Y10S 159/905
Sewage treatment
Y10S159/905 (Sewage treatment) appears on 25 US grants and 0 published applications in this corpus.
Search patents in Y10S- Granted patents
- 25
- Published applications
- 0
- Assignees
- 10
- Inventors
- 39
- Latest grant
- 20 Nov 2001
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- System for processing waste water20 Nov 2001US 6,319,408 B1Ovation Products Corporation
- System and a rotary vacuum distiller for water recovery from aqueous solutions, preferably from urine aboard spacecraft10 Jul 2001US 6,258,215 B1Otkrytoe aktsionernoe obschestvo “Nauchno-Issledovatelsky I Konstruktosky Institut Kkhimicheskogo Mashinostroenia (A. O. Neikhimmash”)
- Method of freeze drying sewage sludge25 Mar 1997US 5,614,107 AEnviro-Tech-2000, Inc.
- Retrofit waste vault system12 Nov 1996US 5,573,661 AThe Shane Group, Inc.
- Urine treating device28 Dec 1993US 5,273,719 AJapanic Corporation
No published applications in this class yet.
Most cited
By later US patents
- Vacuum draft submerged combustion separation system112US 5,032,230 ADeep Woods, Inc. · 1991
- Process and apparatus for recovering clean water and solids from aqueous solids60US 4,270,974 AHanover Research Corporation · 1981
- Apparatus and process for the pyrolysis of waste solids concentrates59US 4,013,516 AHanover Research Corporation · 1977
- Process and apparatus for recovering residual oil from solids dehydrated in an oil medium and grossly deoiled56US 3,950,230 AHanover Research Corporation · 1976
- Wet combustion process42US 4,017,421 A1977