- 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: 412
10-year publication summary
|
43
|
31
|
50
|
56
|
50
|
37
|
36
|
16
|
25
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honeywell International Inc. | 13799 |
44 |
| Dräger Safety AG & Co. KGaA | 401 |
24 |
| MSA Technology, LLC | 553 |
19 |
| Horiba Advanced Techno, Co., Ltd. | 98 |
11 |
| Analog Devices International Unlimited Company | 1724 |
11 |
| MSA Europe GmbH | 83 |
10 |
| Maxell, Ltd. | 2533 |
10 |
| Olympus Corporation | 13667 |
8 |
| Life Safety Distribution AG | 52 |
8 |
| Lyten, Inc. | 238 |
7 |
| Carrier Corporation | 4759 |
6 |
| New Cosmos Electric Co., Ltd. | 53 |
6 |
| Alcotek, Inc. | 31 |
5 |
| Figaro Engineering Inc. | 45 |
5 |
| Riken Keiki Co., Ltd. | 25 |
5 |
| SulfiLogger A/S | 8 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| Qualcomm Technologies, Inc. | 235 |
4 |
| Schlumberger Technology Corporation | 9690 |
4 |
| Koninklijke Philips N.V. | 22975 |
4 |
| Other owners | 212 |