- 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: 891
10-year publication summary
|
59
|
70
|
80
|
84
|
85
|
87
|
73
|
71
|
71
|
21
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bio-Rad Laboratories, Inc. | 1592 |
31 |
| Mustang Sampling LLC | 131 |
16 |
| Saudi Arabian Oil Company | 11322 |
16 |
| Halliburton Energy Services, Inc. | 20165 |
15 |
| BL Technologies, Inc. | 831 |
13 |
| bioMerieux, Inc. | 391 |
10 |
| Mayeaux Holding, LLC | 34 |
10 |
| UT-Battelle, LLC | 1333 |
10 |
| Elemental Scientific, Inc. | 255 |
9 |
| BioFire Defense, LLC | 77 |
8 |
| Schlumberger Technology Corporation | 9690 |
7 |
| EMD Millipore Corporation | 657 |
7 |
| Pioneer Hi-Bred International, Inc. | 6264 |
7 |
| Schlumberger Canada Limited | 6913 |
6 |
| Schlumberger Technology B.v. | 4951 |
6 |
| Schlumberger Holdings Limited | 2947 |
6 |
| Massachusetts Institute of Technology | 9795 |
6 |
| Heraeus Electro-Nite International N.V. | 211 |
6 |
| Outotec (Finland) Oy | 491 |
6 |
| Services Petroliers Schlumberger | 5426 |
6 |
| Other owners | 690 |