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For the Inventor, By the Inventor

North Aurora, IL, United States of America

Fredric W Prill

USPTO Granted Patents = 6 

Average Co-Inventor Count = 1.7

ph-index = 4

Forward Citations = 90(Granted Patents)


Company Filing History:

goldMedal3 out of 23 
 
Barber-greene Company
 patents
silverMedal1 out of 3 
 
Asphalt Product Technologies
 patents
bronzeMedal1 out of 4 
 
Dillman Equipment, Inc.
 patents
4. 1 out of 3 
 
Ai Enterprises, Inc.
 patents

Years Active: 1982-2009

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6 patents (USPTO):Explore Patents
1. 7625113 - Adjustable inlet for recycle asphalt pavement (2009-12-01),
2. 6890365 - Reverse-flow baghouse (2005-05-10),
3. 5294197 - Asphalt manufacturing assembly (1994-03-15),
4. 5054931 - Counterflow asphalt drum mixer producing less hydrocarbon emissions and (1991-10-08),
5. 4839571 - Safety back-up for metering pump control (1989-06-13),
6. 4309168 - System for combining multiple fuels to produce controllable gas (1982-01-05),
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