B28C 1/18
For comminuting clay lumps
Official title: for comminuting {clay lumps}
B28C1/18 (For comminuting clay lumps) appears on 4 US grants and 2 published applications in this corpus.
Search patents in B28C- Granted patents
- 4
- Published applications
- 2
- Assignees
- 4
- Inventors
- 8
- Latest grant
- 20 Nov 1990
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Clay crushing machine20 Nov 1990US 4,971,260 ACraven Fawcett Limited
- Method and apparatus for producing cement or plaster23 Aug 1983US 4,399,946 AMono Oakes Limited
- Milling apparatus29 Jun 1982US 4,336,910 A
- Kneading device for clay and similar materials1 Feb 1977US 4,005,855 AKarl Handle & Sohne, Maschinenfabrik und Eisengiesserei
Most cited
By later US patents
- Method and apparatus for producing cement or plaster9US 4,399,946 AMono Oakes Limited · 1983
- Clay crushing machine4US 4,971,260 ACraven Fawcett Limited · 1990
- Kneading device for clay and similar materials3US 4,005,855 AKarl Handle & Sohne, Maschinenfabrik und Eisengiesserei · 1977
- Milling apparatus1US 4,336,910 A1982