B01F 33/4092
Storing receptacles provided with separate mixing chambers
Official title: {Storing receptacles provided with separate mixing chambers}
B01F33/4092 (Storing receptacles provided with separate mixing chambers) appears on 21 US grants and 0 published applications in this corpus.
Search patents in B01F- Granted patents
- 21
- Published applications
- 0
- Assignees
- 8
- Inventors
- 26
- Latest grant
- 5 Feb 1991
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Silo for pulverulent and fine-grained bulk materials5 Feb 1991US 4,989,380 AIbau Hamburg Ingenieurgeselllschaft Industriebau mbH
- Silo for storing and discharging bulk material and method of operating such silo5 Jun 1990US 4,930,943 AKrupp Polysius AG
- Emptying device for a bulk silo27 Dec 1988US 4,793,529 AClaudius Peters AG
- Bulk silo with aerated mixing or homogenizing chamber9 Jun 1987US 4,671,030 AClaudius Peters AG
- Double silo19 Aug 1986US 4,606,158 AClaudius Peters AG
No published applications in this class yet.
Most cited
By later US patents
- Silo combination for mixing stored material17US 4,375,335 A1983
- Vertical silo for fluid bulk material with an inner blending chamber15US 4,239,421 AClaudius Peters AG · 1980
- Silo for storage of powder-like commodities13US 4,382,723 AFa. Johannes Moller Hamburg GmbH & Co. KG · 1983
- Continuous mixing silo and method of operation10US 4,472,062 AKrupp Polysius AG · 1984
- Blender for powdery material8US 4,534,653 AFuller Company · 1985