- 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: 945
10-year publication summary
|
61
|
73
|
74
|
78
|
87
|
73
|
81
|
75
|
79
|
30
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Krones AG | 2037 |
81 |
| Tiama | 78 |
42 |
| KHS GmbH | 1381 |
34 |
| Amgen Inc. | 3779 |
28 |
| Owens-Brockway Glass Container Inc. | 716 |
22 |
| Sacmi Cooperativa Meccanici Imola Societa' Cooperativa | 529 |
21 |
| NEC Corporation | 32703 |
20 |
| Finatec Holding AG | 32 |
19 |
| Heuft Systemtechnik GmbH | 54 |
17 |
| MSC & Sgcc | 27 |
17 |
| Toyo Glass Co., Ltd. | 66 |
14 |
| Kirin Techno-system Company, Limited | 19 |
11 |
| Siemens Healthcare Diagnostics Inc. | 1946 |
11 |
| Wilco AG | 43 |
11 |
| Applied Vision Corporation | 42 |
8 |
| CKD Corporation | 424 |
8 |
| Toyo Seikan Group Holdings, Ltd. | 765 |
8 |
| Universal Can Corporation | 54 |
8 |
| KHS AG | 167 |
7 |
| Sio2 Medical Products, Inc. | 199 |
7 |
| Other owners | 551 |