- All sections
- G - Physics
- G01M - Testing static or dynamic balance of machines or structurestesting of structures or apparatus, not otherwise provided for
- G01M 15/04 - Testing internal-combustion engines
Patent holdings for IPC class G01M 15/04
Total number of patents in this class: 619
10-year publication summary
|
55
|
63
|
67
|
63
|
40
|
27
|
29
|
18
|
9
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42815 |
46 |
| Denso Corporation | 24541 |
32 |
| AVL List GmbH | 1302 |
24 |
| Toyota Motor Corporation | 32956 |
23 |
| Ford Global Technologies, LLC | 20723 |
21 |
| Hitachi Astemo, Ltd. | 6381 |
16 |
| Meidensha Corporation | 903 |
15 |
| GM Global Technology Operations LLC | 15173 |
13 |
| Vitesco Technologies GmbH | 2594 |
13 |
| Honda Motor Co., Ltd. | 25771 |
12 |
| Caterpillar Inc. | 9640 |
12 |
| Scania CV AB | 2400 |
10 |
| Perkins Engines Company Limited | 294 |
8 |
| Pratt & Whitney Canada Corp. | 4834 |
7 |
| Hyundai Motor Company | 22369 |
7 |
| RENAULT s.a.s. | 5468 |
7 |
| Continental Automotive GmbH | 4768 |
6 |
| Bayerische Motoren Werke Aktiengesellschaft | 14496 |
6 |
| Cummins Filtration IP, Inc. | 805 |
6 |
| Safran Aircraft Engines | 6316 |
6 |
| Other owners | 329 |