- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 17/05 - Preparation of sulfurPurification from gaseous sulfur compounds including gaseous sulfides by wet processes
Patent holdings for IPC class C01B 17/05
Total number of patents in this class: 83
10-year publication summary
|
5
|
9
|
3
|
8
|
6
|
1
|
0
|
4
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Paqell B.V. | 26 |
7 |
| Merichem Technologies, LLC | 63 |
6 |
| Siemens AG | 23943 |
4 |
| Paques I.P. B.V. | 69 |
4 |
| Phillips 66 Company | 1015 |
4 |
| Bill Archer LLC | 4 |
4 |
| Streamline Innovations, Inc. | 68 |
4 |
| Gas Technology Institute | 329 |
3 |
| Beijing Huashi United Energy Technology and Development Co., Ltd. | 15 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3377 |
2 |
| Biosystems Consulting, Inc. DBA Advanced Oxidation Technology | 3 |
2 |
| Cabot Corporation | 548 |
2 |
| Merichem Company | 24 |
2 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2464 |
2 |
| Neste Oil Oyj | 92 |
2 |
| Saudi Arabian Oil Company | 14416 |
2 |
| Frames Biogas Processing B.V. | 2 |
2 |
| GERNTHOLTZ, Otto, Carl | 14 |
2 |
| BASF SE | 21334 |
1 |
| Siemens Energy, Inc. | 1673 |
1 |
| Other owners | 24 |