B65G 2812/1691
Pumping systems
B65G2812/1691 (Pumping systems) appears on 1 US grants and 3 published applications in this corpus.
Search patents in B65G- Granted patents
- 1
- Published applications
- 3
- Assignees
- 2
- Inventors
- 6
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
By publication year.
Recent patents
- Powder feeding device and powder transfer method14 Aug 2025US 2025/0256928 A1SK On Co., Ltd.
- Pneumatic tube system with secure carrier storage12 Jun 2025US 2025/0187855 A1Pevco Systems International, Inc.
- Pneumatic tube system with secure carrier storage21 Jul 2022US 2022/0227589 A1Pevco Systems International, Inc.
Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.