B65G 53/48
Screws or like rotary conveyors
B65G53/48 (Screws or like rotary conveyors) appears on 91 US grants and 67 published applications in this corpus.
Search patents in B65G- Granted patents
- 91
- Published applications
- 67
- Assignees
- 69
- Inventors
- 187
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 1 | 2 |
| 2006 | 3 | 3 |
| 2007 | 0 | 4 |
| 2008 | 3 | 4 |
| 2009 | 3 | 4 |
| 2010 | 3 | 1 |
| 2011 | 2 | 9 |
| 2012 | 2 | 5 |
| 2013 | 4 | 3 |
| 2014 | 4 | 2 |
| 2015 | 6 | 1 |
| 2016 | 2 | 7 |
| 2017 | 3 | 1 |
| 2018 | 3 | 1 |
| 2019 | 0 | 2 |
| 2020 | 5 | 1 |
| 2021 | 1 | 5 |
| 2022 | 1 | 3 |
| 2023 | 1 | 2 |
| 2024 | 4 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Powder feeder7 Apr 2026US 12,594,722 B2C4 Carbides Limited
- Methods and systems to control percent solids in conveyance pipe4 Nov 2025US 12,459,758 B2SonDance Solutions LLC
- Reactor discharge screw17 Sep 2024US 12,091,817 B2Valmet Corporation
- Pneumatic conveying system for separating bulk product3 Sep 2024US 12,076,751 B2Schenck Process LLC
- Rapid pretreatment6 Aug 2024US 12,054,761 B2Apalta Patents OÜ
- Powder Feeder28 May 2026US 2026/0145388 A1C4 Carbides Limited
- Conveying devices for bulk material, system comprising a conveying device of this type and method for cleaning a conveying device28 Aug 2025US 2025/0270059 A1Qlar Europe GmbH
- Rapid pretreatment26 Dec 2024US 2024/0425893 A1Apalta Patents OÜ
- Powder Feeder28 Dec 2023US 2023/0415417 A1C4 Carbides Limited
- Rapid pretreatment21 Sep 2023US 2023/0295678 A1Apalta Patents OÜ
Most cited
By later US patents
- Solids pumping apparatus48US 4,391,561 ACombustion Engineering, Inc. · 1983
- Apparatus for conveying and discharging bulk materials40US 5,299,888 AFinn Corporation · 1994
- Screw seal39US 4,881,862 AJenike & Johanson, Inc. · 1989
- Storage and extraction device for powdered products34US 4,183,702 ASociete Colmant Cuvelier Dodge · 1980
- Apparatus for conveying and discharging bulk materials29US 5,181,804 AFinn Corporation · 1993