Assignee
OLDCASTLE INC
10 granted patents·675 citations·filing 1981–1997
Top patents by PatentIndex Score
10 records- 0198US5502940AComposite building element and methods of making and using the sameOLDCASTLE INC·Filed 1993·Granted Apr 2, 1996·155 cites·33 claims
- 0297US5884445APaving block arrayOLDCASTLE INC·Filed 1997·Granted Mar 23, 1999·163 cites·5 claims
- 0397USD404147SPaving blockOLDCASTLE INC·Filed 1997·Granted Jan 12, 1999·83 cites·1 claims
- 0488USD338541SRoof tileOLDCASTLE INC·Filed 1991·Granted Aug 17, 1993·29 cites·1 claims
- 0582USD356873SRoof tileOLDCASTLE INC·Filed 1993·Granted Mar 28, 1995·24 cites·1 claims
- 0681US5070671ARoof tilesOLDCASTLE INC·Filed 1989·Granted Dec 10, 1991·61 cites·4 claims
- 0778US5268028ALightweight concrete roof tiles and similar productsOLDCASTLE INC·Filed 1988·Granted Dec 7, 1993·46 cites·13 claims
- 0876US4574536ARoof tileOLDCASTLE INC·Filed 1981·Granted Mar 11, 1986·52 cites·20 claims
- 0966US5214895ARoof tilesOLDCASTLE INC·Filed 1991·Granted Jun 1, 1993·40 cites·10 claims
- 1045US5490360ARoofing elementsOLDCASTLE INC·Filed 1994·Granted Feb 13, 1996·22 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →