- 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 materials; Analysing 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: 106
10-year publication summary
|
6
|
7
|
11
|
11
|
7
|
10
|
16
|
12
|
5
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cypher Medical, LLC | 43 |
11 |
| Troxler Electronic Laboratories, Inc. | 81 |
6 |
| Deere & Company | 7344 |
4 |
| Red Meters LLC | 6 |
4 |
| Micromeritics Instrument Corporation | 28 |
3 |
| MicrotracBEL Corporation | 10 |
3 |
| Schlumberger Canada Limited | 7154 |
2 |
| Kaneka Corporation | 4498 |
2 |
| Vertex Pharmaceuticals Incorporated | 1568 |
2 |
| InstroTek, Inc. | 19 |
2 |
| Orexplore AB | 11 |
2 |
| Agricola Lusia S.r.l. | 4 |
2 |
| Anton Paar Quantatec, Inc. | 11 |
2 |
| Travera, Inc. | 19 |
2 |
| Hitachi Energy Ltd. | 2232 |
2 |
| Schlumberger Technology B.v. | 5075 |
1 |
| Schlumberger Holdings Limited | 2867 |
1 |
| Halliburton Energy Services, Inc. | 20438 |
1 |
| Nestec S.A. | 2707 |
1 |
| Pfizer Inc. | 3368 |
1 |
| Other owners | 52 |