- All sections
- B - Performing operations; transporting
- 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: 192
10-year publication summary
|
12
|
22
|
15
|
24
|
19
|
19
|
27
|
23
|
7
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| G-con Manufacturing, Inc. | 23 |
11 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
8 |
| Skan AG | 53 |
8 |
| Genesis Technologies Limited | 36 |
6 |
| Vanrx Pharmasystems Inc. | 79 |
6 |
| Waldner Laboreinrichtungen GmbH & Co. KG | 13 |
5 |
| Futrfab, Inc | 24 |
4 |
| Synergy Med Global Design Solutions, LLC | 7 |
4 |
| PHC Holdings Corporation | 701 |
4 |
| Qlean Air Scandinavia AB | 11 |
4 |
| EMD Millipore Corporation | 657 |
3 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
3 |
| Airex Co., Ltd. | 78 |
3 |
| Camfil AB | 226 |
3 |
| Metall + Plastic GmbH | 21 |
3 |
| Vetter Pharma-fertigung GmbH & Co. KG | 143 |
3 |
| Getinge Life Science France | 30 |
3 |
| Philip Morris Products S.A. | 6751 |
2 |
| Merck Patent GmbH | 5909 |
2 |
| Airtex Manufacturing Partnership | 17 |
2 |
| Other owners | 105 |