B65G 33/18
With multiple screws in parallel arrangements
Official title: with multiple screws in parallel arrangements {, e.g. concentric}
B65G33/18 (With multiple screws in parallel arrangements) appears on 75 US grants and 80 published applications in this corpus.
Search patents in B65G- Granted patents
- 75
- Published applications
- 80
- Assignees
- 68
- Inventors
- 156
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 5 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 3 |
| 2014 | 5 | 5 |
| 2015 | 6 | 1 |
| 2016 | 3 | 3 |
| 2017 | 4 | 6 |
| 2018 | 4 | 4 |
| 2019 | 5 | 4 |
| 2020 | 3 | 7 |
| 2021 | 6 | 7 |
| 2022 | 5 | 4 |
| 2023 | 4 | 6 |
| 2024 | 4 | 6 |
| 2025 | 5 | 6 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Processing apparatus and processing method2 Jun 2026US 12,644,052 B2The Japan Steel Works, Ltd.
- Adjustable screw conveyor for material processing31 Mar 2026US 12,589,946 B2International Business Machines Corporation
- Apparatus and method for grinding particulate material15 Jul 2025US 12,357,998 B2Fidetechnology Lda
- Electric motor driven transportation mechanisms for fracturing blenders15 Jul 2025US 12,359,548 B2U.S. Well Services, LLC
- Doser mechanisms8 Jul 2025US 12,351,351 B2Altria Client Services LLC
- Electric motor driven transportation mechanisms for fracturing blenders16 Oct 2025US 2025/0320800 A1U.S. Well Services, LLC
- Doser mechanisms2 Oct 2025US 2025/0304298 A1Altria Client Services LLC
- Adjustable screw conveyor for material processing18 Sep 2025US 2025/0289669 A1International Business Machines Corporation
- Conveyor device and filling machine for pasty foods11 Sep 2025US 2025/0282555 A1VEMAG Maschinenbau GmbH
- Apparatus for supplying a particulate material19 Jun 2025US 2025/0196078 A1
Most cited
By later US patents
- Feeding of a pressurised device with variable grain sizing solid47US 7,469,781 B2Commissariat A L' Energie Atomique · 2008
- Screw feeder with multiple concentric flights46US 5,524,796 AHyer Industries, Inc. · 1996
- Telescopic auger31US 5,099,986 A1992
- Concentric auger feeder20US 6,193,053 B12001
- Press on sweep wheel treads17US 11,608,236 B2Sukup Manufacturing Company · 2023