | 1 | – |
| 2022 | 1 | – |
| 2021 | 3 | – |
| 2020 | 13 | – |
| 2019 | 1 | – |
| 2017 | – | 4 |
| 2016 | – | 4 |
| 2015 | – | 1 |
| 2014 | 1 | 6 |
How many Hydranautics patents are Alive/Dead?
Worldwide Patents
How Many Patents did Hydranautics File in Different Countries?
Countries in which Hydranautics Filed Patents
| Country | Patents |
| Europe (EPO) | 20 |
| United States of America | 19 |
| Germany | 11 |
| Spain | 9 |
| Austria | 9 |
| Japan | 7 |
| Israel | 6 |
| India | 6 |
| Australia | 5 |
| Singapore | 5 |
| Korea (South) | 4 |
| Denmark | 2 |
| Taiwan | 1 |
| Brazil | 1 |
| Hungary | 1 |
| Canada | 1 |
Where are Research Centers of Hydranautics Patents Located?
10 Best Hydranautics Patents
US7378024B2 is the most popular patent in the Hydranautics portfolio. It has received 65 citations so far from companies like Siemens Industry, Municipal Filtration Company, Evoqua Water Technologies.
Below is the list of 10 most cited patents of Hydranautics:
| Publication Number | Citation Count |
| US7378024B2 | 65 |
| US7481917B2 | 58 |
| US7531042B2 | 42 |
| US20090314713A1 | 38 |
| US8388842B2 | 36 |
| US7442309B2 | 33 |
| US7736495B2 | 29 |
| US8617397B2 | 24 |
| US20050147757A1 | 23 |
| US7584061B2 | 22 |
What Percentage of Hydranautics US Patent Applications were Granted?
Hydranautics (Excluding its subsidiaries) has filed 35 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 19 have been granted leading to a grant rate of 67.86%.
Below are the key stats of Hydranautics patent prosecution at the USPTO.
Which Law Firms are managing US Patents for Hydranautics?
| Law Firm | Total Applications | Success Rate |
| Panitch Schwarze | 21 | 30.77% |
| Knobbe Martens Olson & Bear Llp | 5 | 80.00% |
| Baker Botts Llp | 1 | 100.00% |
| Gordon & Rees Llp | 1 | 100.00% |
| Hsml PC | 1 | 0% |
| Hydranautics | 1 | 100.00% |
| Kilpatrick Townsend & Stockton Llp | 1 | 100.00% |
| Mcdermott Will & Emery Llp | 1 | 0.00% |
| Osha Bergman Watanabe & Burton Llp | 1 | 100.00% |
| Sughrue Mion Zinn Macpeak & Seas | 2 | 100.00% |
What are Hydranautics key innovation segments?
What Technologies are Covered by Hydranautics?
The chart below distributes patents filed by Hydranautics in different countries on the basis of the technology protected in patents. It also represents the markets where Hydranautics thinks it’s important to protect particular technological inventions.
R&D Focus: How has Hydranautics search focus changed over the years?
EXCLUSIVE INSIGHTS COMING SOON!
Interested in knowing about the areas of innovation that are being protected by Hydranautics?
