Inventor · disambiguated record
Chad Feddema
Also filed as: FEDDEMA CHAD
13 granted patents·47 citations·filing 2016–2025
87Inventor score
Top patents by PatentIndex Score
13 records- 0195US12428910B1Gear reducerTURBO DRILL IND INC·Filed 2025·Granted Sep 30, 2025·1 cites·18 claims
- 0294US10113362B2Offset shaft bearing assemblyTURBO DRILL IND INC·Filed 2016·Granted Oct 30, 2018·31 cites·34 claims
- 0388US10422184B1Downhole tool for vertical and directional controlSANVEAN TECH LLC·Filed 2018·Granted Sep 24, 2019·6 cites·28 claims
- 0477US11512587B2Integrated centerline data recorderSANVEAN TECH LLC·Filed 2020·Granted Nov 29, 2022·1 cites·20 claims
- 0574US10633919B2Compound angle bearing assemblyTURBO DRILL IND INC·Filed 2017·Granted Apr 28, 2020·2 cites·8 claims
- 0673US11118403B1Energized ring valveSANVEAN TECH LLC·Filed 2020·Granted Sep 14, 2021·1 cites·20 claims
- 0773US10612316B2Articulated universal joint with backlash reductionTURBO DRILL IND INC·Filed 2018·Granted Apr 7, 2020·2 cites·21 claims
- 0871US10753152B1Rotor catch for bottomhole assemblyTURBO DRILL INDUSTRIES INC·Filed 2020·Granted Aug 25, 2020·1 cites·15 claims
- 0965US10907410B2Compound angle bearing assemblyTURBO DRILL IND INC·Filed 2020·Granted Feb 2, 2021·0 cites·26 claims
- 1060US10550689B2Method and apparatus for generating a low frequency pulse in a wellboreTURBO DRILL IND INC·Filed 2018·Granted Feb 4, 2020·1 cites·16 claims
- 1159US12252940B2MWD isolation deviceTURBO DRILL IND INC·Filed 2024·Granted Mar 18, 2025·0 cites·18 claims
- 1257US10196858B2Downhole tool for vertical and directional controlSANVEAN TECH·Filed 2017·Granted Feb 5, 2019·1 cites·39 claims
- 1352US12098607B2Downhole vibration toolTURBO DRILL IND INC·Filed 2022·Granted Sep 24, 2024·0 cites·30 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →