- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 49/00 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups
Patent holdings for IPC class F04B 49/00
Total number of patents in this class: 1139
10-year publication summary
|
70
|
49
|
51
|
68
|
49
|
51
|
53
|
44
|
42
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
49 |
| Halliburton Energy Services, Inc. | 20165 |
35 |
| Caterpillar Inc. | 8877 |
20 |
| Hitachi Construction Machinery Co., Ltd. | 2498 |
17 |
| Carrier Corporation | 4759 |
16 |
| Danfoss A/S | 1259 |
16 |
| Sanden Corporation | 859 |
15 |
| DEKA Products Limited Partnership | 1640 |
14 |
| Danfoss Power Solutions GmbH & Co. OHG | 70 |
13 |
| Kaeser KOMPRESSOREN SE | 166 |
13 |
| Denso Corporation | 23338 |
10 |
| Komatsu Ltd. | 4265 |
10 |
| Pentair Water Pool and Spa, Inc. | 457 |
10 |
| Hitachi Astemo, Ltd. | 5618 |
10 |
| Edwards Limited | 764 |
9 |
| Emerson Climate Technologies, Inc. | 308 |
8 |
| Schlumberger Canada Limited | 6913 |
7 |
| GM Global Technology Operations LLC | 13620 |
7 |
| Danfoss Power Solutions Inc. | 116 |
7 |
| Graco Minnesota Inc. | 1124 |
7 |
| Other owners | 846 |