Y10S 210/921
Flow equalization or time controlled stages or cycles
Y10S210/921 (Flow equalization or time controlled stages or cycles) appears on 48 US grants and 8 published applications in this corpus.
Search patents in Y10S- Granted patents
- 48
- Published applications
- 8
- Assignees
- 28
- Inventors
- 64
- Latest grant
- 18 Nov 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 2 |
| 2004 | 2 | 2 |
| 2005 | 2 | 1 |
| 2006 | 3 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Coiled continuous flow water treatment apparatus and method18 Nov 2014US 8,889,007 B2
- Grease separator for kitchen sinks and other applications26 Dec 2006US 7,153,439 B1Thermaco, Inc.
- Method for cleaning a filter element in a filtering chamber and filter carrying out the method25 Jul 2006US 7,081,207 B2Parker-Hannifin Corporation
- Method and apparatus for the treatment of wastewater13 Jun 2006US 7,060,186 B2
- Method and apparatus for removing particulate contaminants from commercial laundry wastewater9 Aug 2005US 6,926,822 B2
- Coiled continuous flow water treatment apparatus and method17 Nov 2011US 2011/0278220 A1
- Method and apparatus for the treatment of wastewater17 Mar 2005US 2005/0056588 A1
- Method for cleaning a filter element in a filtering chamber and filter carrying out the method2 Dec 2004US 2004/0238461 A1Parker-Hannifin Corporation
- Method and apparatus for removing particulate contaminants from commercial laundry wastewater15 Jul 2004US 2004/0134848 A1
- Rain water treating device in combined sewage, backwashing method therefor12 Jun 2003US 2003/0106859 A1NGK Insulators, Ltd.
Most cited
By later US patents
- Controlling wastewater treatment by monitoring oxygen utilization rates107US 5,989,428 A1999
- Wastewater treatment mechanism46US 5,207,896 ANorwalk Wastewater Equipment Company · 1993
- Wastewater treatment apparatus with an outer filtration unit and an inner settling unit40US 5,413,706 ANorwalk Wastewater Equipment Company d/b/a NORWECO, Inc. · 1995
- Waste water drainfield35US 5,322,387 A1994
- Method of plain sedimentation and physical-chemical sedimentation of domestic or industrial waste water34US 5,770,091 AOmnium de Traitement et de Valorisation · 1998