- 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: 552
10-year publication summary
|
43
|
43
|
57
|
40
|
44
|
49
|
46
|
49
|
43
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 9932 |
52 |
| LG Electronics Inc. | 71809 |
46 |
| Hanon Systems | 1862 |
29 |
| Mitsubishi Electric Corporation | 45328 |
20 |
| GREE Electric Appliances, Inc. of Zhuhai | 3190 |
18 |
| Toyota Industries Corporation | 1078 |
14 |
| Trane International Inc. | 1159 |
12 |
| Copeland LP | 681 |
12 |
| Samsung Electronics Co., Ltd. | 141620 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 30429 |
11 |
| Toshiba Carrier Corporation | 509 |
11 |
| Pierburg Pump Technology GmbH | 321 |
10 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 863 |
10 |
| Carrier Corporation | 4373 |
9 |
| Emerson Climate Technologies (Suzhou) Co., Ltd. | 170 |
9 |
| Guangdong Meizhi Compressor Co., Ltd. | 178 |
9 |
| Fujitsu General Limited | 587 |
8 |
| Johnson Controls Air Conditioning and Refrigeration (Wuxi) Co., Ltd. | 40 |
8 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2869 |
8 |
| Hella GmbH & Co. KGaA | 1566 |
8 |
| Other owners | 237 |