Inventor · disambiguated record

Robert Lawrence Ryll

Also filed as: RYLL ROBERT LAWRENCE

2 granted patents·94 citations·filing 1999–1999

67Inventor score

Technology areasE21B

Files withTOP CO IND LTD2

Top patents by PatentIndex Score

2 records

0171US6302205B1Method for locating a drill bit when drilling out cementing equipment from a wellboreTOP CO IND LTD·Filed 1999·Granted Oct 16, 2001·76 cites·2 claims
0234US6237686B1Cementing plugTOP CO IND LTD·Filed 1999·Granted May 29, 2001·18 cites·4 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →