Y10T 74/1534
Multiple acting
Y10T74/1534 (Multiple acting) appears on 24 US grants and 5 published applications in this corpus.
Search patents in Y10T- Granted patents
- 24
- Published applications
- 5
- Assignees
- 5
- Inventors
- 28
- Latest grant
- 18 Aug 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Thermal ratchet system18 Aug 2015US 9,109,584 B2Schlumberger Technology Corporation
- Thermal ratchet system5 Aug 2014US 8,794,104 B2Schlumberger Technology Corporation
- Lever enhanced pedaling system with multi-speed control system1 Mar 2011US 7,896,377 B2
- Reciprocal force outputting mechanism14 Sep 2004US 6,789,439 B2
- Treading type vehicle driving device30 Mar 2004US 6,711,967 B1
- Thermal Ratchet System16 Oct 2014US 2014/0305259 A1Schlumberger Technology Corporation
- Thermal Ratchet System25 Apr 2013US 2013/0098028 A1Schlumberger Technology Corporation
- Lever enhanced pedaling system's multi-speed system6 Mar 2008US 2008/0054589 A1
- Treading type vehicle driving device18 Mar 2004US 2004/0050195 A1
- Reciprocal force outputting mechanism11 Dec 2003US 2003/0226413 A1
Most cited
By later US patents
- Electrical generating system for vehicles103US 4,387,781 A1983
- Variable speed lever propelled wheelchair50US 5,007,655 A1991
- Exercise machine36US 6,080,088 ABioform Engineering, Inc. · 2000
- Drive mechanism30US 4,861,055 A1989
- Exercise machine which converts reciprocating motion to unidirectional rotational motion25US 5,542,893 ABioform Engineering, Inc. · 1996