B23D 37/04
For broaching inner surfaces
Official title: for broaching inner surfaces
B23D37/04 (For broaching inner surfaces) appears on 26 US grants and 17 published applications in this corpus.
Search patents in B23D- Granted patents
- 26
- Published applications
- 17
- Assignees
- 13
- Inventors
- 34
- Latest grant
- 4 Jan 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 2 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Broaching machine and lathe comprising same4 Jan 2022US 11,213,902 B2Doosan Machine Tools Co., Ltd.
- Broaching device18 Oct 2016US 9,468,984 B2Mitsubishi Heavy Industries, Ltd.
- Field-portable hole broaching machines and methods for using the same6 Sep 2016US 9,434,014 B1BNSF Railway Company
- Process for the manufacturing of joining profiles20 Nov 2012US 8,312,686 B2Pergo (Europe) AB
- Apparatus for making centrifugally-cast tube6 Dec 2011US 8,070,401 B2Manoir Industries, Inc.
- Grooving tool for connecting rod and breaking-promotion-portion forming device5 Aug 2021US 2021/0237171 A1Mazda Motor Corporation
- Broaching machine and lathe comprising same12 Dec 2019US 2019/0375031 A1Doosan Machine Tools Co., Ltd.
- Broaching device29 Aug 2013US 2013/0223947 A1Mitsubishi Heavy Industries, Ltd.
- Centrifugally-cast tube and related method and apparatus for making same4 Nov 2010US 2010/0275753 A1Manoir Industries, Inc.
- Centrifugally-cast tube and related method and apparatus for making same26 Aug 2010US 2010/0215454 A1Manoir Industries, Inc.
Most cited
By later US patents
- Process for the manufacturing of joining profiles169US 6,681,820 B2Pergo (Europe) AB · 2004
- Process and apparatus for treating inner surface treatment of chamber and vacuum chamber118US 5,626,682 AHitachi, Ltd. · 1997
- Apparatus for treating the inner surface of vacuum chamber111US 5,820,320 AHitachi, Ltd. · 1998
- Centrifugally-cast tube and related method and apparatus for making same19US 6,644,358 B2Manoir Industries, Inc. · 2003
- Loader/unloader for blind broaching18US 5,326,201 ANational Broach & Machine Company · 1994