Y10T 74/19753
Plural independent recirculating element paths
Y10T74/19753 (Plural independent recirculating element paths) appears on 41 US grants and 44 published applications in this corpus.
Search patents in Y10T- Granted patents
- 41
- Published applications
- 44
- Assignees
- 25
- Inventors
- 93
- Latest grant
- 17 Nov 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 5 | 4 |
| 2003 | 2 | 2 |
| 2004 | 3 | 9 |
| 2005 | 1 | 5 |
| 2006 | 1 | 2 |
| 2007 | 5 | 3 |
| 2008 | 2 | 2 |
| 2009 | 4 | 2 |
| 2010 | 1 | 5 |
| 2011 | 2 | 3 |
| 2012 | 2 | 1 |
| 2013 | 1 | 3 |
| 2014 | 0 | 2 |
| 2015 | 4 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- External circulation type ball screw device17 Nov 2015US 9,188,210 B2Hiwin Technologies Corp.
- Internal circulation ball screw21 Apr 2015US 9,010,210 B2Hiwin Technololgies Corp.
- Ball screw device, linear actuator and vehicle steering system24 Feb 2015US 8,960,037 B2Jtekt Corporation
- Roller element retainer for ball screw device20 Jan 2015US 8,935,967 B2Hiwin Technologies Corp.
- Ball screw apparatus and electric power steering apparatus13 Aug 2013US 8,505,405 B2Jtekt Corporation
- Roller element retainer for ball screw device26 Jun 2014US 2014/0174232 A1Hiwin Technologies Corp.
- External circulation type ball screw device27 Mar 2014US 2014/0083224 A1Hiwin Technologies Corp.
- Ball screw device, linear actuator and vehicle steering system19 Sep 2013US 2013/0239714 A1Jtekt Corporation
- Internal circulation ball screw30 May 2013US 2013/0133453 A1Hiwin Technololgies Corp.
- Ball screw7 Feb 2013US 2013/0031995 A1
Most cited
By later US patents
- Ball screw142US 7,536,928 B2Ntn Corporation · 2009
- Direct attachment electric motor operated ball nut and screw linear actuator32US 6,453,761 B1Thomson Saginaw Ball Screw Company, Inc. · 2002
- Multiple circuit internal ball nut return assembly with radial drop-in insert for ball screw devices23US 5,193,409 AThomson Saginaw Ball Screw Company, Inc. · 1993
- Ball connecting body and ball screw apparatus using the same21US 6,082,210 AThk Co., Ltd. · 2000
- Ball screw and electrically powered steering device having the ball screw19US 6,454,042 B1Ntn Corporation · 2002