- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 1/16 - Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes
Patent holdings for IPC class C02F 1/16
Total number of patents in this class: 315
10-year publication summary
|
38
|
34
|
64
|
32
|
25
|
22
|
19
|
25
|
13
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13949 |
24 |
| DEKA Products Limited Partnership | 1867 |
16 |
| Aramco Services Company | 4162 |
14 |
| Siemens AG | 24177 |
13 |
| Heartland Water Technology, Inc. | 35 |
10 |
| AquaSource Technologies Corporation | 21 |
5 |
| Katz Water Tech, LLC | 31 |
5 |
| FUJIFILM Corporation | 30296 |
4 |
| Air Products and Chemicals, Inc. | 1466 |
4 |
| Sasakura Engineering Co., Ltd. | 51 |
4 |
| Nuovo Pignone Tecnologie S.r.l. | 1166 |
4 |
| Hitachi, Ltd. | 15920 |
3 |
| Microsoft Technology Licensing, LLC | 54275 |
3 |
| Heartland Technology Partners LLC | 17 |
3 |
| Suez International | 365 |
3 |
| Cloudburst International, Inc. | 4 |
3 |
| Undesert Corporation | 4 |
3 |
| LG Chem, Ltd. | 17867 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 9034 |
2 |
| Oracle International Corporation | 13477 |
2 |
| Other owners | 188 |