- 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: 91
10-year publication summary
|
3
|
5
|
9
|
3
|
8
|
6
|
1
|
0
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Paqell B.V. | 27 |
7 |
| Bill Archer LLC | 6 |
6 |
| ENI S.p.A. | 1261 |
5 |
| Siemens AG | 24484 |
4 |
| Paques I.P. B.V. | 67 |
4 |
| Phillips 66 Company | 1054 |
4 |
| Streamline Innovations, Inc. | 60 |
4 |
| Merichem Technologies, LLC | 64 |
4 |
| Gas Technology Institute | 353 |
3 |
| Beijing Huashi United Energy Technology and Development Co., Ltd. | 15 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3540 |
2 |
| Biosystems Consulting, Inc. DBA Advanced Oxidation Technology | 3 |
2 |
| Cabot Corporation | 551 |
2 |
| MECS, Inc. | 75 |
2 |
| Merichem Company | 25 |
2 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2376 |
2 |
| Neste Oil Oyj | 110 |
2 |
| Neste Oyj | 790 |
2 |
| Saudi Arabian Oil Company | 13155 |
2 |
| Frames Biogas Processing B.V. | 2 |
2 |
| Other owners | 27 |