F21K 9/238
Arrangement or mounting of circuit elements integrated in the light source
F21K9/238 (Arrangement or mounting of circuit elements integrated in the light source) appears on 1,075 US grants and 1,262 published applications in this corpus.
Search patents in F21K- Granted patents
- 1,075
- Published applications
- 1,262
- Assignees
- 419
- Inventors
- 1,660
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 4 |
| 2006 | 0 | 4 |
| 2007 | 2 | 2 |
| 2008 | 4 | 9 |
| 2009 | 2 | 10 |
| 2010 | 7 | 34 |
| 2011 | 12 | 37 |
| 2012 | 26 | 64 |
| 2013 | 35 | 74 |
| 2014 | 44 | 76 |
| 2015 | 58 | 85 |
| 2016 | 62 | 106 |
| 2017 | 92 | 109 |
| 2018 | 106 | 112 |
| 2019 | 134 | 126 |
| 2020 | 142 | 122 |
| 2021 | 86 | 80 |
| 2022 | 78 | 40 |
| 2023 | 47 | 46 |
| 2024 | 50 | 56 |
| 2025 | 53 | 34 |
| 2026 | 31 | 30 |
By publication year. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Dimmable LED-based MR16 lighting apparatus and methods431US 7,358,679 B2Philips Solid-State Lighting Solutions, Inc. · 2008
- LED-based modular lamp372US 6,787,999 B2GELcore, LLC · 2004
- LED light module for vehicles297US 6,371,636 B1Jam Strait, Inc. · 2002
- Light emitting diode illumination apparatus202US 7,226,189 B2Taiwan Oasis Technology Co., Ltd. · 2007
- Power-saving lamp179US 6,621,222 B12003