Inventor · disambiguated record

Dennis Francis Ranks

Also filed as: RANKS DENNIS FRANCIS

3 granted patents·3 citations·filing 2016–2020

57Inventor score

Technology areasE21B

Files with1904296 ALBERTA LTD3

Top patents by PatentIndex Score

3 records

0167US10138689B2Tool and method for use in supporting a sucker rod string in an oil or gas well1904296 ALBERTA LTD·Filed 2016·Granted Nov 27, 2018·2 cites·19 claims
0261US10907422B2Tool and method for use in supporting a sucker rod string in an oil or gas well1904296 ALBERTA LTD·Filed 2018·Granted Feb 2, 2021·1 cites·19 claims
0356US11674360B2Tool and method for use in supporting a sucker rod string in an oil or gas well1904296 ALBERTA LTD·Filed 2020·Granted Jun 13, 2023·0 cites·10 claims

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