- All sections
- C - Chemistry; metallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 1/02 - Treatment of water, waste water, or sewage by heating
Patent holdings for IPC class C02F 1/02
Total number of patents in this class: 733
10-year publication summary
|
55
|
82
|
64
|
78
|
78
|
58
|
60
|
68
|
54
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Veolia Water Solutions & Technologies Support | 547 |
10 |
| Cambi Technology AS | 38 |
9 |
| Evoqua Water Technologies LLC | 904 |
8 |
| Outset Medical, Inc. | 58 |
8 |
| BASF SE | 19740 |
7 |
| Anaergia Inc. | 111 |
7 |
| Gambro Lundia AB | 1383 |
7 |
| LG Electronics Inc. | 69257 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
5 |
| Baxter International Inc. | 2425 |
5 |
| Baxter Healthcare S.A. | 1810 |
5 |
| Battelle Memorial Institute | 2356 |
5 |
| Bion Environmental Technologies, Inc. | 8 |
5 |
| Covestro Deutschland AG | 2429 |
5 |
| FUJIFILM Corporation | 27102 |
4 |
| Clean Chemistry, Inc. | 33 |
4 |
| Gradiant Corporation | 123 |
4 |
| Rinnai America Corporation | 95 |
4 |
| Saudi Arabian Oil Company | 11322 |
4 |
| United Laboratories International, LLC | 69 |
4 |
| Other owners | 617 |