B22F 2003/033
With multiple punches working in the same direction
Official title: {with multiple punches working in the same direction}
B22F2003/033 (With multiple punches working in the same direction) appears on 77 US grants and 91 published applications in this corpus.
Search patents in B22F- Granted patents
- 77
- Published applications
- 91
- Assignees
- 65
- Inventors
- 198
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 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 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 4 |
| 2006 | 1 | 4 |
| 2007 | 0 | 1 |
| 2008 | 2 | 1 |
| 2009 | 2 | 4 |
| 2010 | 1 | 5 |
| 2011 | 6 | 3 |
| 2012 | 2 | 5 |
| 2013 | 0 | 1 |
| 2014 | 5 | 1 |
| 2015 | 1 | 5 |
| 2016 | 5 | 6 |
| 2017 | 2 | 9 |
| 2018 | 3 | 6 |
| 2019 | 2 | 6 |
| 2020 | 6 | 8 |
| 2021 | 4 | 3 |
| 2022 | 10 | 8 |
| 2023 | 7 | 3 |
| 2024 | 3 | 3 |
| 2025 | 4 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Production method for rare-earth sintered magnet, and wet-molding device19 May 2026US 12,633,451 B2Proterial, Ltd.
- Method for producing a calibrated combination of parts18 Nov 2025US 12,472,557 B2GKN Sinter Metals Engineering GmbH
- Methods of manufacturing a gas diffusion layer and an electrochemical cell incorporating the same20 May 2025US 12,308,484 B2Infinity Fuel Cell and Hydrogen, Inc.
- Insert bearing and manufacturing method thereof, sintered bearing suitable for insert bearing, sintered insert component and manufacturing method thereof, and sintered component suitable for sintered insert component13 May 2025US 12,296,390 B2Diamet Corporation
- Piston pin and manufacturing method thereof4 Mar 2025US 12,241,549 B2Hyundai Motor Company
- Magnetic powder hot-pressing and hot-deformation apparatuses and hot-pressing and hot-deformation methods15 Jan 2026US 2026/0014621 A1Baotou Research Institute of Rare Earths
- Systems and methods for production of readily compressible dies for enhanced sintering of solids1 Jan 2026US 2026/0001253 A1Lawrence Livermore National Security, LLC
- Split-die press tool20 Mar 2025US 2025/0091129 A1AB Sandvik Coromant
- Powder press and method of forming electrochemical cell stack interconnects by powder pressing20 Feb 2025US 2025/0058377 A1Bloom Energy Corporation
- Magnetic wedge, dynamo-electric machine, and method for manufacturing magnetic wedge12 Dec 2024US 2024/0413690 A1Proterial, Ltd.
Most cited
By later US patents
- Magnetic circuit component molding device27US 5,364,253 AMatsushita Electric Industrial Co., Ltd. · 1994
- Apparatus for forming a sinterable compact of a powder25US 4,008,021 ASchwelmer Eisenwerk Muller & Co. GmbH · 1977
- Powder molding press23US 5,498,147 AYoshizuka Seiki Co., Ltd. · 1996
- Apparatus and method for compacting prismatic or pyramidal articles from powder material19US 4,298,563 APTX-Pentronix, Inc. · 1981
- Powder molding press18US 5,326,242 AYoshizuka Seiki Co., Ltd. · 1994