- All sections
- B - Performing operationstransporting
- B01L - Chemical or physical laboratory apparatus for general use
- B01L 1/04 - Dust-free rooms or enclosures
Patent holdings for IPC class B01L 1/04
Total number of patents in this class: 201
10-year publication summary
|
22
|
15
|
24
|
20
|
19
|
27
|
23
|
8
|
7
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| G-con Manufacturing, Inc. | 27 |
11 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1456 |
8 |
| Skan AG | 60 |
8 |
| Vanrx Pharmasystems Inc. | 85 |
7 |
| Genesis Technologies Limited | 32 |
6 |
| Waldner Laboreinrichtungen GmbH & Co. KG | 12 |
5 |
| Futrfab, Inc | 22 |
4 |
| Synergy Med Global Design Solutions, LLC | 7 |
4 |
| PHC Holdings Corporation | 717 |
4 |
| Qlean Air Scandinavia AB | 11 |
4 |
| EMD Millipore Corporation | 649 |
3 |
| Airex Co., Ltd. | 83 |
3 |
| Camfil AB | 226 |
3 |
| I.M.A. Industria Macchine Automatiche S.p.A. | 471 |
3 |
| Metall + Plastic GmbH | 15 |
3 |
| Vetter Pharma-fertigung GmbH & Co. KG | 155 |
3 |
| Getinge Life Science France | 46 |
3 |
| Philip Morris Products S.A. | 7634 |
2 |
| Merck Patent GmbH | 5830 |
2 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8478 |
2 |
| Other owners | 113 |