- 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: 1077
10-year publication summary
|
41
|
64
|
43
|
48
|
55
|
40
|
43
|
44
|
33
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 43500 |
52 |
| Halliburton Energy Services, Inc. | 21161 |
38 |
| Caterpillar Inc. | 10067 |
20 |
| DEKA Products Limited Partnership | 1843 |
19 |
| Kaeser KOMPRESSOREN SE | 186 |
16 |
| Danfoss A/S | 1392 |
15 |
| Hitachi Construction Machinery Co., Ltd. | 2728 |
14 |
| Danfoss Power Solutions GmbH & Co. OHG | 72 |
13 |
| Hamilton Sundstrand Corporation | 5013 |
11 |
| Sanden Corporation | 1001 |
11 |
| Edwards Limited | 784 |
9 |
| Danfoss Power Solutions Inc. | 111 |
8 |
| I-jack Technologies Incorporated | 29 |
8 |
| Schlumberger Technology Corporation | 11449 |
7 |
| GM Global Technology Operations LLC | 15721 |
7 |
| Carrier Corporation | 3972 |
7 |
| Emerson Climate Technologies, Inc. | 294 |
7 |
| Hitachi Astemo, Ltd. | 6404 |
7 |
| Schlumberger Canada Limited | 7544 |
6 |
| Denso Corporation | 25132 |
6 |
| Other owners | 796 |