- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- F16J 15/42 - Sealings between relatively-moving surfaces by means of fluid kept in sealing position by centrifugal force
Patent holdings for IPC class F16J 15/42
Total number of patents in this class: 24
10-year publication summary
|
4
|
1
|
2
|
1
|
4
|
1
|
1
|
2
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rolls-Royce PLC | 2944 |
3 |
| Rtx Corporation | 8674 |
3 |
| The Carlyle Johnson Machine Company | 2 |
2 |
| Cummins Turbo Technologies Limited | 109 |
2 |
| Safran Aircraft Engines | 5739 |
2 |
| Vestas Wind Systems A/S | 3459 |
2 |
| SNECMA S.A. | 1160 |
1 |
| Hewlett-Packard Development Company, L.P. | 28538 |
1 |
| Robert Bosch GmbH | 40953 |
1 |
| Aktiebolaget SKF | 2700 |
1 |
| Kaydon Ring & Seal, Inc. | 20 |
1 |
| Rolls-Royce Deutschland Ltd & Co KG | 765 |
1 |
| Syncrude Canada Ltd. | 86 |
1 |
| Syncrude Canada Ltd. in Trust for The Owners of The Syncrude Project, AS such Owners Exist NOW and in The Future | 72 |
1 |
| Flowserve Pte. Ltd | 216 |
1 |
| Snecma | 1065 |
1 |
| Other owners | 0 |