- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 27/404 - Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid
Patent holdings for IPC class G01N 27/404
Total number of patents in this class: 435
10-year publication summary
|
47
|
51
|
49
|
36
|
34
|
16
|
29
|
24
|
14
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honeywell International Inc. | 13604 |
44 |
| Dräger Safety AG & Co. KGaA | 462 |
27 |
| MSA Technology, LLC | 576 |
19 |
| Horiba Advanced Techno, Co., Ltd. | 119 |
12 |
| MSA Europe GmbH | 94 |
12 |
| Maxell, Ltd. | 2924 |
12 |
| Analog Devices International Unlimited Company | 2000 |
11 |
| Lyten, Inc. | 337 |
9 |
| Olympus Corporation | 13034 |
8 |
| Life Safety Distribution AG | 50 |
8 |
| Carrier Corporation | 3976 |
6 |
| New Cosmos Electric Co., Ltd. | 70 |
6 |
| Alcotek, Inc. | 25 |
5 |
| Riken Keiki Co., Ltd. | 28 |
5 |
| SulfiLogger A/S | 8 |
5 |
| Samsung Electronics Co., Ltd. | 152716 |
4 |
| Qualcomm Incorporated | 89620 |
4 |
| Schlumberger Technology Corporation | 11423 |
4 |
| Koninklijke Philips N.V. | 25470 |
4 |
| The Board of Trustees of the Leland Stanford Junior University | 6604 |
4 |
| Other owners | 226 |