F05B 2250/281
Threaded
Official title: threaded
F05B2250/281 (Threaded) appears on 7 US grants and 7 published applications in this corpus.
Search patents in F05B- Granted patents
- 7
- Published applications
- 7
- Assignees
- 5
- Inventors
- 11
- Latest grant
- 3 Jan 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 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 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fluid rotor3 Jan 2012US 8,087,897 B2Windside America
- Methods and devices for improving efficiency of wind turbines in low speed sites7 Sep 2010US 7,789,624 B2
- Fluid energy converter13 Oct 2009US 7,600,963 B2Viryd Technologies Inc.
- Vertical pump with oil lubricant; C-seal for pump; and pump with threaded shaft position adjustment6 Jan 2004US 6,672,830 B2Environamics Corporation
- Vertical pump with oil lubricant, C-seal for pump; and pump with threaded shaft position adjustment9 Dec 2003US 6,659,720 B2Environamics Corporation
- Fluid energy converter11 Feb 2010US 2010/0034656 A1Viryd Technologies Inc.
- Fluid rotor6 Aug 2009US 2009/0196750 A1Windside America
- Methods and devices for improving efficiency of wind turbines in low wind speed sites6 Sep 2007US 2007/0205603 A1
- Methods and devices for improving efficiency of wind turbines in low speed sites6 Sep 2007US 2007/0207033 A1
- Fluid energy converter22 Feb 2007US 2007/0041823 A1Viryd Technologies Inc.
Most cited
By later US patents
- Fluid energy converter27US 7,600,963 B2Viryd Technologies Inc. · 2009
- Vacuum pump with helically threaded cylinders23US 5,154,572 AHitachi Koki Co., Ltd. · 1992
- Methods and devices for improving efficiency of wind turbines in low speed sites10US 7,789,624 B22010
- Vertical pump with oil lubricant; C-seal for pump; and pump with threaded shaft position adjustment7US 6,468,028 B1Environamics Corporation · 2002
- Fluid rotor4US 8,087,897 B2Windside America · 2012