- 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
|
80
|
84
|
86
|
87
|
73
|
72
|
82
|
55
|
65
|
31
|
| 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 |
34 |
| Saudi Arabian Oil Company | 14305 |
19 |
| Mustang Sampling LLC | 137 |
17 |
| Halliburton Energy Services, Inc. | 21309 |
14 |
| BL Technologies, Inc. | 839 |
13 |
| bioMerieux, Inc. | 454 |
10 |
| UT-Battelle, LLC | 1516 |
10 |
| Elemental Scientific, Inc. | 294 |
9 |
| Mayeaux Holding, LLC | 31 |
9 |
| Schlumberger Technology Corporation | 11879 |
8 |
| EMD Millipore Corporation | 633 |
7 |
| Pioneer Hi-Bred International, Inc. | 7071 |
7 |
| Shimadzu Corporation | 6364 |
7 |
| BioFire Defense, LLC | 77 |
7 |
| Schlumberger Canada Limited | 7620 |
6 |
| Schlumberger Technology B.v. | 5299 |
6 |
| Axens | 297 |
6 |
| Heraeus Electro-Nite International N.V. | 219 |
6 |
| Kemira Oyj | 1264 |
6 |
| Mueller International, LLC | 746 |
6 |
| Other owners | 767 |