- All sections
- D - Textilespaper
- D21G - Calendersaccessories for paper-making machines
- D21G 7/00 - Damping devices
Patent holdings for IPC class D21G 7/00
Total number of patents in this class: 39
10-year publication summary
|
1
|
3
|
2
|
1
|
0
|
4
|
1
|
2
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voith Patent GmbH | 2767 |
12 |
| Seiko Epson Corporation | 19895 |
6 |
| delfortgroup AG | 154 |
4 |
| Honeywell ASCa Inc. | 102 |
2 |
| Kadant Inc. | 44 |
2 |
| The Procter & Gamble Company | 21972 |
1 |
| Andritz AG | 237 |
1 |
| BHS Corrugated Maschinen-und Anlagenbau GmbH | 215 |
1 |
| Brown LLC | 73 |
1 |
| KIEFEL GmbH | 149 |
1 |
| Metso Automation Oy | 69 |
1 |
| Oy Keskuslaboratorio - Centrallaboratorium AB | 20 |
1 |
| Reifenhaeuser GmbH & Co. KG Maschinenfabrik | 33 |
1 |
| Shurcon Manufacturing (Zhejiang) Co., Ltd. | 18 |
1 |
| Stora Enso Oyj | 1645 |
1 |
| Valmet S.p.A. | 15 |
1 |
| The Royal Institution for The Advancement of Learning / McGill University | 716 |
1 |
| Glatfelter Holding (Switzerland) AG | 33 |
1 |
| Other owners | 0 |