F03D 9/16
Using weights
Official title: using weights
F03D9/16 (Using weights) appears on 17 US grants and 20 published applications in this corpus.
Search patents in F03D- Granted patents
- 17
- Published applications
- 20
- Assignees
- 11
- Inventors
- 30
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 2 | 0 |
| 2012 | 2 | 3 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 2 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modular wind turbine blade designs31 Mar 2026US 12,590,565 B1
- Energy harvesting system19 Aug 2025US 12,395,114 B2Vertical Green Energy Ltd
- Subterranean energy storage system9 Jul 2024US 12,030,732 B2Economical Energy Pty Ltd
- System for producing energy via use of gravity8 Sep 2020US 10,767,621 B2Karousos LLC
- System for producing energy via use of gravity24 Sep 2019US 10,422,313 B2Karousos LLC
- Energy harvesting system24 Oct 2024US 2024/0356480 A1Vertical Green Energy Ltd
- Pneumatic motion system27 Apr 2023US 2023/0127196 A1Fu-Guan-Da Co., Ltd.
- Subterranean energy storage system22 Dec 2022US 2022/0402700 A1Economical Energy Pty Ltd
- Energy storage mechanisms for uncontrolled fuel input turbine21 Jul 2022US 2022/0228562 A1
- Variable moment of inertia wind turbine28 Feb 2019US 2019/0063405 A1
Most cited
By later US patents
- Guided flow wind power machine with tubular fans63US 4,204,126 A1980
- Energy storage34US 7,973,420 B2Viewtek2 L.L.C. · 2011
- System and method for storing energy19US 8,166,760 B2Launchpoint Technologies, Inc. · 2012
- Wind turbine based energy storage system and method using heavy weighted devices13US 7,944,075 B22011
- Wind powered generator with gravity assisted mechanical advantage booseter8US 4,311,918 A1982