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For the Inventor, By the Inventor

Coraopolis, PA, United States of America

Douglas P Logan

This inventor holds 3 USPTO granted patents. Top assignee: Calgon Corporation. Active years: 1977-1987.

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 2

Forward Citations = 45(Granted Patents)


Company Filing History:

goldMedal3 out of 312 
 
Calgon Corporation
 patents

Years Active: 1977-1987

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3 patents (USPTO):Explore Patents
1. 4634532 - Orthophosphate-containing desalination scale inhibitors (1987-01-06),
2. 4512774 - Residual fuel oil conditioners containing metal salts in aqueous solution (1985-04-23),
3. 4026667 - Sulfide detection device (1977-05-31),
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