- 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: 721
10-year publication summary
|
14
|
19
|
19
|
9
|
13
|
6
|
3
|
4
|
5
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Thermo Finnigan LLC | 638 |
68 |
| DH Technologies Development Pte. Ltd. | 1095 |
48 |
| Bruker Daltonics GmbH & Co. KG | 440 |
45 |
| Micromass UK Limited | 1116 |
40 |
| Shimadzu Corporation | 6132 |
30 |
| Agilent Technologies, Inc. | 2642 |
22 |
| Thermo Fisher Scientific (Bremen) GmbH | 571 |
21 |
| Waters Technologies Corporation | 1689 |
14 |
| Quest Diagnostics Investments Incorporated | 409 |
12 |
| Purdue Research Foundation | 3561 |
11 |
| Excellims Corporation | 52 |
11 |
| Leco Corporation | 200 |
9 |
| Indiana University Research and Technology Corporation | 796 |
8 |
| Hitachi High-Tech Corporation | 5233 |
8 |
| Nuctech Company Limited | 1371 |
7 |
| Battelle Memorial Institute | 2467 |
6 |
| The Trustees of Indiana University | 724 |
6 |
| Bruker Scientific LLC | 77 |
6 |
| Wisconsin Alumni Research Foundation | 3867 |
5 |
| Bruker Daltonics, Inc. | 20 |
5 |
| Other owners | 339 |