B65G 53/28
Systems utilising a combination of gas pressure and suction
Official title: Systems utilising a combination of gas pressure and suction (inducing feed of the materials by suction in gas pressure systems B65G53/14)
B65G53/28 (Systems utilising a combination of gas pressure and suction) appears on 95 US grants and 70 published applications in this corpus.
Search patents in B65G- Granted patents
- 95
- Published applications
- 70
- Assignees
- 60
- Inventors
- 137
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 4 | 3 |
| 2004 | 4 | 3 |
| 2005 | 1 | 5 |
| 2006 | 4 | 3 |
| 2007 | 2 | 3 |
| 2008 | 2 | 3 |
| 2009 | 3 | 3 |
| 2010 | 2 | 5 |
| 2011 | 1 | 3 |
| 2012 | 5 | 4 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 2 | 2 |
| 2016 | 5 | 4 |
| 2017 | 5 | 5 |
| 2018 | 3 | 2 |
| 2019 | 1 | 3 |
| 2020 | 4 | 0 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 5 |
| 2025 | 5 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dense phase powder pump3 Mar 2026US 12,564,849 B2Gema Switzerland GmbH
- Particle transfer system and particle transfer method13 Jan 2026US 12,522,450 B2Techwin Co., Ltd.
- Dense-phase powder pump with pinch valve and pinch valve25 Nov 2025US 12,479,000 B2Gema Switzerland GmbH
- Dense-phase powder pump for conveying powder-type materials18 Nov 2025US 12,472,517 B2Gema Switzerland GmbH
- Powder handling device28 Oct 2025US 12,454,100 B2General Electric Company
- Powder handling device5 Feb 2026US 2026/0034730 A1General Electric Company
- System for handling powdered materials2 Oct 2025US 2025/0304383 A1The Chemours Company Fc, LLC
- System and Method for Loading and Unloading Tanks Used in a Physical, Chemical and/or Biological Process14 Aug 2025US 2025/0256929 A1Dynamic Air Ltda
- Dense-phase powder pump for conveying powder-type materials26 Sep 2024US 2024/0316582 A1Gema Switzerland GmbH
- Dense-phase powder pump with pinch valve and pinch valve26 Sep 2024US 2024/0316591 A1Gema Switzerland GmbH
Most cited
By later US patents
- Process and device for pneumatically conveying powdery substances and their use63US 6,325,572 B12001
- Apparatus and method of pneumatically conveying powder substances and use of the apparatus53US 6,508,610 B22003
- Process and equipment for the conveyance of powdered material50US 7,150,585 B2Nordson Corporation · 2006
- Batch transfer system39US 4,005,908 A1977
- Device for conveying powder and method for operating the same39US 7,163,359 B2Ramseier Technologies AG · 2007