- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 59/44 - Separation by mass spectrography
Patent holdings for IPC class B01D 59/44
Total number of patents in this class: 631
10-year publication summary
|
19
|
19
|
9
|
13
|
6
|
4
|
4
|
5
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Thermo Finnigan LLC | 642 |
57 |
| DH Technologies Development Pte. Ltd. | 1160 |
46 |
| Micromass UK Limited | 1123 |
38 |
| Bruker Daltonics GmbH & Co. KG | 452 |
33 |
| Shimadzu Corporation | 6310 |
29 |
| Thermo Fisher Scientific (Bremen) GmbH | 617 |
20 |
| Agilent Technologies, Inc. | 2647 |
19 |
| Waters Technologies Corporation | 1791 |
14 |
| Quest Diagnostics Investments Incorporated | 394 |
12 |
| Purdue Research Foundation | 3874 |
11 |
| Excellims Corporation | 49 |
10 |
| Leco Corporation | 200 |
8 |
| Nuctech Company Limited | 1436 |
7 |
| The Trustees of Indiana University | 810 |
6 |
| Bruker Scientific LLC | 79 |
6 |
| Wisconsin Alumni Research Foundation | 3915 |
5 |
| Indiana University Research and Technology Corporation | 780 |
5 |
| California Institute of Technology | 4023 |
4 |
| Battelle Memorial Institute | 2598 |
4 |
| Bruker Daltonics, Inc. | 19 |
4 |
| Other owners | 293 |