B21F 9/002
To maintain tension in the wire
Official title: {to maintain tension in the wire, e.g. to pull the wire taut}
B21F9/002 (To maintain tension in the wire) appears on 32 US grants and 25 published applications in this corpus.
Search patents in B21F- Granted patents
- 32
- Published applications
- 25
- Assignees
- 17
- Inventors
- 65
- Latest grant
- 13 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 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 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 3 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 4 |
| 2020 | 4 | 4 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 4 | 2 |
| 2024 | 3 | 1 |
| 2025 | 0 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vertical cable railing assembly13 Aug 2024US 12,060,921 B2Digger Specialties, Inc.
- Steel cord and single steel wire having excellent straightness quality for reinforcing tire and manufacturing method thereof23 Jul 2024US 12,043,879 B2Hongduk Industrial Co., Ltd.
- Coil winding apparatus and coil winding method12 Mar 2024US 11,925,970 B2Nittoku Co., Ltd.
- Highway divider cable tensioning apparatus28 Nov 2023US 11,826,815 B1
- Vertical cable railing assembly22 Aug 2023US 11,732,776 B2Digger Specialties, Inc.
- Multicore cable processing apparatus26 Feb 2026US 2026/0058428 A1Shinmaywa Industries, Ltd.
- Wire gripper and wire tensioning device12 Feb 2026US 2026/0042139 A1Nagaki Seiki Co., Ltd.
- A tension board for fences23 Oct 2025US 2025/0327330 A1Wireman Pty Limited
- Chain restraint13 Mar 2025US 2025/0083289 A1Wireman Pty Limited
- Vertical Cable Railing Assembly5 Dec 2024US 2024/0401669 A1Digger Specialties, Inc.
Most cited
By later US patents
- Track supported winch and method of making the same30US 5,853,164 AKinedyne Corporation · 1998
- Tensioning apparatus26US 3,988,007 A1976
- Battery powered tensioning tool for strap20US 9,468,968 B2Signode Industrial Group LLC · 2016
- Vertical cable railing assembly10US 11,300,180 B2Digger Specialties, Inc. · 2022
- Line tensioning apparatus and method10US 4,144,620 A1979