- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/3577 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water
Patent holdings for IPC class G01N 21/3577
Total number of patents in this class: 781
10-year publication summary
|
51
|
98
|
65
|
77
|
94
|
81
|
82
|
75
|
74
|
26
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schlumberger Technology Corporation | 9690 |
24 |
| Halliburton Energy Services, Inc. | 20165 |
22 |
| Jp3 Measurement, LLC | 27 |
10 |
| Saudi Arabian Oil Company | 11322 |
10 |
| California Institute of Technology | 3884 |
9 |
| Samsung Electronics Co., Ltd. | 131630 |
7 |
| Chevron U.S.A. Inc. | 3774 |
7 |
| 1087 Systems, Inc. | 22 |
7 |
| RedShift Bioanalytics, Inc. | 26 |
7 |
| Massachusetts Institute of Technology | 9795 |
6 |
| Airware, Inc | 19 |
6 |
| K Sciences GP, LLC | 17 |
6 |
| Klein Medical Limited | 12 |
6 |
| SPECTRO Scientific, Inc. | 42 |
6 |
| Topnir Systems SAS | 23 |
6 |
| Virtual Fluid Monitoring Services LLC | 10 |
6 |
| Zyomed Holdings, Inc. | 9 |
6 |
| Weatherford Technology Holdings, LLC | 2135 |
5 |
| Cargill, Incorporated | 2835 |
5 |
| Fort Hills Energy L.P. | 83 |
5 |
| Other owners | 615 |