F03D 3/0436
For shielding one side of the rotor
Official title: {for shielding one side of the rotor}
F03D3/0436 (For shielding one side of the rotor) appears on 226 US grants and 260 published applications in this corpus.
Search patents in F03D- Granted patents
- 226
- Published applications
- 260
- Assignees
- 77
- Inventors
- 383
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 5 |
| 2004 | 2 | 7 |
| 2005 | 6 | 4 |
| 2006 | 4 | 4 |
| 2007 | 4 | 14 |
| 2008 | 1 | 12 |
| 2009 | 3 | 17 |
| 2010 | 7 | 33 |
| 2011 | 15 | 17 |
| 2012 | 12 | 15 |
| 2013 | 12 | 21 |
| 2014 | 13 | 14 |
| 2015 | 6 | 10 |
| 2016 | 8 | 12 |
| 2017 | 15 | 10 |
| 2018 | 7 | 14 |
| 2019 | 8 | 5 |
| 2020 | 8 | 11 |
| 2021 | 11 | 5 |
| 2022 | 4 | 6 |
| 2023 | 4 | 8 |
| 2024 | 3 | 4 |
| 2025 | 2 | 4 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Turbine device, power apparatus and power integrated system of electric power system16 Jun 2026US 12,655,824 B2
- Wind channelling and directing structures31 Mar 2026US 12,590,597 B2
- Energy conversion device, associated systems and methods24 Mar 2026US 12,587,065 B2GIG Energy LLC
- Increasing any vertical axis wind turbines efficiency20 May 2025US 12,305,617 B2
- Vertical axis wind turbine system for transportation vehicles13 May 2025US 12,297,802 B2
- Power integrated system of electric power system17 Sep 2026US 2026/0275961 A1
- Power plant with vertical axis wind turbines13 Aug 2026US 2026/0235103 A1Energypier AG
- Energy conversion device, associated systems and methods23 Jul 2026US 2026/0213616 A1GIG Energy LLC
- Vertical axis wind turbines and methods of manufacturing the same18 Jun 2026US 2026/0168476 A1Regents of the University of Minnesota
- Circular closed-loop turbine tunnel mechanism11 Jun 2026US 2026/0160227 A1
Most cited
By later US patents
- Wind dam electric generator and method102US 6,984,899 B1The United States of America as represented by the Secretary of the Navy · 2006
- Venturi effect charging system for automobile batteries92US 5,280,827 A1994
- Wind motor rotor having substantially constant pressure and relative velocity for airflow therethrough90US 4,084,918 ATurbomachines, Inc. · 1978
- Automobile air and ground effects power package66US 5,287,004 A1994
- Wind-turbines65US 4,156,580 A1979