- 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
|
6
|
6
|
9
|
11
|
6
|
10
|
15
|
12
|
5
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cypher Medical, LLC | 45 |
12 |
| Troxler Electronic Laboratories, Inc. | 77 |
5 |
| Deere & Company | 7785 |
4 |
| Micromeritics Instrument Corporation | 32 |
4 |
| Red Meters LLC | 6 |
4 |
| MicrotracBEL Corporation | 10 |
3 |
| Schlumberger Canada Limited | 7451 |
2 |
| Kaneka Corporation | 4609 |
2 |
| Vertex Pharmaceuticals Incorporated | 1625 |
2 |
| InstroTek, Inc. | 21 |
2 |
| Orexplore AB | 11 |
2 |
| Anton Paar Quantatec, Inc. | 13 |
2 |
| LG Energy Solution, Ltd. | 16152 |
2 |
| Travera, Inc. | 23 |
2 |
| Hitachi Energy Ltd. | 2347 |
2 |
| Schlumberger Technology B.v. | 5224 |
1 |
| Schlumberger Holdings Limited | 2773 |
1 |
| Halliburton Energy Services, Inc. | 21114 |
1 |
| Nestec S.A. | 2627 |
1 |
| Pfizer Inc. | 3400 |
1 |
| Other owners | 56 |