B66C 1/08
Circuits therefor
Official title: Circuits therefor (for electromagnets in general H01F7/18)
B66C1/08 (Circuits therefor) appears on 35 US grants and 32 published applications in this corpus.
Search patents in B66C- Granted patents
- 35
- Published applications
- 32
- Assignees
- 20
- Inventors
- 54
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 6 |
| 2009 | 1 | 4 |
| 2010 | 5 | 4 |
| 2011 | 5 | 1 |
| 2012 | 2 | 6 |
| 2013 | 4 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lifting magnet and steel plate lifting apparatus, and steel plate conveying method14 Jul 2026US 12,679,701 B2Jfe Steel Corporation
- Steel plate lifting method with use of lifting magnet, lifting magnet, and method for manufacturing steel plate by using lifting magnet14 Oct 2025US 12,441,589 B2Jfe Steel Corporation
- Notification system4 Feb 2025US 12,214,996 B2Kobelco Construction Machinery Co., Ltd.
- Unmanned aerial vehicle, aerial vehicle control system and transportation method28 May 2024US 11,993,379 B2Rakuten Group, Inc.
- Control device for lifting magnet13 Apr 2021US 10,974,933 B2Kobelco Construction Machinery Co., Ltd.
- Steel plate lifting method with use of lifting magnet, lifting magnet, and method for manufacturing steel plate by using lifting magnet28 Mar 2024US 2024/0101396 A1Jfe Steel Corporation
- Notification system13 Jul 2023US 2023/0219791 A1Kobelco Construction Machinery Co., Ltd.
- Lifting magnet and steel plate lifting apparatus, and steel plate conveying method8 Jun 2023US 2023/0174347 A1Jfe Steel Corporation
- Unmanned aerial vehicle, aerial vehicle control system and transportation method17 Jun 2021US 2021/0179265 A1Rakuten, Inc.
- Control device for lifting magnet5 Sep 2019US 2019/0270618 A1Kobelco Construction Machinery Co., Ltd.
Most cited
By later US patents
- Magnetic wheel39US 8,604,900 B2Magswitch Technology Worldwide Pty Ltd. · 2013
- Method and apparatus for providing diagnostics of a lifting magnet system14US 7,848,861 B2Edw. C. Levy Co. · 2010
- Part handling device12US 4,647,268 AEMAG Maschinenfabrik GmbH · 1987
- Electromagnet control system having printed circuit board variable voltage selection array11US 5,905,624 ANorthwest Magnet, Inc. · 1999
- Method and apparatus for controlling a lifting magnet of a materials handling machine11US 5,998,944 ACaterpillar Inc. · 1999