- 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: 309
10-year publication summary
|
21
|
16
|
31
|
24
|
18
|
14
|
12
|
12
|
8
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kemira Oyj | 1241 |
32 |
| Voith Patent GmbH | 2774 |
18 |
| Valmet Automation Oy | 111 |
17 |
| Metso Automation Oy | 64 |
12 |
| Stora Enso Oyj | 1633 |
10 |
| Nalco Company | 550 |
9 |
| ABB Schweiz AG | 7464 |
7 |
| BTG Instruments AB | 9 |
6 |
| Yuyama Mfg. Co., Ltd. | 376 |
6 |
| Honeywell Limited | 112 |
5 |
| Honeywell ASCa Inc. | 101 |
5 |
| IBS of America | 26 |
5 |
| GPCP IP Holdings LLC | 1545 |
5 |
| Ricoh Company, Ltd. | 13299 |
4 |
| Daprox AB | 15 |
4 |
| Nippon Paper Industries Co., Ltd. | 841 |
4 |
| UPM-Kymmene Corporation | 979 |
4 |
| ABB Ltd. | 21 |
3 |
| Buckman Laboratories International, Inc. | 239 |
3 |
| DS Smith Packaging Limited | 76 |
3 |
| Other owners | 147 |