- 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: 211
10-year publication summary
|
22
|
27
|
28
|
22
|
18
|
21
|
22
|
13
|
11
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1483 |
8 |
| ICU Medical, Inc. | 1500 |
6 |
| Halliburton Energy Services, Inc. | 21242 |
5 |
| Stamford Devices Limited | 210 |
5 |
| NEC Corporation | 36733 |
4 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2426 |
4 |
| General Electric Company | 13816 |
3 |
| The Boeing Company | 20094 |
3 |
| Toshiba Corporation | 12694 |
3 |
| Infineon Technologies AG | 8382 |
3 |
| Chevron U.S.A. Inc. | 4103 |
3 |
| Hitachi Power Solutions Co., Ltd. | 104 |
3 |
| Inventus Holdings, LLC | 142 |
3 |
| Queen's University at Kingston | 535 |
3 |
| The University of British Columbia | 1530 |
3 |
| Vibrant Corporation | 24 |
3 |
| Triad National Security, LLC | 626 |
3 |
| BBI Medical Innovations, LLC | 24 |
3 |
| Sparrow Acoustics Inc. | 11 |
3 |
| ExxonMobil Technology and Engineering Company | 1293 |
3 |
| Other owners | 137 |