Inventor · disambiguated record
Richard L. Bertram
Also filed as: BERTRAM RICHARD L
6 granted patents·91 citations·filing 1986–2000
84Inventor score
Files withBERTRAM RICHARD L4
Top patents by PatentIndex Score
6 records- 0170US4792493ACorrosion resistant coating and liner combinationBERTRAM RICHARD L·Filed 1986·Granted Dec 20, 1988·27 cites·7 claims
- 0256US5389692AStructural strength coating and materialFiled 1993·Granted Feb 14, 1995·18 cites·25 claims
- 0352US6494978B1Deteriorated structure repair method for restoring and lining corroded structureFiled 2000·Granted Dec 17, 2002·13 cites·4 claims
- 0452US5268392ADeteriorated structure repair method and substratum for restoring and lining corroded structureBERTRAM RICHARD L·Filed 1992·Granted Dec 7, 1993·21 cites·22 claims
- 0533US6673193B1System and method for welding a seam between thermoplastic liner sheetsBERTRAM RICHARD L·Filed 1998·Granted Jan 6, 2004·7 cites·24 claims
- 0631US6967045B1Integrated composite structural conduit formed in placeBERTRAM RICHARD L·Filed 1998·Granted Nov 22, 2005·5 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →