B21G 3/28
By forging or pressing
Official title: by forging or pressing
B21G3/28 (By forging or pressing) appears on 26 US grants and 16 published applications in this corpus.
Search patents in B21G- Granted patents
- 26
- Published applications
- 16
- Assignees
- 13
- Inventors
- 44
- Latest grant
- 17 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 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 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 2 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 3 | 1 |
| 2022 | 2 | 4 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- High-speed and high quality nail-making system17 Oct 2023US 11,786,958 B2Zeus Techno Inc
- Long-life die for the manufacturing of elongate bodies18 Oct 2022US 11,471,931 B2Enkotec A/S
- Long-life die for the manufacturing of elongate bodies16 Aug 2022US 11,413,679 B2Enkotec A/S
- Die for the manufacturing of elongate bodies28 Dec 2021US 11,207,726 B2Enkotec A/S
- Part of machine for molding and casting nails and screws8 Jun 2021US D921,721 S1Enkotec A/S · Design
- High-Speed and High Quality Nail-Making System1 Sep 2022US 2022/0274156 A1Zeus Techno Inc
- Long-life die for the manufacturing of elongate bodies24 Mar 2022US 2022/0088669 A1Enkotec A/S
- Long-life die for the manufacturing of elongate bodies3 Mar 2022US 2022/0062971 A1Enkotec A/S
- Fastening device and methods of manufacture3 Mar 2022US 2022/0065278 A1
- Die for the manufacturing of elongate bodies13 May 2021US 2021/0138529 A1Enkotec A/S
Most cited
By later US patents
- Horseshoe nail and horseshoe nail forming process14US 5,988,967 AAjax Cooke Pty. Ltd. · 1999
- Machine for making star-shaped fasteners7US 4,833,906 AStar Fasteners International, Inc. · 1989
- Reduced material fastener7US 7,513,728 B1The Everhold Group, Corporation · 2009
- Apparatus for continuous pressing of bolts, screw blanks or similar parts6US 4,052,873 AVeb Schraubenkombinat · 1977
- Spike harrow tooth and method of manufacture6US 4,748,708 ALear Siegler, Inc. · 1988