- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 29/42 - Detecting the response signal by frequency filtering
Patent holdings for IPC class G01N 29/42
Total number of patents in this class: 209
10-year publication summary
|
8
|
22
|
27
|
27
|
21
|
17
|
19
|
20
|
13
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1506 |
8 |
| ICU Medical, Inc. | 1444 |
6 |
| Stamford Devices Limited | 177 |
5 |
| Halliburton Energy Services, Inc. | 20949 |
4 |
| NEC Corporation | 35827 |
4 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2382 |
4 |
| General Electric Company | 13807 |
3 |
| The Boeing Company | 20098 |
3 |
| Toshiba Corporation | 12383 |
3 |
| Infineon Technologies AG | 8244 |
3 |
| Chevron U.S.A. Inc. | 3972 |
3 |
| AGC Glass Europe | 1137 |
3 |
| Hitachi Power Solutions Co., Ltd. | 97 |
3 |
| Inventus Holdings, LLC | 127 |
3 |
| Queen's University at Kingston | 535 |
3 |
| The University of British Columbia | 1500 |
3 |
| Vibrant Corporation | 24 |
3 |
| Triad National Security, LLC | 611 |
3 |
| BBI Medical Innovations, LLC | 23 |
3 |
| Sparrow Acoustics Inc. | 11 |
3 |
| Other owners | 136 |