B21J 3/00
Lubricating during forging or pressing
Official title: Lubricating during forging or pressing (lubricating in general F16N)
B21J3/00 (Lubricating during forging or pressing) appears on 103 US grants and 82 published applications in this corpus.
Search patents in B21J- Granted patents
- 103
- Published applications
- 82
- Assignees
- 85
- Inventors
- 265
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 1 |
| 2002 | 0 | 0 |
| 2003 | 2 | 4 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 4 |
| 2008 | 2 | 4 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 6 |
| 2012 | 4 | 6 |
| 2013 | 3 | 2 |
| 2014 | 6 | 8 |
| 2015 | 6 | 7 |
| 2016 | 5 | 3 |
| 2017 | 6 | 5 |
| 2018 | 1 | 4 |
| 2019 | 5 | 2 |
| 2020 | 2 | 8 |
| 2021 | 1 | 4 |
| 2022 | 5 | 1 |
| 2023 | 2 | 3 |
| 2024 | 3 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Forging and pressing production system and management method therefor9 Dec 2025US 12,491,557 B2
- Method for manufacturing hot-forged member6 May 2025US 12,290,853 B2Proterial, Ltd.
- Spray head for cooling lubrication of a die of a forming machine3 Dec 2024US 12,157,132 B2SMS group GmbH
- Method for manufacturing forged article16 Apr 2024US 11,958,101 B2Daido Chemical Corporation
- Method for producing hot-forged material5 Mar 2024US 11,919,065 B2Proterial, Ltd.
- High-efficiency short-process superplastic forming method for tc4 titanium alloy fan blisk forging11 Jun 2026US 2026/0158541 A1Baowu Special Metallurgy Co., Ltd.
- Method for manufacturing hot-forged member5 Jun 2025US 2025/0179620 A1Proterial, Ltd.
- Spray head for cooling lubrication of a die of a forming machine25 Jan 2024US 2024/0024905 A1SMS group GmbH
- Hot Forging Process and Mould for Carrying Out Said Process5 Oct 2023US 2023/0311196 A1
- Forging and Pressing Production System and Management Method Therefor18 May 2023US 2023/0150013 A1Ningbo Texoon Brassworks Co., Ltd
Most cited
By later US patents
- Process for producing a metal article52US 6,569,270 B2Honeywell International Inc. · 2003
- Method for hot shaping a workpiece and agent for reducing the heat emission51US 8,685,298 B2Boehler Schmiedetechnik GmbH & Co KG · 2014
- Refrigerating fluid compositions comprising estolide compounds49US 8,236,194 B1LubriGreen Biosynthetics, LLC · 2012
- Lubricant compositions comprising estolide base oils48US 8,287,754 B1LubriGreen Biosynthetics, LLC · 2012
- Polycrystalline, metallic sputtering target43US 6,238,494 B1Johnson Matthey Electronics, Inc. · 2001