Inventor · disambiguated record
Robert E. Barrett
Also filed as: BARRETT ROBERT · BARRETT ROBERT E
6 granted patents·89 citations·filing 1978–1999
83Inventor score
Top patents by PatentIndex Score
6 records- 0171US4430733ASwitching of digital signalsPOST OFFICE·Filed 1978·Granted Feb 7, 1984·13 cites·24 claims
- 0265US5395118ACrossword game board apparatusFiled 1994·Granted Mar 7, 1995·31 cites·11 claims
- 0345US5460071APower driven casing splitter apparatusNORTHERN ILLINOIS GAS CO·Filed 1993·Granted Oct 24, 1995·14 cites·4 claims
- 0438US6024515ALive service pipe insertion apparatus and methodNICOR TECHNOLOGIES INC·Filed 1997·Granted Feb 15, 2000·19 cites·6 claims
- 0538US5321233AElectrofusion fitting and sealing method for distribution lineNORTHERN ILLINOIS GAS·Filed 1992·Granted Jun 14, 1994·11 cites·21 claims
- 0618US6273644B1High pressure live service pipe renewal apparatus and methodFiled 1999·Granted Aug 14, 2001·1 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →