G09F 13/34
Illuminated signs: with light sources co-operating with movable members
Official title: with light sources co-operating with movable members, e.g. with shutters to cover or uncover the light source (apparatus wherein advertising or display material is moved in a continuous or intermittent succession G09F11/00; construction or details of lighting devices F21V11/00)
G09F13/34 (Illuminated signs: with light sources co-operating with movable members) appears on 58 US grants and 33 published applications in this corpus.
Search patents in G09F- Granted patents
- 58
- Published applications
- 33
- Assignees
- 37
- Inventors
- 106
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 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 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 3 |
| 2015 | 1 | 0 |
| 2016 | 2 | 3 |
| 2017 | 4 | 2 |
| 2018 | 2 | 3 |
| 2019 | 4 | 2 |
| 2020 | 4 | 1 |
| 2021 | 3 | 3 |
| 2022 | 2 | 3 |
| 2023 | 2 | 1 |
| 2024 | 4 | 3 |
| 2025 | 3 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Novelty display platform7 Apr 2026US 12,597,372 B2
- Projection media three-dimensional simulation and extrusion30 Dec 2025US 12,510,811 B2Universal City Studios LLC
- Backlit signage display system20 May 2025US 12,307,923 B2
- Visual display system7 Jan 2025US 12,190,755 B2Airflow Kinetics, LLC
- Projection media three-dimensional simulation and extrusion30 Jul 2024US 12,050,395 B2Universal City Studios LLC
- Backlit signage display system28 Aug 2025US 2025/0273097 A1
- Light display toy15 May 2025US 2025/0153067 A1Tomy Company, Ltd.
- Projection media three-dimensional simulation and extrusion21 Nov 2024US 2024/0385501 A1Universal City Studios LLC
- Novelty display platform16 May 2024US 2024/0161663 A1
- Visual display system1 Feb 2024US 2024/0038104 A1Airflow Kinetics, LLC
Most cited
By later US patents
- Display168US 5,302,965 AStellar Communications Limited · 1994
- Rotating display59US 4,307,528 ATrans-World Manufacturing Corporation · 1981
- Apparatus for simulating an open fire52US 3,978,598 A1976
- Illuminated display device45US 6,405,463 B12002
- Method and apparatus for preparing and displaying visual displays29US 4,897,802 A1990