- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 15/08 - Investigating permeability, pore volume, or surface area of porous materials
Patent holdings for IPC class G01N 15/08
Total number of patents in this class: 1846
10-year publication summary
|
97
|
110
|
159
|
135
|
171
|
173
|
172
|
129
|
126
|
56
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 11322 |
135 |
| Schlumberger Technology Corporation | 9690 |
61 |
| Halliburton Energy Services, Inc. | 20165 |
55 |
| Aramco Services Company | 3504 |
45 |
| Schlumberger Canada Limited | 6913 |
27 |
| Chevron U.S.A. Inc. | 3774 |
24 |
| Southwest Petroleum University | 403 |
24 |
| Services Petroliers Schlumberger | 5426 |
22 |
| Schlumberger Technology B.v. | 4951 |
20 |
| EMD Millipore Corporation | 657 |
19 |
| NGK Insulators, Ltd. | 4589 |
19 |
| Corning Incorporated | 9932 |
16 |
| Schlumberger Holdings Limited | 2947 |
15 |
| Prad Research and Development Limited | 2696 |
15 |
| Sartorius Stedim Biotech GmbH | 774 |
14 |
| The Boeing Company | 19843 |
12 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
12 |
| China University of Petroleum (East China) | 319 |
12 |
| Zhejiang University | 2619 |
12 |
| LG Chem, Ltd. | 17205 |
10 |
| Other owners | 1277 |