- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 1/20 - Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
Patent holdings for IPC class C02F 1/20
Total number of patents in this class: 1280
10-year publication summary
|
107
|
110
|
91
|
93
|
98
|
85
|
85
|
91
|
104
|
76
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kurita Water Industries Ltd. | 1302 |
54 |
| Evoqua Water Technologies LLC | 930 |
31 |
| Organo Corporation | 558 |
28 |
| Mitsubishi Heavy Industries, Ltd. | 9295 |
24 |
| Veolia Water Solutions & Technologies Support | 534 |
20 |
| Orege | 40 |
17 |
| Anaergia Inc. | 106 |
12 |
| Massachusetts Institute of Technology | 10339 |
11 |
| Nomura Micro Science Co., Ltd. | 90 |
11 |
| Anschutz Exploration Corporation | 11 |
9 |
| Saudi Arabian Oil Company | 14469 |
9 |
| Suez International | 383 |
9 |
| Heartland Water Technology, Inc. | 33 |
8 |
| Chevron U.S.A. Inc. | 4195 |
7 |
| Veolia Water Technologies, Inc. | 84 |
7 |
| Hitachi, Ltd. | 16272 |
6 |
| Bion Environmental Technologies, Inc. | 7 |
6 |
| Covestro Deutschland AG | 2858 |
6 |
| Searen, LLC | 10 |
6 |
| Samsung Electronics Co., Ltd. | 160170 |
5 |
| Other owners | 994 |