- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/3518 - Devices using gas filter correlation techniquesDevices using gas pressure modulation techniques
Patent holdings for IPC class G01N 21/3518
Total number of patents in this class: 67
10-year publication summary
|
3
|
6
|
12
|
8
|
9
|
3
|
9
|
6
|
7
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FLIR Systems AB | 202 |
4 |
| Honeywell International Inc. | 14033 |
3 |
| New Era Technology, Inc. | 18 |
3 |
| Chang Sung ACE Co., Ltd. | 12 |
2 |
| Konkuk University Industrial Cooperation Corp. | 294 |
2 |
| MKS Instruments, Inc. | 683 |
2 |
| Pason Systems Corp. | 80 |
2 |
| Rebellion Photonics, Inc. | 85 |
2 |
| MultiSensor Scientific, Inc. | 22 |
2 |
| MLS Acq, Inc d/b/a Max Analytical Technology | 37 |
2 |
| Teledyne Gas Measurement Instruments Limited | 4 |
2 |
| Teledyne Flir, LLC | 534 |
2 |
| Endress+Hauser Optical Analysis, Inc. | 95 |
2 |
| The Regents of the University of California | 19572 |
1 |
| Hitachi, Ltd. | 15247 |
1 |
| Infineon Technologies AG | 8138 |
1 |
| Tokyo Electron Limited | 12158 |
1 |
| Kyocera Corporation | 13381 |
1 |
| Konica Minolta, Inc. | 8558 |
1 |
| Fuji Electric Co., Ltd. | 4991 |
1 |
| Other owners | 30 |