- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01C - Rotary-piston or oscillating-piston machines or engines
- F01C 21/02 - Arrangements of bearings
Patent holdings for IPC class F01C 21/02
Total number of patents in this class: 211
10-year publication summary
20
|
13
|
22
|
43
|
18
|
17
|
17
|
12
|
8
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Robert Bosch GmbH | 40953 |
13 |
Trane International Inc. | 1123 |
13 |
Atlas Copco Airpower, naamloze vennootschap | 915 |
12 |
Edwards Limited | 764 |
10 |
LG Electronics Inc. | 69257 |
9 |
Eaton Intelligent Power Limited | 6113 |
9 |
Aktiebolaget SKF | 2700 |
8 |
Hamilton Sundstrand Corporation | 4525 |
7 |
Daikin Industries, Ltd. | 9495 |
5 |
Lontra Limited | 27 |
4 |
Hitachi-johnson Controls Air Conditioning, Inc. | 499 |
4 |
Purdue Research Foundation | 3277 |
3 |
Sanden Corporation | 859 |
3 |
CIRCOR Pumps North America, LLC | 32 |
3 |
GKN Sinter Metals AG | 3 |
3 |
Copeland LP | 656 |
3 |
Seiko Epson Corporation | 18724 |
2 |
Agilent Technologies, Inc. | 2744 |
2 |
Toyota Industries Corporation | 1010 |
2 |
AVL List GmbH | 1232 |
2 |
Other owners | 94 |