- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- F16J 15/56 - Other sealings for reciprocating rods
Patent holdings for IPC class F16J 15/56
Total number of patents in this class: 237
10-year publication summary
26
|
22
|
22
|
10
|
20
|
10
|
12
|
13
|
13
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Robert Bosch GmbH | 40953 |
14 |
Trelleborg Sealing Solutions Germany GmbH | 183 |
12 |
Schaeffler Technologies AG & Co. KG | 8880 |
6 |
Tandem Diabetes Care, Inc. | 376 |
6 |
Burckhardt Compression AG | 116 |
5 |
Carl Freudenberg KG | 1346 |
5 |
ElringKlinger AG | 487 |
5 |
Hypertherm, Inc. | 512 |
5 |
NOK Corporation | 2108 |
5 |
Saint-Gobain Performance Plastics Corporation | 1028 |
5 |
Aktiebolaget SKF | 2700 |
4 |
Air Products and Chemicals, Inc. | 1448 |
3 |
Brondolin S.P.A. | 10 |
3 |
Cross Manufacturing Company (1938) Limited | 28 |
3 |
Dr. Walter Hunger Beteiligungs GmbH & Co. Besitz KG | 4 |
3 |
ElringKlinger Kunststofftechnik GmbH | 24 |
3 |
Fisher Controls International LLC | 1520 |
3 |
Flow International Corporation | 162 |
3 |
HOERBIGER Kompressortechnik Holding GmbH | 25 |
3 |
Marathon Valve LLC | 3 |
3 |
Other owners | 138 |