|
| US3949552 | 13 Dec 1973 | 13 Apr 1976 | Toyota Jidosha Kogyo Kabushiki Kaisha | Heat insulating castings |
| US3987143 | 5 Jun 1975 | 19 Oct 1976 | Chrysler Corporation | Method of decreasing heat loss from exhaust gases of an internal combustion engine |
| US4120154 | 8 Apr 1976 | 17 Oct 1978 | Nissan Motor Company, Limited | Internal combustion engine |
| US4254621 | 2 Mar 1979 | 10 Mar 1981 | Nissan Motor Company, Limited | Heat-insulating layer to prevent temperature drop of combustion gas in internal combustion engine |
| US4523554 | 14 Oct 1983 | 18 Jun 1985 | Usui Kokusai Sangyo Kabushiki Kaisha | Metal and ceramic assembly |
| US4873952 | 26 Feb 1988 | 17 Oct 1989 | NGK Spark Plug Co., Ltd. | Engine cylinder head with precombustion chambers using porous ceramics insert |
| US4899707 | 17 Feb 1988 | 13 Feb 1990 | NGK Spark Plug Company, Limited | Engine cylinder head with precombustion chambers using ceramics insert |
| US5137789 | 3 Dec 1990 | 11 Aug 1992 | Caterpillar Inc. | Composite ceramic and metal article |
| US5239956 | 7 Jun 1991 | 31 Aug 1993 | Detroit Diesel Corporation | Internal combustion engine cylinder heads and similar articles of manufacture and methods of manufacturing same |
| US5354608 | 2 Feb 1993 | 11 Oct 1994 | Detroit Diesel Corporation | Internal combustion engine cylinder heads and similar articles of manufacture and methods of manufacturing same |
| US5705266 | 11 Oct 1994 | 6 Jan 1998 | Detroit Diesel Corporation | Core material for the casting of articles and related process |