B65G 33/16
With flexible screws operating in flexible tubes
Official title: with flexible screws operating in flexible tubes
B65G33/16 (With flexible screws operating in flexible tubes) appears on 19 US grants and 13 published applications in this corpus.
Search patents in B65G- Granted patents
- 19
- Published applications
- 13
- Assignees
- 13
- Inventors
- 43
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 3 |
| 2019 | 1 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Techniques for powder delivery in additive fabrication and related systems and methods3 Mar 2026US 12,565,003 B2Formlabs, Inc.
- Transport device, transport method and system for reclaiming aggregates26 Nov 2024US 12,151,900 B2Wamgroup S.P.A.
- Forage harvester material applicator system and related method9 May 2023US 11,641,802 B2Great Lakes Forage Systems, LLC
- Automatic cleaned drain piping system on crosshead type two-stroke engines, having a slow rotating centreless flexible spiral auger fixed mounted in the piping system17 Jan 2023US 11,555,445 B2Thorhansa ApS
- Talc applicator for use with agricultural equipment and operations30 Jun 2020US 10,694,657 B2J&M Manufactuing Co., Inc.
- Techniques for powder delivery in additive fabrication and related systems and methods5 Oct 2023US 2023/0311419 A1Formlabs, Inc.
- Transport device, transport method and system for reclaiming aggregates20 Apr 2023US 2023/0122448 A1Wamgroup S.P.A.
- Forage harvester material applicator system and related method24 Feb 2022US 2022/0053697 A1Great Lakes Forage Systems, LLC
- Automatic cleaned drain piping system on crosshead type two-stroke engines, having a slow rotating centreless flexible spiral auger fixed mounted in the piping system24 Dec 2020US 2020/0400067 A1Thorhansa ApS
- Talc applicator for use with agricultural equipment and operations23 Apr 2020US 2020/0120856 A1J&M Manufactuing Co., Inc.
Most cited
By later US patents
- Devices which comprise a helical spring used as conveying, extracting, quantity-controlling or mixing means51US 4,496,086 APari-Symac · 1985
- Telescopic auger31US 5,099,986 A1992
- Telescopic auger11US 5,099,984 A1992
- Flexible screw for conveyors7US 5,351,806 AMitsubishi Cable Industries, Ltd. · 1994
- Screw conveyor device5US 4,872,546 A1989