Assignee
BLOCK ALLAN CORP
18 granted patents·1,045 citations·filing 1987–2010
Top patents by PatentIndex Score
18 records- 0197US5484236AMethod of forming concrete retaining wall blockBLOCK ALLAN CORP·Filed 1993·Granted Jan 16, 1996·205 cites·17 claims
- 0296US6540501B1Method and apparatus for producing concrete blocks with textured surfacesBLOCK ALLAN CORP·Filed 2000·Granted Apr 1, 2003·57 cites·25 claims
- 0396US4909010AConcrete block for retaining wallsBLOCK ALLAN CORP·Filed 1987·Granted Mar 20, 1990·128 cites·9 claims
- 0495US7712281B2Interlocking building blockBLOCK ALLAN CORP·Filed 2005·Granted May 11, 2010·38 cites·21 claims
- 0595US5623797ABlock structure and system for arranging above-ground fencing, railing and/or sound barriersBLOCK ALLAN CORP·Filed 1995·Granted Apr 29, 1997·145 cites·3 claims
- 0694US7775747B2Multi-component retaining wall blockBLOCK ALLAN CORP·Filed 2008·Granted Aug 17, 2010·35 cites·31 claims
- 0794US6948282B2Interlocking building blockBLOCK ALLAN CORP·Filed 2003·Granted Sep 27, 2005·71 cites·66 claims
- 0894USD459487SLandscape blockBLOCK ALLAN CORP·Filed 2001·Granted Jun 25, 2002·58 cites·1 claims
- 0990US6523317B1Wall block with interlockBLOCK ALLAN CORP·Filed 2001·Granted Feb 25, 2003·62 cites·4 claims
- 1087USD411315SStackable, mortarless landscape edging block having a rear wing elementBLOCK ALLAN CORP·Filed 1998·Granted Jun 22, 1999·38 cites·1 claims
- 1185US6322742B1Method of producing stackable concrete blocksBLOCK ALLAN CORP·Filed 1998·Granted Nov 27, 2001·49 cites·5 claims
- 1284US6082067ADry stackable block structuresBLOCK ALLAN CORP·Filed 1999·Granted Jul 4, 2000·87 cites·2 claims
- 1381US6854236B2Reinforcing system for stackable retaining wall unitsBLOCK ALLAN CORP·Filed 2001·Granted Feb 15, 2005·27 cites·12 claims
- 1468USD626662SMulti-component retaining wall blockBLOCK ALLAN CORP·Filed 2009·Granted Nov 2, 2010·10 cites·1 claims
- 1568US7524144B2Retaining wallBLOCK ALLAN CORP·Filed 2004·Granted Apr 28, 2009·14 cites·19 claims
- 1658USD624204SMulti-component retaining wall blockBLOCK ALLAN CORP·Filed 2009·Granted Sep 21, 2010·8 cites·1 claims
- 1756USD625027SMulti-component retaining wall blockBLOCK ALLAN CORP·Filed 2010·Granted Oct 5, 2010·6 cites·1 claims
- 1854USD625028SMulti-component retaining wall blockBLOCK ALLAN CORP·Filed 2010·Granted Oct 5, 2010·7 cites·1 claims
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