B23D 37/18
Broaching machines with working tools mounted on an endless chain or belt
B23D37/18 (Broaching machines with working tools mounted on an endless chain or belt) appears on 7 US grants and 1 published applications in this corpus.
Search patents in B23D- Granted patents
- 7
- Published applications
- 1
- Assignees
- 3
- Inventors
- 7
- Latest grant
- 18 May 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Linear broach machining system18 May 2004US 6,736,575 B2The Crankshaft Machine Group, a division of Avis Industrial Corp.
- Controllable tooling for gear cutting machine28 Apr 1981US 4,264,248 AThe Gleason Works
- Endless chain apparatus for forming spur and helical gears with means for controlling chain27 May 1980US 4,204,786 AThe Gleason Works
- Endless chain apparatus for forming spur and helical gears15 Apr 1980US 4,198,184 AThe Gleason Works
- Metalworking apparatus having improved means for supporting and guiding an endless chain15 Apr 1980US 4,198,185 AThe Gleason Works
Most cited
By later US patents