- 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: 752
10-year publication summary
|
63
|
63
|
59
|
81
|
47
|
66
|
54
|
55
|
55
|
45
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seescan, Inc. | 533 |
45 |
| General Electric Company | 13859 |
29 |
| Baker Hughes Holdings LLC | 2999 |
25 |
| Lufthansa Technik AG | 481 |
24 |
| Siemens Energy, Inc. | 1706 |
21 |
| Rolls-Royce PLC | 3137 |
17 |
| The Boeing Company | 20139 |
13 |
| Pirelli Tyre S.p.A. | 1923 |
13 |
| e.V. Offshore Limited | 63 |
12 |
| RedZone Robotics, Inc. | 70 |
12 |
| GE Infrastructure Technology, LLC | 6252 |
11 |
| Envirosight LLC | 36 |
9 |
| Oliver Crispin Robotics Limited | 102 |
9 |
| Saudi Arabian Oil Company | 13428 |
9 |
| Halliburton Energy Services, Inc. | 20977 |
7 |
| Baker Hughes, a GE Company, LLC | 2109 |
7 |
| Aver Technologies, Inc. | 13 |
7 |
| Honda Motor Co., Ltd. | 25780 |
6 |
| FUJIFILM Corporation | 29702 |
6 |
| IPG Photonics Corporation | 545 |
6 |
| Other owners | 464 |