B21J 9/18
Operated by making use of gearing mechanisms
Official title: operated by making use of gearing mechanisms, e.g. levers, spindles, crankshafts, eccentrics, toggle-levers, rack bars
B21J9/18 (Operated by making use of gearing mechanisms) appears on 92 US grants and 36 published applications in this corpus.
Search patents in B21J- Granted patents
- 92
- Published applications
- 36
- Assignees
- 64
- Inventors
- 203
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 2 |
| 2004 | 3 | 2 |
| 2005 | 2 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 1 | 2 |
| 2016 | 2 | 2 |
| 2017 | 1 | 3 |
| 2018 | 3 | 1 |
| 2019 | 2 | 3 |
| 2020 | 1 | 0 |
| 2021 | 2 | 2 |
| 2022 | 2 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Manufacturing system26 May 2026US 12,636,698 B2Tusas- Turk Havacilik Ve Uzay Sanayii Anonim Sirketi
- Devices and methods for controllable forging of forming flow line of complex-shaped component15 Apr 2025US 12,275,058 B1Southwest Technology and Engineering Research Institute
- Forging heads and fixing devices with aligned through-holes and cavities2 Apr 2024US 11,945,032 B2General Electric Company
- Device and method for installing and adjusting sliding block of multipoint crank press13 Jun 2023US 11,673,181 B2Qingdao University of Technology
- Crank press13 Sep 2022US 11,440,280 B2
- Hot forming a cast forging ingot27 Jun 2024US 2024/0207922 A1GFM GmbH
- Manufacturing system20 Jun 2024US 2024/0198412 A1Tusas- Turk Havacilik Ve Uzay Sanayii Anonim Sirketi
- Multidirectional Synchronous Punch-forming Forging Machine22 Feb 2024US 2024/0058859 A1
- Press device, control method for press device, and non-transitory computer readable medium storing control program30 Jun 2022US 2022/0203492 A1Sumitomo Heavy Industries, Ltd.
- Crank press9 Jun 2022US 2022/0176666 A1
Most cited
By later US patents
- RAM actuating mechanism in a press for terminating wires27US 4,924,693 AAMP Incorporated · 1990
- Body maker apparatus19US 5,335,532 AAluminum Company of America · 1994
- Slide drive apparatus and slide drive method for pressing machine16US 6,871,586 B2Komatsu Industries Corporation · 2005
- C-Frame press15US 4,434,646 AAida Engineering, Ltd. · 1984
- Method and apparatus for carrying out an operation on a mechanical workpiece15US 5,806,362 A1998