- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 8/00 - Cold traps; Cold baffles
Patent holdings for IPC class B01D 8/00
Total number of patents in this class: 166
10-year publication summary
|
14
|
8
|
12
|
6
|
13
|
14
|
11
|
14
|
10
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Heavy Industries, Ltd. | 1811 |
43 |
| Tokyo Electron Limited | 12090 |
7 |
| Edwards Vacuum LLC | 164 |
7 |
| Paragon Space Development Corporation | 46 |
5 |
| Eastman Chemical Company | 2257 |
4 |
| U.S. Bank Trust Co National Association | 76 |
4 |
| InstroTek, Inc. | 19 |
3 |
| Sumitomo (SHI) Cryogenics of America, Inc. | 80 |
3 |
| Applied Materials, Inc. | 17696 |
2 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3585 |
2 |
| Milaebo Co., Ltd. | 24 |
2 |
| Neal Energy Management, LLC | 4 |
2 |
| Praxair Technology, Inc. | 1336 |
2 |
| Saudi Arabian Oil Company | 12404 |
2 |
| Bluefors Cryogenics Oy Ltd | 2 |
2 |
| Hitachi High-Tech Corporation | 5028 |
2 |
| BASF SE | 20387 |
1 |
| Shell Internationale Research Maatschappij B.V. | 3721 |
1 |
| The Regents of the University of California | 19493 |
1 |
| Varian Semiconductor Equipment Associates, Inc. | 1252 |
1 |
| Other owners | 70 |