B21D 37/18
Lubricating
Official title: Lubricating {, e.g. lubricating tool and workpiece simultaneously (lubricating workpieces for deep-drawing B21D22/201)}
B21D37/18 (Lubricating) appears on 107 US grants and 129 published applications in this corpus.
Search patents in B21D- Granted patents
- 107
- Published applications
- 129
- Assignees
- 102
- Inventors
- 271
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 1 | 9 |
| 2011 | 1 | 5 |
| 2012 | 4 | 2 |
| 2013 | 5 | 7 |
| 2014 | 3 | 4 |
| 2015 | 4 | 5 |
| 2016 | 5 | 7 |
| 2017 | 3 | 4 |
| 2018 | 5 | 8 |
| 2019 | 8 | 7 |
| 2020 | 4 | 9 |
| 2021 | 6 | 7 |
| 2022 | 8 | 6 |
| 2023 | 6 | 17 |
| 2024 | 11 | 8 |
| 2025 | 7 | 11 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- One-step pretreatment method of metallic substrates for metal cold forming14 Jul 2026US 12,680,048 B2Chemetall GmbH
- Aqueous lubricant for metalworking2 Jun 2026US 12,644,070 B2Totalenergies Onetech
- Pouch-shaped battery case shaping apparatus including volatile lubricant supply unit and method using the same17 Feb 2026US 12,555,815 B2LG Energy Solution, Ltd.
- Self-lubricating connector30 Dec 2025US 12,508,640 B2TE Connectivity Solutions GmbH
- Expansion tool19 Aug 2025US 12,390,849 B2Milwaukee Electric Tool Corporation
- Aqueous lubricant for metalworking13 Aug 2026US 2026/0234501 A1Totalenergies Onetech
- Linear pass incremental sheet metal forming6 Aug 2026US 2026/0225146 A1Ohio State Innovation Foundation
- Rotary apparatus and method for sealing a rotary apparatus28 May 2026US 2026/0145925 A1Krones AG
- Low-cost manufacturing method of atomization assembly and fixing and using method thereof26 Mar 2026US 2026/0083181 A1Dongguan DEYIYUAN Technology Co., Ltd.
- Self-Lubricating Connector5 Feb 2026US 2026/0034578 A1TE Connectivity Solutions GmbH
Most cited
By later US patents
- Process and apparatus for preparation of thin walled cylindrical vessels25US 3,945,231 AToyo Seikan Kaisha, Ltd. · 1976
- Punch press24US 4,977,804 AAmada Company, Limited · 1990
- Die lubricant nozzle for use in can bodymakers and the like20US 4,223,544 AStandun, Inc. · 1980
- Tool pack17US 4,852,377 AAmerican National Can Company · 1989
- Apparatus for applying lubricant pattern to a sheet work piece17US 5,476,546 AFirma Zibulla & Sohn GmbH Raziol-Schmierungstechnik · 1995