- 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: 1092
10-year publication summary
|
43
|
41
|
64
|
43
|
48
|
54
|
41
|
43
|
41
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42861 |
50 |
| Halliburton Energy Services, Inc. | 20991 |
36 |
| Caterpillar Inc. | 9659 |
20 |
| DEKA Products Limited Partnership | 1790 |
18 |
| Kaeser KOMPRESSOREN SE | 182 |
16 |
| Hitachi Construction Machinery Co., Ltd. | 2677 |
15 |
| Danfoss A/S | 1355 |
15 |
| Danfoss Power Solutions GmbH & Co. OHG | 73 |
14 |
| Sanden Corporation | 964 |
13 |
| Hamilton Sundstrand Corporation | 4932 |
9 |
| Carrier Corporation | 4303 |
9 |
| Edwards Limited | 788 |
9 |
| Danfoss Power Solutions Inc. | 110 |
8 |
| I-jack Technologies Incorporated | 24 |
8 |
| Schlumberger Technology Corporation | 10930 |
7 |
| Schlumberger Canada Limited | 7383 |
7 |
| GM Global Technology Operations LLC | 15220 |
7 |
| Denso Corporation | 24588 |
7 |
| Komatsu Ltd. | 4602 |
7 |
| Emerson Climate Technologies, Inc. | 301 |
7 |
| Other owners | 810 |