- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16N - Lubricating
- F16N 21/00 - ConduitsJunctionsFittings for lubrication apertures
Patent holdings for IPC class F16N 21/00
Total number of patents in this class: 144
10-year publication summary
21
|
18
|
15
|
13
|
10
|
3
|
13
|
8
|
6
|
3
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Graco Minnesota Inc. | 1173 |
6 |
Rtx Corporation | 9252 |
5 |
Pratt & Whitney Canada Corp. | 4481 |
4 |
SKF Lubrication Systems Germany GmbH | 45 |
4 |
ZF Friedrichshafen AG | 7099 |
3 |
Alltemp Products Company Limited | 47 |
3 |
Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.p.A. | 154 |
3 |
Progressive Oilfield Services Ltd. | 3 |
3 |
Safran Aircraft Engines | 6183 |
3 |
ZF Wind Power Antwerpen N.V. | 184 |
3 |
GJR Meyer Service Inc. | 18 |
3 |
Toyota Motor Corporation | 30988 |
2 |
United Technologies Corporation | 2249 |
2 |
Caterpillar Inc. | 9378 |
2 |
Hamilton Sundstrand Corporation | 4804 |
2 |
Brasscorp Limited | 6 |
2 |
Cummins Filtration IP, Inc. | 808 |
2 |
Curtis ROYS | 2 |
2 |
ElringKlinger AG | 527 |
2 |
Jost-Werke GmbH | 63 |
2 |
Other owners | 86 |