B25B 27/20
Inserting or withdrawing split pins or circlips
Official title: inserting or withdrawing split pins or circlips
B25B27/20 (Inserting or withdrawing split pins or circlips) appears on 215 US grants and 129 published applications in this corpus.
Search patents in B25B- Granted patents
- 215
- Published applications
- 129
- Assignees
- 109
- Inventors
- 305
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 9 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 4 |
| 2003 | 4 | 3 |
| 2004 | 5 | 5 |
| 2005 | 2 | 3 |
| 2006 | 8 | 6 |
| 2007 | 3 | 5 |
| 2008 | 2 | 2 |
| 2009 | 3 | 2 |
| 2010 | 4 | 4 |
| 2011 | 2 | 5 |
| 2012 | 1 | 3 |
| 2013 | 4 | 2 |
| 2014 | 3 | 6 |
| 2015 | 7 | 6 |
| 2016 | 2 | 8 |
| 2017 | 6 | 4 |
| 2018 | 4 | 8 |
| 2019 | 7 | 11 |
| 2020 | 7 | 5 |
| 2021 | 6 | 5 |
| 2022 | 3 | 11 |
| 2023 | 7 | 4 |
| 2024 | 8 | 9 |
| 2025 | 4 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Double-headed retaining ring pliers21 Jul 2026US 12,686,104 B2Jiangsu Soho Sumex Tools Corp., Ltd.
- Snap ring expander27 Jan 2026US 12,533,759 B1Neapco Intellectual Property Holdings, LLC
- Mounting method for anti-detachment elastic retaining ring18 Nov 2025US 12,472,593 B2Kern-Liebers (Taicang) Co., Ltd.
- Snap spring dismounting and mounting tool18 Mar 2025US 12,251,803 B1
- Friction ring plier11 Feb 2025US 12,220,794 B2Jackco Transnational Inc.
- A gripping tool30 Jul 2026US 2026/0216860 A1
- Pin fastener removal tool28 May 2026US 2026/0145310 A1
- Circlip tool16 Apr 2026US 2026/0102888 A1ZF Friedrichshafen AG
- Pair of pliers with a latch unit9 Apr 2026US 2026/0097476 A1Jye Lins Co., Ltd.
- Mounting method for anti-detachment elastic retaining ring14 Aug 2025US 2025/0256366 A1Kern-Liebers (Taicang) Co., Ltd.
Most cited
By later US patents