- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 1/04 - Treatment of water, waste water, or sewage by heating by distillation or evaporation
Patent holdings for IPC class C02F 1/04
Total number of patents in this class: 2059
10-year publication summary
|
163
|
194
|
204
|
176
|
165
|
177
|
153
|
156
|
135
|
100
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 14369 |
46 |
| DEKA Products Limited Partnership | 1913 |
43 |
| Veolia Water Technologies, Inc. | 83 |
34 |
| Gradiant Corporation | 151 |
32 |
| Massachusetts Institute of Technology | 10305 |
27 |
| Aramco Services Company | 4190 |
23 |
| King Fahd University of Petroleum and Minerals | 1601 |
17 |
| Mitsubishi Heavy Industries, Ltd. | 9204 |
16 |
| Verno Holdings, LLC | 25 |
15 |
| Heartland Water Technology, Inc. | 34 |
15 |
| Saltworks Technologies Inc. | 100 |
14 |
| Sasakura Engineering Co., Ltd. | 51 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 34471 |
13 |
| 77 Vision Way Ltd | 23 |
13 |
| Siemens AG | 23956 |
12 |
| Katz Water Tech, LLC | 32 |
12 |
| BASF SE | 21320 |
11 |
| LG Chem, Ltd. | 17970 |
11 |
| AquaSource Technologies Corporation | 21 |
11 |
| ENI S.p.A. | 1317 |
10 |
| Other owners | 1670 |