Assignee
SANDY HILL CORP
US·9 granted patents·74 citations·filing 1978–1990
Top patents by PatentIndex Score
9 records- 0178US5011575AInclined multiplyformerSANDY HILL CORP·Filed 1990·Granted Apr 30, 1991·30 cites·1 claims
- 0260US4427722AApparatus for applying a controlled layer of a saturant or a coating via a free-falling vertical curtainSANDY HILL CORP·Filed 1982·Granted Jan 24, 1984·16 cites·2 claims
- 0348US4547266AApparatus for providing selectively differentiated vacuum across a papermaking machine widthSANDY HILL CORP·Filed 1983·Granted Oct 15, 1985·13 cites·1 claims
- 0435US4980027AVari-flow headbox with large and small flow inlet systemsSANDY HILL CORP·Filed 1990·Granted Dec 25, 1990·4 cites·2 claims
- 0533US4167441APapermaking machineSANDY HILL CORP·Filed 1978·Granted Sep 11, 1979·3 cites·3 claims
- 0630US4561937AApparatus for trimming the edge of a web during formation using a drainage interrupting maskSANDY HILL CORP·Filed 1983·Granted Dec 31, 1985·0 cites·2 claims
- 0725US4512226ASlitting apparatus and methodSANDY HILL CORP·Filed 1983·Granted Apr 23, 1985·6 cites·4 claims
- 0821US4922776AVariable width splitterSANDY HILL CORP·Filed 1988·Granted May 8, 1990·1 cites·1 claims
- 0921US4675077AAdjustable means for profile correction for a headbox sliceSANDY HILL CORP·Filed 1986·Granted Jun 23, 1987·1 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →