- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 39/16 - Filtration; Moisture separation
Patent holdings for IPC class F04B 39/16
Total number of patents in this class: 369
10-year publication summary
|
34
|
23
|
27
|
36
|
37
|
30
|
32
|
26
|
37
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Atlas Copco Airpower, naamloze vennootschap | 915 |
27 |
| Nabtesco Automotive Corporation | 127 |
25 |
| LG Electronics Inc. | 69257 |
14 |
| Koganei Corporation | 209 |
12 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
9 |
| IHI Corporation | 3268 |
6 |
| Isuzu Motors Limited | 2158 |
6 |
| Estis Compression, LLC | 24 |
6 |
| Ingersoll-Rand Industrial U.S., Inc. | 498 |
6 |
| Carrier Corporation | 4759 |
5 |
| Hanon Systems | 1632 |
5 |
| ZF CV Systems Europe BV | 682 |
5 |
| Hitachi, Ltd. | 16452 |
4 |
| Black & Decker, Inc. | 2402 |
4 |
| Bendix Commercial Vehicle Systems LLC | 898 |
4 |
| Nantong Guangxing Pneumatic Equipment Co., Ltd. | 11 |
4 |
| Doosan Bobcat North America Inc. | 508 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| Hitachi Automotive Systems, Ltd. | 3970 |
3 |
| Murata Manufacturing Co., Ltd. | 22355 |
3 |
| Other owners | 214 |