Y10S 261/70
Sewage aerators
Official title: Sewage aerators; diffusers
Y10S261/70 (Sewage aerators) appears on 59 US grants and 28 published applications in this corpus.
Search patents in Y10S- Granted patents
- 59
- Published applications
- 28
- Assignees
- 32
- Inventors
- 73
- Latest grant
- 25 Feb 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 2 |
| 2002 | 9 | 2 |
| 2003 | 2 | 5 |
| 2004 | 2 | 2 |
| 2005 | 4 | 8 |
| 2006 | 3 | 1 |
| 2007 | 5 | 2 |
| 2008 | 0 | 4 |
| 2009 | 3 | 1 |
| 2010 | 2 | 0 |
| 2011 | 3 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Methods and apparatus for wastewater treatment25 Feb 2014US 8,657,268 B2
- Disk diffuser with improved seal22 Nov 2011US 8,061,689 B2Environmental Dynamics, Inc.
- Modular systems and methods for fluid dispersion20 Sep 2011US 8,020,839 B2Prototype Advancement LLC
- Strip diffuser23 Aug 2011US 8,002,249 B2ITT Manufacturing Enterprises, Inc.
- Self-standing weighted diffuser assembly4 May 2010US 7,708,259 B2
- Methods and apparatus for wastewater treatment9 Jun 2011US 2011/0132847 A1
- Disk diffuser with improved seal2 Jul 2009US 2009/0166901 A1Environmental Dynamics, Inc.
- Strip diffuser16 Oct 2008US 2008/0251954 A1ITT Manufacturing Enterprises, Inc.
- Self-standing weighted diffuser assembly28 Aug 2008US 2008/0203006 A1
- Modular systems and methods for fluid dispersion12 Jun 2008US 2008/0135648 A1Prototype Advancement LLC
Most cited
By later US patents
- System for maintaining a clean skein of hollow fibers while filtering suspended solids154US 5,944,997 AZenon Environmental Inc. · 1999
- Inverted air box aerator and aeration method for immersed membrane67US 6,863,823 B2Zenon Environmental Inc. · 2005
- Diffuser assembly46US 6,464,211 B1United States Filter Corporation · 2002
- Method for operating a chemical and/or physical process by means of a hierarchical fluid injection system43US 6,333,019 B12001
- Fine bubble diffuser and diffuser system having filtered blow-down tube39US 4,639,314 A1987