C02F 3/145
Protection against aerosols
Official title: {Protection against aerosols}
C02F3/145 (Protection against aerosols) appears on 15 US grants and 1 published applications in this corpus.
Search patents in C02F- Granted patents
- 15
- Published applications
- 1
- Assignees
- 13
- Inventors
- 32
- Latest grant
- 27 Aug 2002
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Water circulation apparatus and method27 Aug 2002US 6,439,853 B2PSI-ETS and Partnership
- Water circulation apparatus system and method13 Aug 2002US 6,432,302 B1PSI-ETS, A ND Partnership
- Aeration pond with oxygen recycling7 Aug 2001US 6,270,681 B1MG Industries
- Splash plate structure for aerators1 May 2001US 6,224,041 B1Smith & Loveless, Inc.
- System for enhanced gas dissolution having a hood positioned over the impeller with segregating rings14 Nov 2000US 6,145,815 APraxair Technology, Inc.
Most cited
By later US patents
- Gas-extraction arrangement for wastewater settling tank33US 4,391,704 AFischer & Porter Co. · 1983
- Emission reduction of organic volatiles from aerobic biological reactors25US 5,298,164 AUnited States Filter Corporation · 1994
- Water circulation apparatus system and method23US 6,432,302 B1PSI-ETS, A ND Partnership · 2002
- Water circulation apparatus and method23US 6,439,853 B2PSI-ETS and Partnership · 2002
- System for enhanced gas dissolution having a hood positioned over the impeller with segregating rings19US 6,145,815 APraxair Technology, Inc. · 2000