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For the Inventor, By the Inventor

Bartlesville, OK, United States of America

Francis J Shell

This inventor holds 5 USPTO granted patents. Top assignee: Phillips Petroleum Company. Active years: 1980-1992.

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 5

Forward Citations = 98(Granted Patents)


Company Filing History:

goldMedal5 out of 5,071 
 
Phillips Petroleum Company
 patents

Years Active: 1980-1992

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5 patents (USPTO):Explore Patents
1. 5165477 - Enzymatic decomposition of drilling mud (1992-11-24),
2. 5126051 - Enzymatic decomposition of drilling mud (1992-06-30),
3. 4559149 - Workover fluid (1985-12-17),
4. 4502969 - Workover and completion fluids (1985-03-05),
5. 4221823 - Process for mounting palynological specimens (1980-09-09),
Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
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