F21V 21/32
Flexible tubes
F21V21/32 (Flexible tubes) appears on 281 US grants and 278 published applications in this corpus.
Search patents in F21V- Granted patents
- 281
- Published applications
- 278
- Assignees
- 146
- Inventors
- 552
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 12 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 3 |
| 2002 | 5 | 7 |
| 2003 | 8 | 12 |
| 2004 | 7 | 13 |
| 2005 | 10 | 11 |
| 2006 | 6 | 19 |
| 2007 | 12 | 8 |
| 2008 | 2 | 14 |
| 2009 | 6 | 13 |
| 2010 | 8 | 13 |
| 2011 | 4 | 15 |
| 2012 | 11 | 9 |
| 2013 | 4 | 12 |
| 2014 | 10 | 13 |
| 2015 | 15 | 17 |
| 2016 | 8 | 12 |
| 2017 | 4 | 9 |
| 2018 | 10 | 5 |
| 2019 | 5 | 9 |
| 2020 | 15 | 13 |
| 2021 | 6 | 9 |
| 2022 | 13 | 7 |
| 2023 | 3 | 10 |
| 2024 | 12 | 11 |
| 2025 | 10 | 7 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Magnifying glass and lighting tool assembly11 Jun 2026US 2026/0160989 A1Hong Ann Tool Industries Co., Ltd.
- Illuminated earpiece device26 Feb 2026US 2026/0055888 A1
- Storage lights and mounting structures for the same19 Feb 2026US 2026/0049709 A1Techtronic Cordless GP
- Multiple lighting mode led lamp29 Jan 2026US 2026/0032796 A1Kupa, Inc.
Most cited
By later US patents