- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/90 - Investigating the presence of flaws, defects or contamination in a container or its contents
Patent holdings for IPC class G01N 21/90
Total number of patents in this class: 1004
10-year publication summary
|
73
|
74
|
78
|
87
|
74
|
83
|
76
|
85
|
79
|
32
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Krones AG | 2166 |
89 |
| Tiama | 81 |
45 |
| Amgen Inc. | 4047 |
35 |
| KHS GmbH | 1414 |
33 |
| NEC Corporation | 35351 |
25 |
| Sacmi Cooperativa Meccanici Imola Societa' Cooperativa | 553 |
23 |
| Finatec Holding AG | 34 |
20 |
| Heuft Systemtechnik GmbH | 54 |
19 |
| MSC & Sgcc | 27 |
17 |
| Owens-Brockway Glass Container Inc. | 758 |
17 |
| Toyo Glass Co., Ltd. | 66 |
14 |
| Wilco AG | 45 |
12 |
| Kirin Techno-system Company, Limited | 19 |
11 |
| Siemens Healthcare Diagnostics Inc. | 2043 |
11 |
| Tetra Laval Holdings & Finance S.A. | 2123 |
10 |
| Applied Vision Corporation | 41 |
9 |
| CKD Corporation | 451 |
9 |
| Toyo Seikan Group Holdings, Ltd. | 830 |
8 |
| Stryker Corporation | 4884 |
7 |
| GasPorOx AB | 47 |
7 |
| Other owners | 583 |