- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- 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: 1091
10-year publication summary
|
49
|
51
|
68
|
48
|
53
|
55
|
44
|
48
|
42
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42684 |
49 |
| Halliburton Energy Services, Inc. | 20901 |
36 |
| Caterpillar Inc. | 9549 |
20 |
| DEKA Products Limited Partnership | 1769 |
18 |
| Kaeser KOMPRESSOREN SE | 183 |
16 |
| Hitachi Construction Machinery Co., Ltd. | 2643 |
15 |
| Danfoss A/S | 1355 |
15 |
| Danfoss Power Solutions GmbH & Co. OHG | 73 |
14 |
| Sanden Corporation | 966 |
13 |
| Denso Corporation | 24316 |
9 |
| Carrier Corporation | 4344 |
9 |
| Edwards Limited | 787 |
9 |
| Danfoss Power Solutions Inc. | 111 |
8 |
| I-jack Technologies Incorporated | 24 |
8 |
| Schlumberger Canada Limited | 7296 |
7 |
| GM Global Technology Operations LLC | 15062 |
7 |
| Komatsu Ltd. | 4554 |
7 |
| Emerson Climate Technologies, Inc. | 302 |
7 |
| Hitachi Astemo, Ltd. | 6387 |
7 |
| Schlumberger Technology Corporation | 10727 |
6 |
| Other owners | 811 |