- All sections
- G - Physics
- G01K - Measuring temperaturemeasuring quantity of heatthermally-sensitive elements not otherwise provided for
- G01K 11/32 - Measuring temperature based on physical or chemical changes not covered by group , , , or using changes in transmittance, scattering or luminescence in optical fibres
Patent holdings for IPC class G01K 11/32
Total number of patents in this class: 1059
10-year publication summary
|
87
|
90
|
112
|
99
|
93
|
88
|
60
|
53
|
39
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20788 |
28 |
| Fujitsu Limited | 18354 |
26 |
| NEC Corporation | 35471 |
18 |
| Baker Hughes Incorporated | 5279 |
17 |
| Siemens AG | 24552 |
17 |
| NEC Laboratories America, Inc. | 1149 |
17 |
| Kidde Technologies, Inc. | 297 |
16 |
| Viavi Solutions Inc. | 1429 |
16 |
| OFS Fitel, LLC | 563 |
14 |
| OptaSense Holdings Limited | 194 |
13 |
| Corning Incorporated | 10252 |
12 |
| Neubrex Co., Ltd. | 56 |
11 |
| Schlumberger Technology Corporation | 10652 |
10 |
| Applied Materials, Inc. | 18475 |
10 |
| Weatherford Technology Holdings, LLC | 2016 |
10 |
| Yokogawa Electric Corporation | 1730 |
10 |
| Baker Hughes, a GE Company, LLC | 2114 |
9 |
| Tokyo Electron Limited | 12599 |
8 |
| Oxsensis Ltd | 18 |
8 |
| Photon Control Inc. | 46 |
8 |
| Other owners | 781 |