- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 29/58 - CoolingHeatingDiminishing heat transfer
Patent holdings for IPC class F04D 29/58
Total number of patents in this class: 2958
10-year publication summary
|
300
|
277
|
277
|
232
|
218
|
218
|
241
|
185
|
189
|
145
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10182 |
103 |
| Hamilton Sundstrand Corporation | 5011 |
72 |
| Robert Bosch GmbH | 44327 |
57 |
| General Electric Company | 13982 |
56 |
| Nuovo Pignone Tecnologie S.r.l. | 1229 |
45 |
| LG Electronics Inc. | 76087 |
43 |
| IHI Corporation | 3543 |
42 |
| Edwards Japan Limited | 443 |
39 |
| Atlas Copco Airpower, naamloze vennootschap | 1084 |
35 |
| Mitsubishi Heavy Industries, Ltd. | 9204 |
34 |
| United Technologies Corporation | 2215 |
31 |
| Dyson Technology Limited | 4036 |
31 |
| KSB SE & Co. KGaA | 743 |
31 |
| Mitsubishi Electric Corporation | 48351 |
30 |
| Shimadzu Corporation | 6372 |
29 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 855 |
29 |
| Siemens AG | 23956 |
28 |
| Mitsubishi Heavy Industries Compressor Corporation | 650 |
28 |
| Daikin Industries, Ltd. | 10514 |
27 |
| Hanon Systems | 2133 |
24 |
| Other owners | 2144 |