- All sections
- B - Performing operationstransporting
- B65H - Handling thin or filamentary material, e.g. sheets, webs, cables
- B65H 81/00 - Methods, apparatus, or devices for covering or wrapping cores by winding webs, tapes, or filamentary material, not otherwise provided for
Patent holdings for IPC class B65H 81/00
Total number of patents in this class: 161
10-year publication summary
|
5
|
7
|
0
|
1
|
0
|
4
|
1
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekar Patent Holdings, LLC | 18 |
8 |
| The Boeing Company | 20168 |
7 |
| INGERSOLL Machine Tools, Inc. | 27 |
6 |
| Toyota Motor Corporation | 35857 |
4 |
| Fiberlite Centrifuge, LLC | 57 |
4 |
| GE Infrastructure Technology, LLC | 6163 |
4 |
| 3m Innovative Properties Company | 17484 |
3 |
| Airbus Operations GmbH | 3449 |
3 |
| Duracell U.S. Operations, Inc. | 390 |
3 |
| Bard Peripheral Vascular, Inc. | 564 |
3 |
| GKN Aerospace Services Structures, Corp. | 25 |
3 |
| Murata Machinery, Ltd. | 1598 |
3 |
| Safran Aircraft Engines | 6716 |
3 |
| Baker Hughes Incorporated | 4922 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 6113 |
2 |
| Dow Global Technologies LLC | 10968 |
2 |
| Henkel AG & Co. KGaA | 10767 |
2 |
| Deepflex Inc. | 16 |
2 |
| Donaldson Company, Inc. | 1606 |
2 |
| Johns Manville | 920 |
2 |
| Other owners | 93 |