- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- F16J 15/3248 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
Patent holdings for IPC class F16J 15/3248
Total number of patents in this class: 55
10-year publication summary
|
1
|
3
|
4
|
10
|
8
|
9
|
11
|
7
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schaeffler Technologies AG & Co. KG | 8880 |
4 |
| Carl Freudenberg KG | 1346 |
3 |
| Caterpillar Inc. | 8877 |
2 |
| A.W. Chesterton Company | 80 |
2 |
| Saint-Gobain Performance Plastics Corporation | 1028 |
2 |
| Sealink Corp. | 13 |
2 |
| Kinetic Pressure Control Limited | 66 |
2 |
| Inpro/Seal LLC | 69 |
2 |
| Atlas Seals, Inc. | 3 |
2 |
| Halliburton Energy Services, Inc. | 20165 |
1 |
| Lexmark International, Inc. | 1793 |
1 |
| NTN Corporation | 5008 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
| ABB Schweiz AG | 6321 |
1 |
| Aktiebolaget SKF | 2700 |
1 |
| Bruss Sealing Systems GmbH | 18 |
1 |
| Doosan Heavy Industries & Construction Co., Ltd. | 604 |
1 |
| Duerr Systems AG | 175 |
1 |
| ElringKlinger AG | 487 |
1 |
| Garlock Sealing Technologies LLC | 149 |
1 |
| Other owners | 23 |