F21S 4/22
Flexible or deformable
Official title: flexible or deformable, e.g. into a curved shape
F21S4/22 (Flexible or deformable) appears on 828 US grants and 910 published applications in this corpus.
Search patents in F21S- Granted patents
- 828
- Published applications
- 910
- Assignees
- 404
- Inventors
- 1,359
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 2 |
| 2002 | 16 | 14 |
| 2003 | 15 | 23 |
| 2004 | 14 | 23 |
| 2005 | 11 | 30 |
| 2006 | 12 | 9 |
| 2007 | 14 | 9 |
| 2008 | 3 | 11 |
| 2009 | 4 | 9 |
| 2010 | 4 | 20 |
| 2011 | 7 | 14 |
| 2012 | 10 | 27 |
| 2013 | 21 | 21 |
| 2014 | 19 | 41 |
| 2015 | 23 | 40 |
| 2016 | 30 | 42 |
| 2017 | 40 | 55 |
| 2018 | 53 | 54 |
| 2019 | 66 | 80 |
| 2020 | 77 | 84 |
| 2021 | 83 | 60 |
| 2022 | 77 | 66 |
| 2023 | 53 | 50 |
| 2024 | 64 | 46 |
| 2025 | 57 | 47 |
| 2026 | 23 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- LED filament and a lamp29 Sep 2026US 12,747,840 B2Signify Holding B. V.
- Flexible lighting device15 Sep 2026US 12,736,192 B2
- Lighting device1 Sep 2026US 12,723,727 B2LG Innotek Co., Ltd.
- Inflatable lighting device18 Aug 2026US 12,710,156 B2Ztarx Corporation Limited
- Modular light devices, systems, and methods11 Aug 2026US 12,702,121 B2ABL Research Group, LLC
- Light assembly8 Oct 2026US 2026/0309288 A1Vista Manufacturing, Inc.
- Inflatable lighting device1 Oct 2026US 2026/0298437 A1Ztarx Corporation Limited
- Decorative lighting assembly and system for vertical structures, such as lamp posts, poles and trees10 Sep 2026US 2026/0266435 A1
- Flexible lighting assemblies for lighting systems10 Sep 2026US 2026/0266436 A1Signify Holding B. V.
- Lighting device with a flexible circuit board connection structure10 Sep 2026US 2026/0266437 A1Xiamen PVTECH Co., Ltd.
Most cited
By later US patents
- Par 36 LED utility lamp382US 6,367,949 B1911 Emergency Products, Inc. · 2002
- Compact, flexible, LED array320US 6,371,637 B1Radiantz, Inc. · 2002
- Apparatus and method for providing a linear effect279US 6,676,284 B1Wynne Willson Gottelier Limited · 2004
- Strip lighting system using light emitting diodes256US 5,321,593 A1994
- Simulated neon light using led's250US 6,361,186 B1Lektron Industrial Supply, Inc. · 2002