Kiefer, Oklahoma
United States
7
2012-01-12
The entities that hold a legal rights for patent applications filed by inventor Freeman Eric N.:
Eric N. Freeman from Kiefer, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Progressive dewatering and inhibitor dispersal rolling pig
#2 | 2011-06-16Bidirectional bristle pig with sliding collar
#3 | 2011-05-26Method and System for an Injectable Foam Pig
#4 | 2010-11-25System and method for detecting the passage of an object in pipeline including shielded magnetometer and a microcontroller with adaptive thresholding detection means
#5 | 2010-07-08Pipeline pig launch pin and retraction system
#6 | 2010-03-25Two-piece closure device
#7 | 2010-01-07Speed regulated pipeline pig
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