B23D 31/00
Shearing machines or shearing devices covered by none or more than one
Official title: Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines
B23D31/00 (Shearing machines or shearing devices covered by none or more than one) appears on 522 US grants and 270 published applications in this corpus.
Search patents in B23D- Granted patents
- 522
- Published applications
- 270
- Assignees
- 320
- Inventors
- 914
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 14 | 0 |
| 1978 | 11 | 0 |
| 1979 | 6 | 0 |
| 1980 | 13 | 0 |
| 1981 | 11 | 0 |
| 1982 | 5 | 0 |
| 1983 | 12 | 0 |
| 1984 | 9 | 0 |
| 1985 | 20 | 0 |
| 1986 | 10 | 0 |
| 1987 | 20 | 0 |
| 1988 | 16 | 0 |
| 1989 | 16 | 0 |
| 1990 | 14 | 0 |
| 1991 | 13 | 0 |
| 1992 | 12 | 0 |
| 1993 | 12 | 0 |
| 1994 | 18 | 0 |
| 1995 | 17 | 0 |
| 1996 | 13 | 0 |
| 1997 | 14 | 0 |
| 1998 | 8 | 0 |
| 1999 | 15 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 1 |
| 2002 | 7 | 14 |
| 2003 | 11 | 11 |
| 2004 | 15 | 13 |
| 2005 | 6 | 18 |
| 2006 | 11 | 16 |
| 2007 | 10 | 8 |
| 2008 | 4 | 13 |
| 2009 | 9 | 12 |
| 2010 | 4 | 12 |
| 2011 | 8 | 17 |
| 2012 | 13 | 12 |
| 2013 | 8 | 13 |
| 2014 | 8 | 15 |
| 2015 | 13 | 8 |
| 2016 | 4 | 14 |
| 2017 | 17 | 8 |
| 2018 | 7 | 7 |
| 2019 | 8 | 11 |
| 2020 | 6 | 11 |
| 2021 | 8 | 9 |
| 2022 | 4 | 5 |
| 2023 | 3 | 3 |
| 2024 | 2 | 7 |
| 2025 | 4 | 11 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B23D 31/002Breaking machines, i.e. pre-cutting and subsequent breaking198
- B23D 31/008Cutting-up scrap99
- B23D 31/001Shearing machines or shearing devices covered by none or more than one74
- B23D 31/04Shearing machines or shearing devices covered by none or more than one29
- B23D 31/02Shearing machines or shearing devices covered by none or more than one12
Recent patents
- Portable rescue device and arrangement comprising a rescue device2 Dec 2025US 12,488,703 B2LUKAS Hydraulik GmbH
- Cast iron pipe cutter4 Nov 2025US 12,459,145 B2
- Indexable piercing tip for demolition shears10 Jun 2025US 12,325,079 B2Epiroc Industrial Tools and Attachments LLC
- Shearing die and press-forming method15 Apr 2025US 12,275,053 B2Jfe Steel Corporation
- Steel plate double-pre-stacking system for single shear line, and stacking method thereof10 Sep 2024US 12,083,608 B2Baosteel Zhanjiang Iron & Steel Co., Ltd.
- Apparatus and method for cutting secondary battery can20 Aug 2026US 2026/0245947 A1Samsung SDI.Co., Ltd.
- Ultra-high-speed dual cutting system and secondary battery ultra-high-speed dual cutting18 Dec 2025US 2025/0381592 A1Mplus Co., Ltd.
- Jaw Set With Modular Platforms And Interchangeable Working Shields6 Nov 2025US 2025/0341075 A1
- Scrap cutting system with moveable enclosure30 Oct 2025US 2025/0332648 A1Edw. C. Levy Co.
- Processing device for cutting and punching flat material, such as sheet metal, and punching assembly therefor2 Oct 2025US 2025/0303604 A1EVOBEND GmbH
Most cited
By later US patents
- Method and apparatus for notching a lead wire attached to an IC chip to facilitate severing the wire105US 5,067,382 ACray Computer Corporation · 1991
- Method of making a split bearing assembly55US 4,569,109 AGeneral Motors Corporation · 1986
- Split bearing assemblies51US 4,684,267 AGeneral Motors Corporation · 1987
- Computer controlled machine for punching and thermal cutting of workpieces51US 4,698,480 ATrumpf GmbH & Co. · 1987
- Machine tool with cylindrical assembly units50US 4,067,252 A1978