Assignee
HETTINGA SIEBOLT
12 granted patents·362 citations·filing 1976–1997
Top patents by PatentIndex Score
12 records- 0192US4743323AMethod of molding a composite articleHETTINGA SIEBOLT·Filed 1986·Granted May 10, 1988·74 cites·10 claims
- 0289US4307057AMethod for aligning an injection mold with a nozzle at the mold injection stationHETTINGA SIEBOLT·Filed 1980·Granted Dec 22, 1981·31 cites·6 claims
- 0388US5853630ALow pressure method for injection molding a plastic articleHETTINGA SIEBOLT·Filed 1997·Granted Dec 29, 1998·54 cites·21 claims
- 0479US4397806AMethod and apparatus for mold injectionHETTINGA SIEBOLT·Filed 1981·Granted Aug 9, 1983·15 cites·3 claims
- 0577US4613475AClamping structure and method for clamping the mold unit of a mold injection apparatusHETTINGA SIEBOLT·Filed 1985·Granted Sep 23, 1986·37 cites·5 claims
- 0673US4125490AMethod of forming dimensionally stable foamed articles of polyvinyl aromatic resins and resultant productHETTINGA SIEBOLT·Filed 1976·Granted Nov 14, 1978·25 cites·9 claims
- 0772US5139714AProcess for injection molding a hollow plastic articleHETTINGA SIEBOLT·Filed 1991·Granted Aug 18, 1992·32 cites·27 claims
- 0870US5336460AProcess for making molded-in lamina hingeHETTINGA SIEBOLT·Filed 1993·Granted Aug 9, 1994·30 cites·12 claims
- 0968US5275764AMethod of molding a vehicle lamp assemblyHETTINGA SIEBOLT·Filed 1991·Granted Jan 4, 1994·34 cites·10 claims
- 1066USD282847STilt and rotate base for a display monitorHETTINGA SIEBOLT·Filed 1983·Granted Mar 4, 1986·9 cites·1 claims
- 1151US5151237AMethod of injection molding a flat deformable laminateHETTINGA SIEBOLT·Filed 1990·Granted Sep 29, 1992·15 cites·5 claims
- 1236US5110532AMethod for molding a laminateHETTINGA SIEBOLT·Filed 1991·Granted May 5, 1992·6 cites·4 claims
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