B21J 9/04
Piercing presses
B21J9/04 (Piercing presses) appears on 20 US grants and 10 published applications in this corpus.
Search patents in B21J- Granted patents
- 20
- Published applications
- 10
- Assignees
- 13
- Inventors
- 47
- Latest grant
- 30 Jun 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 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 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 3 |
| 2008 | 2 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Vehicle stabilizer, processing device for eye portion of stabilizer, and processing method for eye portion30 Jun 2020US 10,696,122 B2NHK Spring Co., Ltd.
- Sideways forming25 Dec 2018US 10,160,034 B2The National Machinery Company
- Piercing apparatus, plug used for piercing apparatus, and method for producing seamless steel pipe17 Jan 2017US 9,545,658 B2Nippon Steel & Sumitomo Metal Corporation
- Radioactive substance container, manufacturing apparatus thereof and manufacturing method thereof4 Mar 2014US 8,661,867 B2Mitsubishi Heavy Industries, Ltd.
- Injection valve and method of making orifice25 Jan 2011US 7,874,070 B2Hitachi, Ltd.
- Multidirectional Synchronous Punch-forming Forging Machine22 Feb 2024US 2024/0058859 A1
- Vehicle stabilizer, processing device for eye portion of stabilizer, and processing method for eye portion16 Aug 2018US 2018/0229576 A1NHK Spring Co., Ltd.
- Sideways forming2 Aug 2018US 2018/0214931 A1The National Machinery Company
- Piercing apparatus, plug used for piercing apparatus, and method for producing seamless steel pipe18 Sep 2014US 2014/0260494 A1Nippon Steel & Sumitomo Metal Corporation
- Radioactive substance container, manufacturing apparatus thereof and manufacturing method thereof4 Sep 2008US 2008/0209972 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Multiplexed synchronous/asynchronous data bus25US 4,972,432 AMotorola, Inc. · 1990
- Apparatus and process for forced lubrication piercing11US 4,703,639 A1987
- Mechanism for forming a hole through a forged workpiece9US 4,391,118 AUnited States Steel Corporation · 1983
- Piercing a solid billet5US 4,129,022 AMannesmann Aktiengesellschaft · 1978
- Wobble-die forging machine5US 4,651,548 AHeinrich Schmid Maschinenund Werkzeugbau AG · 1987