- 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: 163
10-year publication summary
|
14
|
13
|
13
|
19
|
15
|
17
|
13
|
7
|
10
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Troxler Electronic Laboratories, Inc. | 81 |
19 |
| A.L.M. Holding Company | 84 |
7 |
| Ergon Asphalt & Emulsions, Inc. | 114 |
7 |
| InstroTek, Inc. | 19 |
5 |
| MOBA Mobile Automation AG | 64 |
4 |
| Soreq Nuclear Research Center | 109 |
4 |
| Security Matters Ltd | 84 |
4 |
| Chevron U.S.A. Inc. | 3858 |
3 |
| Csir | 186 |
3 |
| Geophysical Survey Systems, Inc. | 38 |
3 |
| Technische Universitat Wien | 380 |
3 |
| Changsha University of Science and Technology | 86 |
3 |
| Schlumberger Technology Corporation | 10284 |
2 |
| Schlumberger Canada Limited | 7161 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3724 |
2 |
| Shell Oil Company | 2153 |
2 |
| ANP Technologies, Inc. | 42 |
2 |
| Beijing University of Technology | 473 |
2 |
| Central South University | 407 |
2 |
| Ingios Geotechnics, Inc. | 13 |
2 |
| Other owners | 82 |