B65G 33/12
With screws formed by straight tubes or drums having internal threads, or
Official title: with screws formed by straight tubes or drums having internal threads, or by spiral or helical tubes
B65G33/12 (With screws formed by straight tubes or drums having internal threads, or) appears on 17 US grants and 13 published applications in this corpus.
Search patents in B65G- Granted patents
- 17
- Published applications
- 13
- Assignees
- 10
- Inventors
- 28
- Latest grant
- 22 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 2 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 2 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Programmable grain cart function control system22 Nov 2022US 11,503,769 B2
- Coreless auger manufacture15 Sep 2020US 10,773,287 B2Technical Systems (Pty) Ltd
- Independent floor storage system8 Sep 2020US 10,766,719 B2Laidig Systems, Inc.
- Feeder for bulk solids15 Jan 2019US 10,179,702 B2Battelle Energy Alliance, LLC
- Systems and methods for extracting particulate from raw slurry material4 Apr 2017US 9,610,521 B2Daritech, Inc.
- Modular rotating drum type conveying system10 Sep 2026US 2026/0264997 A1
- Refrigerated or Heated Food Ingredient Dispenser for Automated Cooking Apparatus23 Nov 2023US 2023/0371738 A1Kitchen Robotics Ltd
- Independent floor storage system6 Aug 2020US 2020/0247622 A1Laidig Systems, Inc.
- Programmable grain cart function control system7 May 2020US 2020/0137957 A1
- Coreless auger manufacture1 Mar 2018US 2018/0056355 A1Technical Systems (Pty) Ltd
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
- Modular screw conveyor17US 4,852,719 ALaitram, L. L. C. · 1989
- Systems and methods for extracting sand from raw slurry material13US 8,470,183 B2Daritech, Inc. · 2013
- Continuous-cycle electroplating plant9US 4,559,122 A1985
- Unitary screw conveyor apparatus9US 5,099,985 ALaitram, L. L. C. · 1992