H05B 41/2926
Against internal abnormal circuit conditions
Official title: {against internal abnormal circuit conditions}
H05B41/2926 (Against internal abnormal circuit conditions) appears on 50 US grants and 35 published applications in this corpus.
Search patents in H05B- Granted patents
- 50
- Published applications
- 35
- Assignees
- 34
- Inventors
- 89
- Latest grant
- 6 Nov 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 4 |
| 2003 | 4 | 6 |
| 2004 | 5 | 0 |
| 2005 | 1 | 6 |
| 2006 | 3 | 3 |
| 2007 | 5 | 2 |
| 2008 | 4 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 2 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Light device deriving condition of storage circuit6 Nov 2018US 10,123,389 B2Philips Lighting Holding B. V.
- Ignitor-arrangement4 Sep 2018US 10,070,506 B2Lumileds LLC
- Lighting device and illuminating device28 Feb 2017US 9,585,234 B2Panasonic Intellectual Property Management Co., Ltd.
- Long life, fail safe traffic light21 Feb 2017US 9,578,728 B2Dialight Corporation
- Discharge lamp lighting device and headlight using same22 Dec 2015US 9,220,160 B2Panasonic Intellectual Property Management Co., Ltd.
- A device with customized integrated electronic circuit for destroying pathogens20 Jun 2024US 2024/0197936 A1
- Light device deriving condition of storage circuit1 Feb 2018US 2018/0035511 A1Philips Lighting Holding B. V.
- Ignitor-arrangement30 Mar 2017US 2017/0094758 A1Koninklijke Philips N. V.
- Lighting device and illuminating device8 Sep 2016US 2016/0262247 A1Panasonic Intellectual Property Management Co., Ltd.
- Discharge lamp lighting device and headlight using same22 Oct 2015US 2015/0305129 A1Panasonic Corporation
Most cited
By later US patents
- Ballast circuit and method for optimizing the operation of high intensity discharge lamps in the growing of plants61US 4,396,872 AGeneral Mills, Inc. · 1983
- Device for controlling lighting of discharge lamp and H-bridge circuit for use in such a device37US 6,046,551 AMitsubishi Denki Kabushiki Kaisha · 2000
- Lighting circuit for discharge lamp29US 6,340,870 B12002
- Ballast for high pressure sodium lamps having constant line and lamp wattage27US 4,999,547 AInnovative Controls, Inc. · 1991
- Lighting apparatus for discharge lamp23US 5,434,474 AMitsubishi Denki Kabushiki Kaisha · 1995