B21B 1/40
Metal-rolling methods or mills for making semi-finished products of solid or profiled
Official title: for rolling foils which present special problems, e.g. because of thinness
B21B1/40 (Metal-rolling methods or mills for making semi-finished products of solid or profiled) appears on 94 US grants and 91 published applications in this corpus.
Search patents in B21B- Granted patents
- 94
- Published applications
- 91
- Assignees
- 84
- Inventors
- 324
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 4 | 1 |
| 2004 | 0 | 5 |
| 2005 | 1 | 3 |
| 2006 | 1 | 1 |
| 2007 | 3 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 3 |
| 2012 | 3 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 8 |
| 2015 | 3 | 5 |
| 2016 | 4 | 6 |
| 2017 | 2 | 2 |
| 2018 | 7 | 3 |
| 2019 | 4 | 7 |
| 2020 | 3 | 4 |
| 2021 | 3 | 9 |
| 2022 | 4 | 3 |
| 2023 | 4 | 7 |
| 2024 | 6 | 5 |
| 2025 | 6 | 9 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sub-ambient temperature transfer system for cold forming processes22 Sep 2026US 12,741,304 B2GM Global Technology Operations LLC
- Method for preparing high-flatness metal foil suitable for making metal mask23 Jun 2026US 12,662,721 B2Magic Star Technology(Ningbo)Co.,Ltd.
- Additive manufacturing feedstock production system for reactive wire and related methods17 Feb 2026US 12,551,937 B2The Texas A&M University System
- Aluminum foil with improved wettability25 Nov 2025US 12,482,829 B2Speira GmbH
- Preparation of LI and NA foils with {110} or {100} surface texturing14 Oct 2025US 12,444,729 B2The Chinese University of Hong Kong
- Additive manufacturing feedstock production system for reactive wire and related methods4 Jun 2026US 2026/0151812 A1The Texas A&M University System
- Pre-calendering system for reducing strain imbalances in multilane electrodes7 May 2026US 2026/0124655 A1Tesla, Inc.
- Roll structure of a four-high rolling mill for preparing ultra-thin metal foils with surface microtexture and a rolling method thereof25 Dec 2025US 2025/0387818 A1Taiyuan University of Technology
- Sub-ambient temperature transfer system for cold forming processes4 Sep 2025US 2025/0276353 A1GM Global Technology Operations LLC
- Lithium rolling apparatus and lithium rolling method using same14 Aug 2025US 2025/0256314 A1Solum Advanced Materials Co., Ltd.
Most cited
By later US patents
- Method for reducing thickness of a titanium foil or thin strip element91US 5,226,989 ATexas Instruments Incorporated · 1993
- Method for reducing thickness of a high-strength low-ductility metal foil on thin strip element89US 5,222,282 ATexas Instruments Incorporated · 1993
- Thin plate electrochemical cell32US 5,368,961 ABolder Battery, Inc. · 1994
- Lamination process and apparatus for alkali metals or alloys thereof25US 7,513,136 B2Bathium Canada Inc. · 2009
- Conveyor for feeding strip material in a machine for working on the same18US 4,730,781 A1988