- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 9/02 - Investigating density or specific gravity of materialsAnalysing materials by determining density or specific gravity by measuring weight of a known volume
Patent holdings for IPC class G01N 9/02
Total number of patents in this class: 111
10-year publication summary
|
7
|
11
|
11
|
7
|
10
|
16
|
13
|
7
|
8
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cypher Medical, LLC | 44 |
12 |
| Troxler Electronic Laboratories, Inc. | 66 |
6 |
| Deere & Company | 8160 |
4 |
| Micromeritics Instrument Corporation | 32 |
4 |
| Red Meters LLC | 6 |
4 |
| MicrotracBEL Corporation | 10 |
3 |
| Schlumberger Canada Limited | 7627 |
2 |
| Kaneka Corporation | 4745 |
2 |
| Vertex Pharmaceuticals Incorporated | 1575 |
2 |
| InstroTek, Inc. | 22 |
2 |
| Anton Paar Quantatec, Inc. | 13 |
2 |
| LG Energy Solution, Ltd. | 19305 |
2 |
| Travera, Inc. | 25 |
2 |
| Hitachi Energy Ltd. | 2619 |
2 |
| Schlumberger Technology B.v. | 5302 |
1 |
| Schlumberger Holdings Limited | 2683 |
1 |
| Halliburton Energy Services, Inc. | 21296 |
1 |
| Nestec S.A. | 2544 |
1 |
| Pfizer Inc. | 3413 |
1 |
| Samsung SDI Co., Ltd. | 10745 |
1 |
| Other owners | 56 |