F16H 39/18
The connections of the pistons being at the outer ends of the
Official title: the connections of the pistons being at the outer ends of the cylinders
F16H39/18 (The connections of the pistons being at the outer ends of the) appears on 19 US grants and 6 published applications in this corpus.
Search patents in F16H- Granted patents
- 19
- Published applications
- 6
- Assignees
- 10
- Inventors
- 28
- Latest grant
- 13 Dec 2011
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Wind energy system with fluid-working machine with non-symmetric actuation13 Dec 2011US 8,074,450 B2General Electric Company
- Hydromechanical variable speed transmission17 May 2011US 7,942,778 B2
- Hydrostatic-mechanical transmission19 Oct 2010US 7,814,813 B2ZF Friedrichshafen AG
- Hydrostatic-mechanical transmission27 Apr 2010US 7,703,352 B2ZF Friedrichshafen AG
- Polyphase hydraulic drive system16 Dec 2008US 7,464,549 B1Borealis Technical Limited
- Wind energy system with fluid-working machine with non-symmetric actuation18 Feb 2010US 2010/0040470 A1General Electric Company
- Hydrostatic-mechanical transmission20 Mar 2008US 2008/0070734 A1ZF Friedrichshafen AG
- Hydrostatic-mechanical transmission20 Mar 2008US 2008/0070735 A1ZF Friedrichshafen AG
- Hydromechanical Variable Speed Transmission25 Oct 2007US 2007/0249454 A1
- Hydraulic transmission device8 May 2003US 2003/0084664 A1
Most cited
By later US patents
- Neutral shifting mechanism for hydrostatic transmission62US 5,042,252 AUnipat AG · 1991
- Hydrostatic transmission and relief valve therefor55US 5,136,845 AEaton Corporation · 1992
- Slipper guide for a hydrostatic transmission34US 5,400,594 ATecumseh Products Company · 1995
- Rotary hydrostatic machines or transmissions24US 4,691,512 AUnipat AG · 1987
- Rotary hydrostatic machines or transmissions22US 4,843,818 A1989