B31B 50/644
Making seals parallel to the direction of movement, i.e. longitudinal sealing
Official title: {Making seals parallel to the direction of movement, i.e. longitudinal sealing}
B31B50/644 (Making seals parallel to the direction of movement, i.e. longitudinal sealing) appears on 7 US grants and 10 published applications in this corpus.
Search patents in B31B- Granted patents
- 7
- Published applications
- 10
- Assignees
- 7
- Inventors
- 22
- Latest grant
- 3 Feb 2026
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| Year | Granted patents | Published applications |
|---|---|---|
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 2 |
| 2020 | 2 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
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Most cited
By later US patents