- 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: 734
10-year publication summary
|
70
|
67
|
62
|
85
|
52
|
71
|
60
|
59
|
56
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seescan, Inc. | 527 |
43 |
| General Electric Company | 13823 |
28 |
| Lufthansa Technik AG | 479 |
24 |
| Baker Hughes Holdings LLC | 3011 |
24 |
| Siemens Energy, Inc. | 1694 |
21 |
| Rolls-Royce PLC | 3033 |
17 |
| Pirelli Tyre S.p.A. | 1898 |
13 |
| The Boeing Company | 19994 |
12 |
| e.V. Offshore Limited | 62 |
12 |
| RedZone Robotics, Inc. | 69 |
12 |
| GE Infrastructure Technology, LLC | 6191 |
11 |
| Envirosight LLC | 35 |
8 |
| Oliver Crispin Robotics Limited | 98 |
8 |
| Saudi Arabian Oil Company | 12833 |
8 |
| Halliburton Energy Services, Inc. | 20730 |
7 |
| Baker Hughes, a GE Company, LLC | 2115 |
7 |
| Aver Technologies, Inc. | 13 |
7 |
| Honda Motor Co., Ltd. | 25127 |
6 |
| FUJIFILM Corporation | 29208 |
6 |
| Olympus Corporation | 13201 |
5 |
| Other owners | 455 |