- All sections
- D - Textilespaper
- D21F - Paper-making machinesmethods of producing paper thereon
- D21F 7/06 - Indicating or regulating the thickness of the layerSignal devices
Patent holdings for IPC class D21F 7/06
Total number of patents in this class: 123
10-year publication summary
|
6
|
5
|
8
|
7
|
10
|
1
|
5
|
6
|
0
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honeywell ASCa Inc. | 99 |
17 |
| Seiko Epson Corporation | 20256 |
14 |
| Valmet Automation Oy | 111 |
8 |
| GPCP IP Holdings LLC | 1529 |
8 |
| Honeywell Limited | 111 |
7 |
| ABB Ltd. | 20 |
5 |
| Stora Enso Oyj | 1653 |
5 |
| Honeywell International Inc. | 12778 |
4 |
| Procemex Oy | 34 |
4 |
| S.A. Giuseppe Cristini S.p.A. | 26 |
4 |
| Stowe Woodward Licensco, LLC | 51 |
4 |
| Voith Patent GmbH | 2749 |
4 |
| The Procter & Gamble Company | 21855 |
3 |
| Metso Automation Oy | 61 |
3 |
| PSM International, Inc. | 6 |
3 |
| Ecolab USA Inc. | 5796 |
2 |
| International Paper Company | 600 |
2 |
| Solenis Technologies, L.P. | 304 |
2 |
| Dai Nippon Printing Co., Ltd. | 4238 |
1 |
| Advanced Gauging Technologies, LLC | 3 |
1 |
| Other owners | 22 |