F21V 21/0824
Ground spikes
Official title: {Ground spikes}
F21V21/0824 (Ground spikes) appears on 495 US grants and 418 published applications in this corpus.
Search patents in F21V- Granted patents
- 495
- Published applications
- 418
- Assignees
- 176
- Inventors
- 635
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 9 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 9 | 0 |
| 1996 | 10 | 0 |
| 1997 | 11 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 18 | 0 |
| 2001 | 7 | 0 |
| 2002 | 9 | 7 |
| 2003 | 10 | 15 |
| 2004 | 13 | 11 |
| 2005 | 10 | 18 |
| 2006 | 12 | 26 |
| 2007 | 14 | 22 |
| 2008 | 10 | 20 |
| 2009 | 8 | 14 |
| 2010 | 9 | 13 |
| 2011 | 12 | 10 |
| 2012 | 10 | 16 |
| 2013 | 10 | 20 |
| 2014 | 10 | 15 |
| 2015 | 14 | 15 |
| 2016 | 11 | 10 |
| 2017 | 17 | 26 |
| 2018 | 28 | 30 |
| 2019 | 24 | 15 |
| 2020 | 22 | 14 |
| 2021 | 26 | 23 |
| 2022 | 22 | 15 |
| 2023 | 18 | 18 |
| 2024 | 23 | 21 |
| 2025 | 27 | 13 |
| 2026 | 14 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fiber optic ground spike light fixture1 Sep 2026US 12,723,744 B2Dongguan Jiasheng Lighting Technology Co., Ltd.
- Insect repellant device with simulated flame28 Jul 2026US 12,690,578 B2PIC Corporation
- Animal-like solar garden lamp21 Jul 2026US 12,687,279 B1Shenzhen Aoyin Lighting Co., Ltd.
- Garden light7 Jul 2026US 12,674,570 B1Metromax America Corporation
- Luminaire with detachable decorative parts9 Jun 2026US 12,650,216 B1Zhongshan Yusen Lighting Technology Co., Ltd.
- Solar led light floor that can be spliced10 Sep 2026US 2026/0266443 A1
- Lighting fixture for outdoor use30 Jul 2026US 2026/0218887 A1Stella ImportaçãO E ExportaçãO De LumináRias Ltda
- Lighting apparatus23 Jul 2026US 2026/0210535 A1Leedarson Lighting Co., Ltd.
- Outdoor portable light16 Jul 2026US 2026/0202044 A1Homesports, LLC
- Fiber optic ground spike light fixture18 Jun 2026US 2026/0168657 A1Dongguan Jiasheng Lighting Technology Co., Ltd.
Most cited
By later US patents
- Highly efficient LED lamp178US 6,814,470 B2Farlight LLC · 2004
- Low voltage outdoor floodlight having adjustable beam pattern, ball and socket mounting, and novel cable handling157US 5,086,379 AIntermatic Incorporated · 1992
- Spot light fixture with beam adjustment133US 6,612,720 B12003
- Solar rechargeable light125US 5,055,984 AThe Brinkmann Corporation · 1991
- Solar powered light assembly to produce light of varying colors107US 7,196,477 B22007