- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16C - Shaftsflexible shaftsmechanical means for transmitting movement in a flexible sheathingelements of crankshaft mechanismspivotspivotal connectionsrotary engineering elements other than gearing, coupling, clutch or brake elementsbearings
- F16C 33/20 - Sliding surface consisting mainly of plastics
Patent holdings for IPC class F16C 33/20
Total number of patents in this class: 1137
10-year publication summary
|
109
|
81
|
89
|
72
|
60
|
65
|
49
|
44
|
21
|
30
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Oiles Corporation | 498 |
137 |
| Taiho Kogyo Co., Ltd. | 326 |
50 |
| Saint-Gobain Performance Plastics Pampus GmbH | 119 |
47 |
| NTN Corporation | 4925 |
46 |
| Daido Metal Company Ltd. | 248 |
45 |
| MAHLE International GmbH | 2920 |
40 |
| MAHLE Engine Systems UK Limited | 61 |
31 |
| Saint-Gobain Performance Plastics Corporation | 1051 |
29 |
| Schaeffler Technologies AG & Co. KG | 11093 |
27 |
| KS Gleitlager GmbH | 77 |
22 |
| Igus GmbH | 295 |
20 |
| Roller Bearing Company of America, Inc. | 213 |
18 |
| Federal-Mogul Wiesbaden GmbH | 98 |
17 |
| H.e.f. | 113 |
15 |
| Senju Metal Industry Co., Ltd. | 690 |
15 |
| Aktiebolaget SKF | 3142 |
13 |
| ThyssenKrupp Presta AG | 1110 |
10 |
| Hyundai Mobis Co., Ltd. | 3631 |
9 |
| Miba Gleitlager Austria GmbH | 116 |
9 |
| Oiles Deutschland GmbH | 14 |
9 |
| Other owners | 528 |