B21G 7/00
Making pins of u-like shape or split-pins
Official title: Making pins of U-like shape or split-pins (of paper fasteners or staples B21D53/46, B21F45/16)
B21G7/00 (Making pins of u-like shape or split-pins) appears on 12 US grants and 10 published applications in this corpus.
Search patents in B21G- Granted patents
- 12
- Published applications
- 10
- Assignees
- 8
- Inventors
- 18
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 2 | 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 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method of inserting a hairpin4 Nov 2025US 12,463,512 B2Hyundai Motor Company
- Method of inserting a hairpin23 Jan 2024US 11,881,748 B2Hyundai Motor Company
- Apparatus for molding hairpin7 Jun 2022US 11,356,004 B2Hyundai Motor Company
- Cotter pin forming tool30 Nov 2021US 11,185,910 B2Hond Motor Co., Ltd.
- Hair clipping device12 Mar 2019US 10,226,811 B2Tung Hing Plastic Manufactory Ltd.
- Method of inserting a hairpin18 Apr 2024US 2024/0128842 A1Hyundai Motor Company
- Apparatus for Molding Hairpin and Method of Inserting Hairpin Using the Same6 Oct 2022US 2022/0320977 A1Hyundai Motor Company
- Fastening device and methods of manufacture3 Mar 2022US 2022/0065278 A1
- Apparatus for Molding Hairpin and Method of Inserting Hairpin Using the Same30 Dec 2021US 2021/0408879 A1Hyundai Motor Company
- Cotter pin forming tool28 May 2020US 2020/0164423 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Medical staple forming die and punch1,336US 5,381,649 A1995
- Method of manufacturing surgical staples1,093US 8,556,935 B1Cardica, Inc. · 2013
- Method of manufacturing surgical staples32US 8,998,951 B2Cardica, Inc. · 2015
- Compound barb medical device and method19US 8,888,810 B2Covidien LP · 2014
- Fastening element4US 5,404,707 A1995