- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 29/06 - Silencing
Patent holdings for IPC class F04C 29/06
Total number of patents in this class: 571
10-year publication summary
|
43
|
42
|
55
|
40
|
43
|
49
|
46
|
47
|
42
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 10118 |
49 |
| LG Electronics Inc. | 73763 |
46 |
| Hanon Systems | 1996 |
31 |
| Mitsubishi Electric Corporation | 46672 |
20 |
| GREE Electric Appliances, Inc. of Zhuhai | 3256 |
20 |
| Toyota Industries Corporation | 1145 |
15 |
| Copeland LP | 702 |
13 |
| Samsung Electronics Co., Ltd. | 148173 |
12 |
| Trane International Inc. | 1196 |
12 |
| Panasonic Intellectual Property Management Co., Ltd. | 32139 |
11 |
| Toshiba Carrier Corporation | 493 |
11 |
| Pierburg Pump Technology GmbH | 326 |
10 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 907 |
10 |
| Carrier Corporation | 4296 |
9 |
| Emerson Climate Technologies (Suzhou) Co., Ltd. | 170 |
9 |
| Guangdong Meizhi Compressor Co., Ltd. | 186 |
9 |
| Johnson Controls Air Conditioning and Refrigeration (Wuxi) Co., Ltd. | 42 |
9 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2882 |
9 |
| Atlas Copco Airpower, naamloze vennootschap | 1036 |
8 |
| Fujitsu General Limited | 626 |
8 |
| Other owners | 250 |