- 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: 135
10-year publication summary
|
0
|
0
|
0
|
1
|
0
|
5
|
16
|
13
|
50
|
39
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honeywell International Inc. | 13552 |
7 |
| HORIBA, Ltd. | 827 |
4 |
| Schlumberger Technology Corporation | 10914 |
3 |
| Helmerich & Payne Technologies, LLC | 104 |
3 |
| Holtra AB | 7 |
3 |
| Schlumberger Canada Limited | 7373 |
2 |
| Schlumberger Technology B.v. | 5189 |
2 |
| The Boeing Company | 20139 |
2 |
| Becton, Dickinson and Company | 7321 |
2 |
| Hitachi, Ltd. | 15599 |
2 |
| Massachusetts Institute of Technology | 10117 |
2 |
| Life Technologies Corporation | 3323 |
2 |
| Aktiebolaget SKF | 2988 |
2 |
| Freeport Minerals Corporation | 115 |
2 |
| IDEXX Laboratories, Inc. | 848 |
2 |
| Kateeva, Inc. | 394 |
2 |
| LPW Technology Ltd. | 60 |
2 |
| Optofluidics, Inc. | 15 |
2 |
| The Penn State Research Foundation | 1540 |
2 |
| Services Petroliers Schlumberger | 5835 |
2 |
| Other owners | 85 |