F27D 2019/0062
Control of the workpiece stay in different zones
Official title: {control of the workpiece stay in different zones}
F27D2019/0062 (Control of the workpiece stay in different zones) appears on 4 US grants and 1 published applications in this corpus.
Search patents in F27D- Granted patents
- 4
- Published applications
- 1
- Assignees
- 5
- Inventors
- 9
- Latest grant
- 3 Apr 2001
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 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 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Heat treatment material handling unit3 Apr 2001US 6,210,156 B1General Motors Corporation
- Heat treatment method using a zoned tunnel furnace30 Oct 1990US 4,966,547 ACentral Glass Company, Limited
- Method and apparatus for heating removably attachable heading tool dies11 Jul 1989US 4,846,674 AMicrodot Inc.
- Rotary hearth furnace and method of loading and unloading the furnace1 Nov 1983US 4,412,813 AAlco Standard Corporation
Most cited
By later US patents
- Heat treatment method using a zoned tunnel furnace26US 4,966,547 ACentral Glass Company, Limited · 1990
- Rotary hearth furnace and method of loading and unloading the furnace11US 4,412,813 AAlco Standard Corporation · 1983
- Heat treatment material handling unit2US 6,210,156 B1General Motors Corporation · 2001