B23Q 2003/155414
The transfer mechanism comprising two or more grippers
Official title: {the transfer mechanism comprising two or more grippers}
B23Q2003/155414 (The transfer mechanism comprising two or more grippers) appears on 177 US grants and 139 published applications in this corpus.
Search patents in B23Q- Granted patents
- 177
- Published applications
- 139
- Assignees
- 136
- Inventors
- 415
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 7 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 5 |
| 2003 | 5 | 3 |
| 2004 | 4 | 1 |
| 2005 | 0 | 1 |
| 2006 | 3 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 2 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 4 |
| 2012 | 1 | 0 |
| 2013 | 1 | 3 |
| 2014 | 4 | 9 |
| 2015 | 1 | 7 |
| 2016 | 5 | 8 |
| 2017 | 3 | 7 |
| 2018 | 11 | 6 |
| 2019 | 7 | 11 |
| 2020 | 4 | 16 |
| 2021 | 8 | 7 |
| 2022 | 7 | 11 |
| 2023 | 7 | 11 |
| 2024 | 6 | 6 |
| 2025 | 0 | 8 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B23Q 2003/155425PivotableIndexing code153
- B23Q 2003/155418The grippers moving togetherIndexing code140
- B23Q 2003/155421The grippers moving independently from each otherIndexing code19
- B23Q 2003/155453Including different gripper configurations for holding differently-configured toolsIndexing code10
- B23Q 2003/155449Linearly movable onlyIndexing code9
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Most cited
By later US patents
- Tool carousel72US 6,228,008 B1Bridgeport Machines Limited · 2001
- Manipulator for tools and tool adapters45US 5,093,978 AWerner und Kolb Werkzeugmaschinen GmbH · 1992
- Automatic blade changing system33US 6,030,326 ASeiko Seiki Kabushiki Kaisha · 2000
- Tool change mechanism for machine tools31US 4,087,901 AKearney & Trecker Corporation · 1978
- Automatic tool changing apparatus29US 4,833,772 ABrother Kogyo Kabushiki Kaisha · 1989