- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 1/20 - Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
Patent holdings for IPC class G01N 1/20
Total number of patents in this class: 974
10-year publication summary
|
74
|
75
|
80
|
82
|
69
|
66
|
73
|
52
|
57
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bio-Rad Laboratories, Inc. | 1610 |
33 |
| Saudi Arabian Oil Company | 13940 |
19 |
| Mustang Sampling LLC | 137 |
17 |
| Halliburton Energy Services, Inc. | 21161 |
14 |
| BL Technologies, Inc. | 838 |
13 |
| bioMerieux, Inc. | 451 |
10 |
| UT-Battelle, LLC | 1495 |
10 |
| Elemental Scientific, Inc. | 285 |
9 |
| Mayeaux Holding, LLC | 31 |
9 |
| Schlumberger Technology Corporation | 11449 |
8 |
| EMD Millipore Corporation | 642 |
7 |
| Pioneer Hi-Bred International, Inc. | 6811 |
7 |
| Shimadzu Corporation | 6303 |
7 |
| BioFire Defense, LLC | 75 |
7 |
| Schlumberger Canada Limited | 7544 |
6 |
| Schlumberger Technology B.v. | 5270 |
6 |
| Massachusetts Institute of Technology | 10192 |
6 |
| Axens | 294 |
6 |
| Heraeus Electro-Nite International N.V. | 218 |
6 |
| Kemira Oyj | 1228 |
6 |
| Other owners | 768 |