H05B 41/44
For providing special optical effects
Official title: for providing special optical effects, e.g. progressive motion of light
H05B41/44 (For providing special optical effects) appears on 28 US grants and 17 published applications in this corpus.
Search patents in H05B- Granted patents
- 28
- Published applications
- 17
- Assignees
- 17
- Inventors
- 48
- Latest grant
- 22 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 4 | 3 |
| 2016 | 2 | 3 |
| 2017 | 1 | 1 |
| 2018 | 2 | 2 |
| 2019 | 3 | 0 |
| 2020 | 3 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and methods for creating a grow cycle22 Sep 2020US 10,779,477 B2Grow Solutions Tech LLC
- Information processing method, information processing system, and electric light bulb light source apparatus4 Aug 2020US 10,736,199 B2Sony Corporation
- Communication interface device for a solid-state luminaire28 Apr 2020US 10,636,290 B2Osram Sylvania Inc.
- Systems and methods for providing grow lighting3 Dec 2019US 10,492,375 B2Grow Solutions Tech LLC
- System and method of dynamic color adjustment29 Oct 2019US 10,462,875 B1Osram Sylvania Inc.
- Systems and methods for creating a grow cycle26 Nov 2020US 2020/0367445 A1Grow Solutions Tech LLC
- Systems and methods for providing grow lighting12 Mar 2020US 2020/0077597 A1Grow Solutions Tech LLC
- Information processing method, information processing system, and electric light bulb light source apparatus8 Nov 2018US 2018/0324932 A1Sony Corporation
- Systems and methods for creating a grow cycle25 Oct 2018US 2018/0303039 A1Grow Solutions Tech LLC
- Drum assembly having internal lightning discharge capability22 Jun 2017US 2017/0178607 A1
Most cited
By later US patents
- Method and apparatus for driving a flashing light systems using substantially square power pulses37US 5,381,075 AUnisyn · 1995
- Apparatus for simulating the light produced by a fire25US 4,064,414 AFBW Enterprises · 1977
- Electronic adornment for simulating natural flickering light12US 4,777,408 A1988
- Ballast circuit for gaseous discharge lamp11US 5,023,518 A1991
- Digital controller for gas discharge tube11US 5,041,767 ABertonee Inc. · 1991