- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 15/0227 - Investigating particle size or size distribution by optical means using imagingInvestigating particle size or size distribution by optical means using holography
Patent holdings for IPC class G01N 15/0227
Total number of patents in this class: 169
10-year publication summary
|
0
|
0
|
1
|
0
|
6
|
18
|
15
|
52
|
47
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honeywell International Inc. | 13558 |
7 |
| Schlumberger Technology Corporation | 11238 |
6 |
| HORIBA, Ltd. | 838 |
5 |
| Schlumberger Canada Limited | 7485 |
3 |
| Life Technologies Corporation | 3368 |
3 |
| Services Petroliers Schlumberger | 5916 |
3 |
| Siemens Healthcare Diagnostics Inc. | 2126 |
3 |
| Helmerich & Payne Technologies, LLC | 107 |
3 |
| Holtra AB | 8 |
3 |
| AST Revolution, LLC | 32 |
3 |
| Schlumberger Technology B.v. | 5239 |
2 |
| The Boeing Company | 20101 |
2 |
| Becton, Dickinson and Company | 7492 |
2 |
| Amgen Inc. | 4290 |
2 |
| Hitachi, Ltd. | 15792 |
2 |
| Massachusetts Institute of Technology | 10181 |
2 |
| Aktiebolaget SKF | 3045 |
2 |
| Freeport Minerals Corporation | 123 |
2 |
| IDEXX Laboratories, Inc. | 872 |
2 |
| Kateeva, Inc. | 395 |
2 |
| Other owners | 110 |