B65G 2812/1641
Air pressure systems
B65G2812/1641 (Air pressure systems) appears on 10 US grants and 13 published applications in this corpus.
Search patents in B65G- Granted patents
- 10
- Published applications
- 13
- Assignees
- 11
- Inventors
- 21
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 2 |
| 2021 | 3 | 2 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
| 2025 | 0 | 3 |
| 2026 | 2 | 0 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pneumatic conveyor device for granular material and agricultural distributing machine18 Aug 2026US 12,708,065 B2Lemken GmbH & Co.KG
- Apparatus and method for moving viscous fluid by pressure12 May 2026US 12,624,793 B2Danhydra A/S
- Valve with pressure seal protection11 Jun 2024US 12,006,167 B2
- Pneumatic air booster20 Feb 2024US 11,905,131 B2
- Conveying system and method for pneumatically conveying plastic granulate22 Feb 2022US 11,254,520 B2Coperion GmbH
- System for handling powdered materials2 Oct 2025US 2025/0304383 A1The Chemours Company Fc, LLC
- Pneumatic conveyor device for granular material and agricultural distributing machine10 Jul 2025US 2025/0221330 A1Lemken GmbH & Co.KG
- Device and Method for Recovering and Re-Injecting Excess Powder26 Jun 2025US 2025/0206546 A1SK On Co., Ltd.
- Apparatus and method for moving viscous fluid by pressure16 Nov 2023US 2023/0366508 A1Danhydra A/S
- Pneumatic air booster22 Dec 2022US 2022/0402706 A1
Most cited
By later US patents
- Vacuum conveying system for bulk material, in particular plastic granules4US 11,066,255 B22021
- Pipe part for conveying a solid particulate material3US 8,801,340 B2Shell Oil Company · 2014
- Conveying system and method for pneumatically conveying plastic granulate2US 11,254,520 B2Coperion GmbH · 2022
- Pressurized tank and a device and method for feeding powder to a piping for conveying the powder1US 10,259,666 B2Sintokogio, Ltd. · 2019