- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 30/40 - Flow patterns using back flushing
Patent holdings for IPC class G01N 30/40
Total number of patents in this class: 58
10-year publication summary
|
4
|
4
|
3
|
9
|
4
|
8
|
6
|
5
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| EnTech Instruments Inc. | 40 |
7 |
| Shimadzu Corporation | 6025 |
4 |
| Roche Diagnostics Operations, Inc. | 1436 |
2 |
| Siemens AG | 24568 |
2 |
| Murata Manufacturing Co., Ltd. | 23743 |
2 |
| Agilent Technologies, Inc. | 2679 |
2 |
| Brigham Young University | 576 |
2 |
| Dionex Corporation | 332 |
2 |
| GL Sciences Incorporated | 26 |
2 |
| IDEX Health & Science LLC | 205 |
2 |
| Joint Analytical Systems GmbH | 19 |
2 |
| Organo Corporation | 439 |
2 |
| Regeneron Pharmaceuticals, Inc. | 4002 |
2 |
| Waters Technologies Corporation | 1680 |
2 |
| Baker Hughes Oilfield Operations, LLC | 2133 |
2 |
| MLS Acq, Inc d/b/a Max Analytical Technology | 37 |
2 |
| F. Hoffmann-La Roche AG | 7951 |
1 |
| Roche Diagnostics GmbH | 2696 |
1 |
| Halliburton Energy Services, Inc. | 20449 |
1 |
| Hewlett-Packard Development Company, L.P. | 27447 |
1 |
| Other owners | 15 |