- 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: 939
10-year publication summary
|
70
|
80
|
84
|
86
|
87
|
73
|
72
|
81
|
53
|
29
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bio-Rad Laboratories, Inc. | 1609 |
33 |
| Saudi Arabian Oil Company | 12833 |
18 |
| Mustang Sampling LLC | 136 |
17 |
| Halliburton Energy Services, Inc. | 20730 |
14 |
| BL Technologies, Inc. | 830 |
13 |
| bioMerieux, Inc. | 433 |
10 |
| Mayeaux Holding, LLC | 32 |
10 |
| UT-Battelle, LLC | 1446 |
10 |
| Elemental Scientific, Inc. | 269 |
9 |
| Schlumberger Technology Corporation | 10608 |
8 |
| EMD Millipore Corporation | 646 |
7 |
| Pioneer Hi-Bred International, Inc. | 6486 |
7 |
| Shimadzu Corporation | 6132 |
7 |
| BioFire Defense, LLC | 73 |
7 |
| Schlumberger Canada Limited | 7222 |
6 |
| Schlumberger Technology B.v. | 5145 |
6 |
| Massachusetts Institute of Technology | 10002 |
6 |
| Axens | 271 |
6 |
| Heraeus Electro-Nite International N.V. | 201 |
6 |
| Kemira Oyj | 1192 |
6 |
| Other owners | 733 |