| Patents for F01L 17 - Slide-valve gear or valve arrangements with cylindrical, sleeve, or part-annularly-shaped valves surrounding working cylinder or piston (34) |
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| 09/18/2014 | WO2014140574A1 Improved opposed piston engine |
| 12/28/2011 | EP2399008A1 Compound drive for the sleeve valve of an engine |
| 10/19/2011 | CN102224324A Compound drive for the sleeve valve of an engine |
| 08/26/2010 | WO2010094078A1 Compound drive for the sleeve valve of an engine |
| 04/12/2007 | US20070079697 Pressure regulating device for a percussive hydraulic apparatus |
| 12/14/2005 | EP1603711A2 Impact device with a rotatable control valve |
| 10/27/2004 | EP1471228A2 Internal combustion engine equipped with a scavenging control valve apparatus |
| 04/29/1993 | WO1993008390A1 Total injection type internal combustion engine with exhaust gas heated compressed air |
| 03/25/1992 | EP0322407B1 Reciprocatory machines |
| 01/21/1992 | US5081963 Reciprocatory machines |
| 03/14/1990 | CN2054487U Four cycle engine with automatic waste gas exhaust port |
| 01/24/1990 | CN2051678U Reciprocating air compressor |
| 12/26/1989 | US4889034 Automatic reciprocator with manifold and sleeve valve |
| 08/16/1989 | EP0322407A4 Reciprocatory machines. |
| 07/05/1989 | EP0322407A1 Reciprocatory machines. |
| 03/10/1988 | WO1988001682A1 Reciprocatory machines |
| 11/23/1983 | EP0094862A1 Pneumatic driving device for a windscreen wiper and combined wiper-washer installation for headlights using such a device |
| 06/07/1983 | US4386889 Radial wave pump |
| 03/22/1983 | CA1143215A1 Reversing valve assembly for a fluid operated well pump |
| 12/14/1982 | US4363258 Hydraulic impactor |
| 08/17/1982 | US4344353 Hammer |
| 10/06/1981 | US4293287 Reversing valve assembly for a fluid operated well pump |
| 06/23/1981 | US4274327 Expansible chamber device |
| 09/09/1980 | US4221551 Sliding valve pump |
| 07/22/1980 | US4213377 Reciprocating engine with improved power output means |
| 10/09/1979 | USRE30109 Hydroacoustic apparatus and valving mechanisms for use therein |
| 02/06/1979 | CA1047883A1 Hydraulically driven striking device |
| 07/18/1978 | US4100977 Drop hammers |
| 05/16/1978 | US4089380 Hammer having fluid biased work member |
| 04/18/1978 | US4084486 Hydraulically driven striking device |
| 12/13/1977 | US4062268 Fluid operable hammer |
| 04/19/1977 | US4018135 Hydraulically powered impact device |
| 03/22/1977 | US4012909 Hammer |
| 02/01/1977 | US4005637 Hydroacoustic apparatus and valving mechanisms for use therein |