- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; rotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 29/00 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups
Patent holdings for IPC class F04C 29/00
Total number of patents in this class: 2453
10-year publication summary
|
190
|
247
|
254
|
249
|
252
|
214
|
174
|
177
|
202
|
68
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 9495 |
166 |
| Mitsubishi Electric Corporation | 43934 |
143 |
| LG Electronics Inc. | 69257 |
131 |
| Atlas Copco Airpower, naamloze vennootschap | 915 |
73 |
| Hanon Systems | 1632 |
68 |
| Copeland LP | 656 |
61 |
| GREE Electric Appliances, Inc. of Zhuhai | 3007 |
53 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
52 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
52 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
50 |
| Sanden Corporation | 859 |
49 |
| Emerson Climate Technologies (Suzhou) Co., Ltd. | 172 |
45 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
44 |
| Emerson Climate Technologies, Inc. | 308 |
43 |
| Toshiba Carrier Corporation | 567 |
40 |
| Edwards Limited | 764 |
39 |
| Fujitsu General Limited | 541 |
39 |
| Denso Corporation | 23338 |
36 |
| Toyota Industries Corporation | 1010 |
33 |
| Bitzer Kühlmaschinenbau GmbH | 176 |
31 |
| Other owners | 1205 |