F21V 17/12
By screwing
Official title: by screwing
F21V17/12 (By screwing) appears on 1,129 US grants and 1,127 published applications in this corpus.
Search patents in F21V- Granted patents
- 1,129
- Published applications
- 1,127
- Assignees
- 598
- Inventors
- 1,904
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 11 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 4 |
| 2003 | 9 | 3 |
| 2004 | 7 | 8 |
| 2005 | 6 | 15 |
| 2006 | 13 | 15 |
| 2007 | 9 | 6 |
| 2008 | 7 | 26 |
| 2009 | 14 | 25 |
| 2010 | 15 | 45 |
| 2011 | 28 | 36 |
| 2012 | 28 | 64 |
| 2013 | 36 | 54 |
| 2014 | 36 | 66 |
| 2015 | 35 | 55 |
| 2016 | 59 | 48 |
| 2017 | 61 | 91 |
| 2018 | 72 | 102 |
| 2019 | 113 | 84 |
| 2020 | 99 | 82 |
| 2021 | 88 | 73 |
| 2022 | 79 | 50 |
| 2023 | 59 | 46 |
| 2024 | 64 | 52 |
| 2025 | 60 | 45 |
| 2026 | 41 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Solid State Lamp Using Light Emitting Strips1 Oct 2026US 2026/0298419 A1Quarkstar LLC
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- Rotatable bulb and bulb group24 Sep 2026US 2026/0287141 A1Savant Technologies LLC
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- Sealed assembly and manufacturing process3 Sep 2026US 2026/0258938 A1Signify Holding B. V.
Most cited
By later US patents
- High power LED305US 6,541,800 B2Weldon Technologies, Inc. · 2003
- LED-based light-generating modules for socket engagement, and methods of assembling, installing and removing same220US 7,766,518 B2Philips Solid-State Lighting Solutions, Inc. · 2010
- Lighting apparatus161US 7,329,024 B2Permlight Products, Inc. · 2008
- LED-based lighting fixtures for surface illumination with improved heat dissipation and manufacturability157US 7,878,683 B2Koninklijke Philips Electronics N. V. · 2011
- Special effect lamps149US 5,749,646 A1998