- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/954 - Inspecting the inner surface of hollow bodies, e.g. bores
Patent holdings for IPC class G01N 21/954
Total number of patents in this class: 680
10-year publication summary
|
53
|
70
|
67
|
62
|
83
|
52
|
70
|
59
|
57
|
21
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seescan, Inc. | 457 |
39 |
| General Electric Company | 18133 |
27 |
| Lufthansa Technik AG | 468 |
24 |
| Siemens Energy, Inc. | 1770 |
21 |
| Baker Hughes Holdings LLC | 3060 |
18 |
| Rolls-Royce PLC | 2944 |
17 |
| The Boeing Company | 19843 |
13 |
| Pirelli Tyre S.p.A. | 1832 |
13 |
| e.V. Offshore Limited | 59 |
11 |
| RedZone Robotics, Inc. | 71 |
11 |
| GE Infrastructure Technology, LLC | 5873 |
10 |
| Saudi Arabian Oil Company | 11322 |
8 |
| Envirosight LLC | 33 |
7 |
| Oliver Crispin Robotics Limited | 82 |
7 |
| Baker Hughes, a GE Company, LLC | 2171 |
7 |
| Aver Technologies, Inc. | 12 |
7 |
| Halliburton Energy Services, Inc. | 20165 |
6 |
| Honda Motor Co., Ltd. | 24537 |
5 |
| Olympus Corporation | 13667 |
5 |
| IPG Photonics Corporation | 494 |
5 |
| Other owners | 419 |