Assignee
HITCHINER MANUFACTURING CO
US·26 granted patents·629 citations·filing 1977–2022
Top patents by PatentIndex Score
26 records- 0198US5299619AMethod and apparatus for making intermetallic castingsHITCHINER MANUFACTURING CO·Filed 1992·Granted Apr 5, 1994·69 cites·21 claims
- 0298US5042561AApparatus and process for countergravity casting of metal with air exclusionHITCHINER MANUFACTURING CO·Filed 1989·Granted Aug 27, 1991·57 cites·31 claims
- 0397US4112997AMetal castingHITCHINER MANUFACTURING CO·Filed 1977·Granted Sep 12, 1978·48 cites·3 claims
- 0495US4651799AVented casting molds and process of making the sameHITCHINER MANUFACTURING CO·Filed 1986·Granted Mar 24, 1987·41 cites·12 claims
- 0595US4340108AMethod of casting metal in sand mold using reduced pressureHITCHINER MANUFACTURING CO·Filed 1980·Granted Jul 20, 1982·75 cites·17 claims
- 0691US6499529B1Centrifugal countergravity castingHITCHINER MANUFACTURING CO·Filed 2001·Granted Dec 31, 2002·40 cites·23 claims
- 0790US4961455ACountergravity casing apparatus and method with magnetically actuated valve to prevent molten metal run-outHITCHINER MANUFACTURING CO·Filed 1989·Granted Oct 9, 1990·29 cites·29 claims
- 0890US4606396ASand mold and apparatus for reduced pressure castingHITCHINER MANUFACTURING CO·Filed 1984·Granted Aug 19, 1986·35 cites·13 claims
- 0990US4589466AMetal castingHITCHINER MANUFACTURING CO·Filed 1985·Granted May 20, 1986·30 cites·12 claims
- 1087US5303762ACountergravity casting apparatus and methodHITCHINER MANUFACTURING CO·Filed 1992·Granted Apr 19, 1994·24 cites·15 claims
- 1185US9498819B2Refractory mold and method of makingHITCHINER MANUFACTURING CO·Filed 2013·Granted Nov 22, 2016·4 cites·24 claims
- 1283US5607007ADirectional solidification apparatus and methodHITCHINER MANUFACTURING CO·Filed 1994·Granted Mar 4, 1997·37 cites·23 claims
- 1382US6684934B1Countergravity casting method and apparatusHITCHINER MANUFACTURING CO·Filed 2000·Granted Feb 3, 2004·26 cites·23 claims
- 1480US6004368AMelting of reactive metallic materialsHITCHINER MANUFACTURING CO·Filed 1998·Granted Dec 21, 1999·22 cites·18 claims
- 1580US5146973ACountergravity casting method and apparatusHITCHINER MANUFACTURING CO·Filed 1990·Granted Sep 15, 1992·18 cites·13 claims
- 1680US5113924AMethod of casting wear-resistant, cast iron machine elementHITCHINER MANUFACTURING CO·Filed 1990·Granted May 19, 1992·18 cites·13 claims
- 1779US9833833B2Refractory mold and method of makingHITCHINER MANUFACTURING CO·Filed 2016·Granted Dec 5, 2017·1 cites·21 claims
- 1873USRE48971ERefractory mold and method of makingHITCHINER MANUFACTURING CO·Filed 2018·Granted Mar 15, 2022·0 cites·24 claims
- 1973US9486852B2Radial pattern assemblyHITCHINER MANUFACTURING CO·Filed 2013·Granted Nov 8, 2016·1 cites·26 claims
- 2070USRE49063ERadial pattern assemblyHITCHINER MANUFACTURING CO·Filed 2018·Granted May 10, 2022·0 cites·27 claims
- 2162US4532976AGas permeable metal casting mold having gas collection voidsHITCHINER MANUFACTURING CO·Filed 1984·Granted Aug 6, 1985·16 cites·10 claims
- 2261US12164313B2Viscosity control system and methodHITCHINER MANUFACTURING CO·Filed 2022·Granted Dec 10, 2024·0 cites·19 claims
- 2361US6453976B1Lost foam countergravity castingHITCHINER MANUFACTURING CO·Filed 1999·Granted Sep 24, 2002·20 cites·20 claims
- 2459US5163391AWear resistant cast iron rocker arm and method of making sameHITCHINER MANUFACTURING CO·Filed 1992·Granted Nov 17, 1992·8 cites·8 claims
- 2551US9481029B2Method of making a radial pattern assemblyHITCHINER MANUFACTURING CO·Filed 2013·Granted Nov 1, 2016·0 cites·26 claims
- 2643US4508157ASelf-tapping support for shell moldsHITCHINER MANUFACTURING CO·Filed 1983·Granted Apr 2, 1985·10 cites·7 claims
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