B01D 33/0166
Bar screens
Official title: {Bar screens}
B01D33/0166 (Bar screens) appears on 6 US grants and 3 published applications in this corpus.
Search patents in B01D- Granted patents
- 6
- Published applications
- 3
- Assignees
- 5
- Inventors
- 7
- Latest grant
- 19 May 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Connector pipe screen19 May 2020US 10,653,983 B2Bio Clean Environmental Services, Inc.
- Stepping screen assembly hydraulically driven30 Dec 2003US 6,669,854 B1Hydro-Dyne Engineering, Inc.
- Elliptic motion driving apparatus for a step screen10 Dec 2002US 6,490,941 B1
- Stepping screen assembly for collecting solids in waste water discharges23 Jan 2001US 6,177,020 B1
- Apparatus for collecting and removing solid particles from a flowing fluid31 Oct 2000US 6,139,728 AHans Huber AG Maschinen-und Anlagenbau
Most cited
By later US patents
- Elliptic motion driving apparatus for a step screen20US 6,490,941 B12002
- Device for collecting and discharging solid matter19US 4,853,116 AHydropress Wallander & Co. AB · 1989
- Stepping screen assembly for collecting solids in waste water discharges7US 6,177,020 B12001
- Apparatus for collecting and removing solid particles from a flowing fluid5US 6,139,728 AHans Huber AG Maschinen-und Anlagenbau · 2000
- Stepping screen assembly hydraulically driven4US 6,669,854 B1Hydro-Dyne Engineering, Inc. · 2003