View up-to-date information on Castellum AB patents, including inventor and filing insights.
Patent Trends
Publication Identifier | Document Type | Title | Classification-CPC | Publication Date |
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GB1493890A | Grant | HYDRAULIC FRACTURING PROCESS USING REVERSE FLOW | E21B43/26 | November 30, 1977 |
IL28677A | Application | METHOD FOR FRACTURING SUBTERRANEAN FORMATIONS | January 28, 1971 |
Top Inventors by Filings (Count by publication)
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