B01D 29/416
Filtering tables
Official title: {Filtering tables}
B01D29/416 (Filtering tables) appears on 20 US grants and 0 published applications in this corpus.
Search patents in B01D- Granted patents
- 20
- Published applications
- 0
- Assignees
- 10
- Inventors
- 26
- Latest grant
- 21 May 2002
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Filtration member for a horizontal disc filter21 May 2002US 6,391,199 B1Seitz-Schenk Filtersystems GmbH
- Disk filter20 Jun 2000US 6,077,428 ASchenk Filterbau Gesellschaft Mit Beschraenkter Haftung
- Filter apparatus including stacked intake and discharge plates27 Aug 1996US 5,549,824 AIng. A. Maurer S.A.
- Plate-type filter4 Jul 1989US 4,844,794 ASchenk-Filterbau Gesellschaft mit beschrankter Haftung
- Rotary disc filter element24 Nov 1987US 4,708,797 AAnton Steinecker Maschinenfabrick GmbH
No published applications in this class yet.
Most cited
By later US patents
- Filter apparatus including stacked intake and discharge plates31US 5,549,824 AIng. A. Maurer S.A. · 1996
- Rotary disc filter element12US 4,708,797 AAnton Steinecker Maschinenfabrick GmbH · 1987
- Filtering apparatus with rotatable filter elements and seal10US 4,104,169 A1978
- Filter apparatus and a method of cleaning filter elements thereof9US 4,404,106 AChemap AG · 1983
- Filter element for disc-type filter7US 4,116,842 ADr. Ing. Hans Mueller · 1978