- All sections
- B - Performing operations; transporting
- B65D - Containers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers; accessories, closures, or fittings therefor; packaging elements; packages
- B65D 49/04 - Weighted valves
Patent holdings for IPC class B65D 49/04
Total number of patents in this class: 57
10-year publication summary
4
|
3
|
11
|
1
|
5
|
1
|
1
|
2
|
2
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Guala Closures S.p.A. | 152 |
8 |
Obrist Closures Switzerland GmbH | 272 |
6 |
Owens-Brockway Glass Container Inc. | 716 |
6 |
Krallmann Kunststoffverarbeitung GmbH | 18 |
3 |
Poura Ltd | 6 |
3 |
Société des Produits Nestlé S.A. | 9672 |
2 |
ALCAN Packaging Capsules | 17 |
2 |
Compania de Tapones Irrellenables, S.A. | 12 |
2 |
Gefit S.p.A. | 10 |
2 |
Hsil Limited | 3 |
2 |
Laboratoires Thea | 262 |
2 |
Closurelogic GmbH | 16 |
1 |
Nissei ASB Machine Co., Ltd. | 345 |
1 |
TAPÌ s.p.a. | 12 |
1 |
Estal Packaging, S.A. | 10 |
1 |
Ataturk Universitesi Bilimsel Arastirma Projeleri Birimi | 86 |
1 |
Labrenta S.r.l. | 7 |
1 |
Guala Closures Patents B.V. | 7 |
1 |
BERICAP Kapak Sanayi Anonim Sirketi | 2 |
1 |
Creative GCL S.r.l. | 2 |
1 |
Other owners | 10 |