Invention Grant
- Patent Title: Apparatus for well cleaning
- Patent Title (中): 清洗设备
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Application No.: US12168837Application Date: 1937-01-21
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Publication No.: US2179619APublication Date: 1939-11-14
- Inventor: CRITES WILBUR J
- Applicant: PHILLIPS PETROLEUM CO
- Assignee: ConocoPhillips Co
- Current Assignee: ConocoPhillips Co
- Priority: US12168837 1937-01-21
- Main IPC: E21B37/00
- IPC: E21B37/00
Public/Granted literature
- US08131975B1 Matrix processor initialization systems and methods Public/Granted day:2012-03-06
Information query
