- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 33/34 - Paper
Patent holdings for IPC class G01N 33/34
Total number of patents in this class: 323
10-year publication summary
|
23
|
20
|
15
|
28
|
19
|
18
|
14
|
9
|
10
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kemira Oyj | 1207 |
31 |
| Valmet Automation Oy | 111 |
17 |
| Voith Patent GmbH | 2762 |
17 |
| Metso Automation Oy | 74 |
13 |
| Stora Enso Oyj | 1647 |
10 |
| Nalco Company | 573 |
9 |
| ABB Schweiz AG | 6987 |
6 |
| BTG Instruments AB | 9 |
6 |
| Yuyama Mfg. Co., Ltd. | 389 |
6 |
| Honeywell Limited | 114 |
5 |
| Honeywell ASCa Inc. | 107 |
5 |
| IBS of America | 26 |
5 |
| GPCP IP Holdings LLC | 1637 |
5 |
| Ricoh Company, Ltd. | 13283 |
4 |
| Daprox AB | 15 |
4 |
| Nippon Paper Industries Co., Ltd. | 832 |
4 |
| UPM-Kymmene Corporation | 936 |
4 |
| Honeywell International Inc. | 13540 |
3 |
| ABB Ltd. | 24 |
3 |
| BTG Instruments GmbH | 7 |
3 |
| Other owners | 163 |