B21F 15/04
Without additional connecting elements or material
Official title: without additional connecting elements or material, e.g. by twisting
B21F15/04 (Without additional connecting elements or material) appears on 192 US grants and 188 published applications in this corpus.
Search patents in B21F- Granted patents
- 192
- Published applications
- 188
- Assignees
- 84
- Inventors
- 278
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 4 |
| 2006 | 2 | 5 |
| 2007 | 2 | 5 |
| 2008 | 1 | 2 |
| 2009 | 2 | 4 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 5 |
| 2013 | 1 | 0 |
| 2014 | 1 | 7 |
| 2015 | 5 | 4 |
| 2016 | 8 | 7 |
| 2017 | 5 | 9 |
| 2018 | 4 | 13 |
| 2019 | 6 | 18 |
| 2020 | 17 | 16 |
| 2021 | 9 | 19 |
| 2022 | 17 | 10 |
| 2023 | 21 | 20 |
| 2024 | 15 | 19 |
| 2025 | 10 | 9 |
| 2026 | 14 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cu—Ag alloy wire and method for producing the same6 Oct 2026US 12,755,860 B2SWCC Corporation
- Binding machine25 Aug 2026US 12,716,249 B2Max Co., Ltd.
- Binding system, method for controlling binding device, and computer readable storage medium storing program23 Jun 2026US 12,661,706 B2Max Co., Ltd.
- Binding machine23 Jun 2026US 12,661,707 B2Max Co., Ltd.
- Binding machine23 Jun 2026US 12,662,828 B2Max Co., Ltd.
Most cited
By later US patents
- Wire twisting tool25US 6,729,358 B1Greenlee Textron Inc. · 2004
- Guidewire having varying diameters and method of making21US 11,684,759 B2Abbott Cardiovascular Systems Inc. · 2023
- Apparatus and method for making electric wire for harness20US 5,477,463 ASumitomo Wiring Systems, Ltd. · 1995
- Hand held twist tie apparatus20US 5,613,530 AJohnston International Corp. · 1997
- Wire twisting apparatus18US 5,004,020 ANewTech Products, Inc. · 1991