- 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: 1080
10-year publication summary
|
74
|
78
|
87
|
75
|
83
|
78
|
87
|
84
|
78
|
44
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Krones AG | 2275 |
88 |
| Tiama | 87 |
49 |
| Amgen Inc. | 4425 |
45 |
| KHS GmbH | 1452 |
35 |
| NEC Corporation | 36934 |
32 |
| Sacmi Cooperativa Meccanici Imola Societa' Cooperativa | 583 |
24 |
| Finatec Holding AG | 40 |
21 |
| Heuft Systemtechnik GmbH | 58 |
21 |
| MSC & Sgcc | 26 |
17 |
| Toyo Glass Co., Ltd. | 68 |
17 |
| Owens-Brockway Glass Container Inc. | 797 |
15 |
| Siemens Healthcare Diagnostics Inc. | 2144 |
13 |
| Wilco AG | 45 |
13 |
| Tetra Laval Holdings & Finance S.A. | 2228 |
12 |
| Kirin Techno-system Company, Limited | 16 |
11 |
| Applied Vision Corporation | 41 |
10 |
| CKD Corporation | 468 |
10 |
| Sidel Participations | 1073 |
10 |
| Toyo Seikan Group Holdings, Ltd. | 853 |
8 |
| Stryker Corporation | 5337 |
7 |
| Other owners | 622 |