| Patents for F01L 3 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof (4,573) |
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| 04/29/1980 | US4200066 Internal combustion piston engine |
| 04/15/1980 | US4198062 Valve stem seal |
| 03/04/1980 | US4190941 Method of making cooled valves for internal combustion engines and valves obtained thereby |
| 02/12/1980 | US4187807 Cooled engine valve with improved heat transfer |
| 01/29/1980 | US4185368 Method for making valve guide inserts |
| 01/29/1980 | CA1070528A1 Oxidation and sulfidation resistant austenitic stainless steel |
| 01/15/1980 | CA1069788A1 Engine valve with recessed seat |
| 01/08/1980 | US4182299 Engine valve |
| 01/08/1980 | US4182282 Mushroom valve housing with fluid coolant circulation for internal combustion engines |
| 12/25/1979 | US4180030 Valve lock assembly |
| 12/18/1979 | US4178888 Carburetor and crankcase arrangement in a single-cylinder two-stroke engine |
| 12/18/1979 | US4178886 Two stroke engines |
| 11/13/1979 | US4173985 Straightway valve |
| 11/13/1979 | CA1066153A1 Engine exhaust valve cooling |
| 10/23/1979 | CA1064739A1 Valve seat material for an internal combustion engine |
| 10/02/1979 | US4169488 Cooled engine valve |
| 09/06/1979 | WO1979000650A1 Cooled engine valve with improved heat transfer |
| 08/21/1979 | US4164957 Oil-cooled engine valve |
| 08/21/1979 | CA1060738A1 Internal combustion engine having an improved inlet valve arrangement |
| 08/14/1979 | US4164209 Internal combustion engine cylinder valve assembly |
| 07/17/1979 | US4161163 Two cycle internal combustion engine |
| 07/03/1979 | US4159704 Articulated, spring-controlled intake valve |
| 07/03/1979 | CA1057607A1 Cylinder head construction for an internal combustion engine |
| 05/17/1979 | WO1979000247A1 Coating of substrates |
| 05/08/1979 | US4153078 Composite valve |
| 05/01/1979 | US4151816 Air or air and fuel mixture flow control in valve controlled internal combustion engines |
| 04/03/1979 | US4147149 Exhaust valve for a reciprocating internal combustion engine |
| 04/03/1979 | US4147138 Mushroom-type valve cooled by cooling fluid circulation |
| 03/27/1979 | CA1051288A1 Method and apparatus for fusibly bonding a coating metal powder to a metal article |
| 03/13/1979 | US4143626 Injector porting for two cycle internal combustion engine |
| 02/06/1979 | US4137886 Air intake system for an internal combustion engine |
| 01/23/1979 | CA1046712A1 Powdered metal article having wear resistant surface |
| 11/14/1978 | US4125265 Valve stem seal |
| 11/07/1978 | US4124413 Wear and pitting resistant cast iron |
| 11/07/1978 | US4124220 Lubricant seals |
| 10/31/1978 | US4122817 Internal combustion valve having an iron based hard-facing alloy contact surface |
| 10/17/1978 | US4120154 Internal combustion engine |
| 09/26/1978 | US4117302 Method for fusibly bonding a coating material to a metal article |
| 08/22/1978 | US4108132 Internal combustion engine having an improved inlet valve arrangement |
| 08/15/1978 | US4106466 Engine valve with recessed seat and annular groove |
| 08/01/1978 | US4103663 Cylinder head for internal combustion engines, especially diesel engines |
| 08/01/1978 | US4103662 Insert for rebuilding valve guides |
| 08/01/1978 | US4103409 Angularly adjustable force imparting tool |
| 06/13/1978 | US4094277 Intake valve mechanism for preventing back flow of exhaust gas |
| 04/18/1978 | US4084554 Multi-cylinder internal combustion engine |
| 04/04/1978 | US4082295 Reed valve with crankshaft seal and method |
| 02/28/1978 | US4076047 Reed valve |
| 02/14/1978 | US4073474 Poppet valve |
| 01/31/1978 | US4071000 Double crankshaft valved two cycle engine |
| 01/03/1978 | US4066050 Two-stroke I.C. engines |
| 12/13/1977 | US4062331 Two cycle internal combustion engine |
| 10/04/1977 | US4051820 Engine valving and porting |
| 09/27/1977 | US4050422 Fuel mixture in an internal combustion engine |
| 07/05/1977 | US4033303 Engine exhaust valve cooling |
| 05/17/1977 | US4023543 Internal combustion engine |
| 05/10/1977 | US4022294 Device for lubricating the guiding system of an internal combustion engine valve |
| 03/15/1977 | US4011852 Cylinder head for internal combustion engines |
| 02/22/1977 | US4008695 Cooled integral valve chest for an internal combustion engine and method for making same |
| 01/25/1977 | US4004889 Powdered metal article having wear resistant surface |
| 01/04/1977 | US4000730 Valve cage structure for internal combustion engines, particularly adapted for fluid cooling |
| 01/04/1977 | US4000723 Engine valve means and porting |
| 12/21/1976 | US3998199 Supercharged internal combustion engines |
| 12/07/1976 | US3995609 Internal combustion engine fuel control arrangement |
| 11/30/1976 | US3994319 Reed type valve formed of high modulus fiber reinforced composite material |
| 11/16/1976 | US3991729 Method and apparatus for introducing a combustible mixture into the cylinders of an internal combustion engine |
| 10/05/1976 | US3983900 Reed valves formed of high modulus fiber reinforced resin |
| 09/28/1976 | US3982905 Porous valve seat materials for internal combustion engines |
| 09/14/1976 | US3980060 Internal combustion engine |
| 09/07/1976 | US3978830 Snap-on spring retainer lock |
| 07/13/1976 | US3969109 Oxidation and sulfidation resistant austenitic stainless steel |
| 06/15/1976 | US3963016 Valve chests |
| 03/23/1976 | US3945356 Cooled exhaust valve and methods of manufacture thereof |
| 02/17/1976 | US3938484 Valve stem retainer |