C14B 1/40
Softening or making skins or leather supple
Official title: Softening or making skins or leather supple, e.g. by staking, boarding, or crippling machines, by dry mills
C14B1/40 (Softening or making skins or leather supple) appears on 14 US grants and 3 published applications in this corpus.
Search patents in C14B- Granted patents
- 14
- Published applications
- 3
- Assignees
- 7
- Inventors
- 19
- Latest grant
- 26 Jun 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Process and device for treating leather26 Jun 2012US 8,206,461 B1BOXMARK LEATHER proizvodnja in trgovina d.o.o.
- Method and apparatus for drying industrial hides23 May 2006US 7,047,665 B2Officine di Cartigliano S.p.A.
- Method and line for the continuous stretching of hides and other similar products25 Oct 2005US 6,957,553 B2Officine di Cartigliano S.p.A.
- Hide stretching apparatus5 Sep 2000US 6,112,559 AEmilio Buttazzi
- Device for continuously adjusting the working pressure for staking machines with beating plates26 Oct 1999US 5,970,754 AOfficine di Cartigliano S.p.A.
Most cited
By later US patents
- Method and apparatus for making drawn containers48US 4,051,707 AKraft, Inc. · 1977
- Machine for softening and stretching laminar products, particularly tanned hides7US 5,184,487 AOfficine di Cartigliano S.p.A. · 1993
- Processing plant for treating hides, skins, pieces of leather and the like6US 4,559,793 A1985
- Method and apparatus for flexibilizing leather3US 4,100,771 A1978
- Device for continuously adjusting the working pressure for staking machines with beating plates3US 5,970,754 AOfficine di Cartigliano S.p.A. · 1999