- 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: 177
10-year publication summary
|
12
|
5
|
7
|
0
|
1
|
0
|
4
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 19915 |
10 |
| INGERSOLL Machine Tools, Inc. | 29 |
6 |
| Sekar Patent Holdings, LLC | 14 |
6 |
| 3m Innovative Properties Company | 17969 |
4 |
| Toyota Motor Corporation | 30499 |
4 |
| Fiberlite Centrifuge, LLC | 51 |
4 |
| GE Infrastructure Technology, LLC | 6116 |
4 |
| Airbus Operations GmbH | 3292 |
3 |
| Duracell U.S. Operations, Inc. | 424 |
3 |
| Bard Peripheral Vascular, Inc. | 492 |
3 |
| GKN Aerospace Services Structures, Corp. | 27 |
3 |
| Murata Machinery, Ltd. | 1458 |
3 |
| Safran Aircraft Engines | 6059 |
3 |
| Ultrafab, Inc. | 98 |
3 |
| Baker Hughes Incorporated | 5500 |
2 |
| Kimberly-clark Worldwide, Inc. | 5517 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5455 |
2 |
| Dow Global Technologies LLC | 10167 |
2 |
| Deepflex Inc. | 17 |
2 |
| Donaldson Company, Inc. | 1572 |
2 |
| Other owners | 106 |