- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 33/42 - Road-making materials
Patent holdings for IPC class G01N 33/42
Total number of patents in this class: 164
10-year publication summary
|
13
|
12
|
13
|
19
|
15
|
16
|
13
|
8
|
10
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Troxler Electronic Laboratories, Inc. | 76 |
19 |
| A.L.M. Holding Company | 84 |
7 |
| Ergon Asphalt & Emulsions, Inc. | 117 |
7 |
| InstroTek, Inc. | 20 |
5 |
| MOBA Mobile Automation AG | 65 |
4 |
| Soreq Nuclear Research Center | 110 |
4 |
| Security Matters Ltd | 78 |
4 |
| Chevron U.S.A. Inc. | 3972 |
3 |
| Csir | 184 |
3 |
| Geophysical Survey Systems, Inc. | 41 |
3 |
| Ingios Geotechnics, Inc. | 14 |
3 |
| Technische Universitat Wien | 385 |
3 |
| Changsha University of Science and Technology | 88 |
3 |
| Schlumberger Technology Corporation | 10820 |
2 |
| Schlumberger Canada Limited | 7350 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3546 |
2 |
| Shell Oil Company | 2138 |
2 |
| Beijing University of Technology | 496 |
2 |
| Central South University | 445 |
2 |
| Ohio University | 365 |
2 |
| Other owners | 82 |