- All sections
- E - Fixed constructions
- E04H - Buildings or like structures for particular purposesswimming or splash baths or poolsmastsfencingtents or canopies, in general
- E04H 7/22 - Containers for fluent solids, e.g. silos or bunkersSupports therefor
Patent holdings for IPC class E04H 7/22
Total number of patents in this class: 134
10-year publication summary
|
7
|
12
|
15
|
14
|
11
|
6
|
13
|
4
|
5
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sukup Manufacturing Company | 138 |
11 |
| CTB, Inc. | 348 |
9 |
| 543077 Alberta Ltd. | 29 |
7 |
| Liberty Energy Services LLC | 69 |
6 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4117 |
5 |
| J&m Industries, Inc. | 7 |
4 |
| Agnew Steel, Inc. | 4 |
4 |
| Soles Enterprises, Inc | 8 |
4 |
| Schlumberger Technology Corporation | 11818 |
3 |
| Westcap AG Corp. | 4 |
3 |
| 10238303 Manitoba Ltd. | 4 |
3 |
| J & M Industries, Inc. | 25 |
2 |
| Meridian Manufacturing Inc. | 51 |
2 |
| Solaris Oilfield Site Services Operating, LLC | 26 |
2 |
| Storage Systems Northwest, Inc. | 3 |
2 |
| Technologies Intelia Inc. | 20 |
2 |
| Les Consultants Penteract Inc. | 2 |
2 |
| Grain Storage Pty Ltd | 3 |
2 |
| Heid AG | 3 |
2 |
| Deere & Company | 8097 |
1 |
| Other owners | 58 |