Assignee
PHILLIPS WALTER
US·6 granted patents·1 pending application·4 citations·filing 1991–2023
Top patents by PatentIndex Score
7 records- 0184US12378872B2Wellbore friction measurement, method and apparatusPHILLIPS WALTER·Filed 2022·Granted Aug 5, 2025·1 cites·20 claims
- 0278US8518PDogwood tree `Phillips Pink No. 1`PHILLIPS WALTER·Filed 1991·Granted Dec 28, 1993·2 cites·1 claims
- 0369US11814948B2Apparatus and method for detecting the rotation of a rod-string in a wellborePHILLIPS WALTER·Filed 2018·Granted Nov 14, 2023·1 cites·21 claims
- 0466US2024026771A1Method for detecting the rotation of a rod-string in a wellborePHILLIPS WALTER·Filed 2023·Application pending·0 cites
- 0563US11525351B2Wellbore friction measurement, method and apparatusPHILLIPS WALTER·Filed 2020·Granted Dec 13, 2022·0 cites·17 claims
- 0657US12546208B2Apparatus for affixing a rotation sensor to a rod lift systemPHILLIPS WALTER·Filed 2023·Granted Feb 10, 2026·0 cites·10 claims
- 0745US11560783B2Dynamic pumpjack load verificationPHILLIPS WALTER·Filed 2020·Granted Jan 24, 2023·0 cites·19 claims
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