F21S 9/046
Driven by hydropower
Official title: {driven by hydropower, e.g. by water powered turbines}
F21S9/046 (Driven by hydropower) appears on 32 US grants and 37 published applications in this corpus.
Search patents in F21S- Granted patents
- 32
- Published applications
- 37
- Assignees
- 18
- Inventors
- 75
- Latest grant
- 27 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 4 |
| 2008 | 0 | 2 |
| 2009 | 2 | 3 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 1 | 2 |
| 2013 | 1 | 3 |
| 2014 | 2 | 3 |
| 2015 | 2 | 3 |
| 2016 | 2 | 2 |
| 2017 | 3 | 1 |
| 2018 | 2 | 3 |
| 2019 | 3 | 0 |
| 2020 | 1 | 1 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Luminous water outlet device27 Jun 2023US 11,686,075 B2Xiamen Delmei Sanitary Ware Co., Ltd.
- Lighting shower3 Jan 2023US 11,543,117 B2Purity (Xiamen) Sanitary Ware Co., Ltd.
- Spinning showerhead8 Mar 2022US 11,267,004 B2Delta Faucet Company
- Light-emitting assembly with micro hydraulic power generator16 Nov 2021US 11,175,005 B2Ppi Xiamen Industry Co., Ltd.
- Self-power-generating water outflow device with a light8 Jun 2021US 11,028,986 B2Xiamen Lota International Co., Ltd.
- Showerhead16 Nov 2023US 2023/0364627 A1Kohler Co.
- Luminous water outlet device5 Jan 2023US 2023/0003008 A1Xiamen Delmei Sanitary Ware Co., Ltd.
- Lighting shower14 Apr 2022US 2022/0113020 A1Purity (Xiamen) Sanitary Ware Co., Ltd.
- Light-emitting assembly with micro hydraulic power generator14 Oct 2021US 2021/0317961 A1Ppi Xiamen Industry Co., Ltd.
- Self-power-generating water outflow device with a light18 Feb 2021US 2021/0048160 A1Xiamen Lota International Co., Ltd.
Most cited
By later US patents
- Water-powered light159US 4,616,298 A1986
- Hydro-light148US 4,564,889 A1986
- Floating fountain device81US 4,920,465 AAlopex Industries, Inc. · 1990
- Water faucet generated emergency lighting system77US 6,036,333 A2000
- Battery-powered remotely controlled floating pool fountain and light device32US 6,375,090 B12002