B21D 31/043
Making use of slitting discs or punch cutters
Official title: {Making use of slitting discs or punch cutters}
B21D31/043 (Making use of slitting discs or punch cutters) appears on 40 US grants and 22 published applications in this corpus.
Search patents in B21D- Granted patents
- 40
- Published applications
- 22
- Assignees
- 31
- Inventors
- 63
- Latest grant
- 26 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 1 | 3 |
| 2014 | 1 | 0 |
| 2015 | 2 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 2 |
| 2021 | 0 | 2 |
| 2022 | 2 | 0 |
| 2023 | 3 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of manufacturing a heat-humidity exchange plate of an enthalpy air-to-air exchanger26 Dec 2023US 11,850,651 B2RECUTECH s.r.o.
- Expanded metal for automotive interior parts14 Nov 2023US 11,813,654 B2GRAMMER Interior Components GmbH
- Expanding metal with loops in different shapes28 Feb 2023US 11,590,551 B2GRAMMER Interior Components GmbH
- Expanding and formatting profiled metal strip4 Oct 2022US 11,458,522 B2Hacanoka GmbH
- Expanded metal formed using rotary blades and rotary blades to form such7 Jun 2022US 11,351,593 B2Structa Wire ULC
- Expanding blade for use in manufacturing micro-expanded metal mesh foils and methods of fabricating the same23 Jul 2026US 2026/0208255 A1ACS Industries, Inc.
- Method of manufacturing a heat and humidity exchange plate of an enthalpy air-to-air exchanger, a heat and humidity exchange plate and an enthalpy exchanger7 Sep 2023US 2023/0278094 A1RECUTECH s.r.o.
- Expanded metal for automotive interior parts27 May 2021US 2021/0154724 A1GRAMMER Interior Components GmbH
- Expanding metal with loops in different shapes6 May 2021US 2021/0129202 A1GRAMMER Interior Components GmbH
- Expanding and formatting profiled metal strip23 Jul 2020US 2020/0230684 A1Hacanoka GmbH
Most cited
By later US patents
- Coining expanded metal positive lead-acid battery grids66US 3,947,936 AGeneral Motors Corporation · 1976
- Apparatus for making expanded metal lead-acid battery grids56US 3,945,097 AGeneral Motors Corporation · 1976
- Structure for and method of manufacturing aerodynamic expanded metal45US 6,156,444 APrecision Combustion, Inc. · 2000
- Method of manufacturing expanded reinforcing sheet material32US 4,297,154 ANational Steel Corporation · 1981
- Cam shaft operated punch press for expanding lead alloy battery grid material28US 4,345,452 AGeneral Battery Corporation · 1982