For the Inventor, By the Inventor

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Nashville, TN, United States of America

National Recovery Technologies, Inc.

USPTO Granted Patents = 20

Trademarks = 5

Forward Citations = 529

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16 inventors (with patents filed for the assignee):

Edward J Sommer, Jr (19 out of 46 patents)

Charles E Roos (7 out of 30 patents)

Ronald A Quarles (4 out of 4 patents)

4. James R Peatman (4 out of 4 patents)

5. Michael A Kittel (4 out of 4 patents)

6. Robert H Parrish (3 out of 11 patents)

7. John T Rich (2 out of 2 patents)

8. James R Russell (2 out of 2 patents)

9. James A Kearley (2 out of 2 patents)

10. Muhammad A Shafi (1 out of 6 patents)

11. Mary Anne Leugers (1 out of 22 patents)

12. R Lynn Conley (1 out of 8 patents)

13. Terry W Glass (1 out of 12 patents)

14. Robert D Guenard (1 out of 1 patent)

15. Galen L Romine (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 9234838 - Method to improve detection of thin walled polyethylene terephthalate containers for recycling including those containing liquids (2016-01-12),

2. 9227229 - Method to improve detection of thin walled polyethylene terephthalate containers for recycling including those containing liquids (2016-01-05),

3. 8692148 - Method and apparatus for improving performance in container sorting (2014-04-08),

4. RE40394 - Teleoperated robotic sorting system (2008-06-23),

5. 7244941 - Computer assisted bag screening system (2007-07-17),

6. 7012256 - Computer assisted bag screening system (2006-03-14),

7. 6855901 - Process and apparatus for spectroscopic identification and sorting of barrier materials (2005-02-15),

8. 6610981 - Method and apparatus for near-infrared sorting of recycled plastic waste (2003-08-26),

9. 6313423 - Application of Raman spectroscopy to identification and sorting of post-consumer plastics for recycling (2001-11-06),

10. 6124560 - Teleoperated robotic sorting system (2000-09-26),

11. 5738224 - Method and apparatus for the separation of materials using penetrating (1998-04-14),

12. 5638959 - Rotary materials separator (1997-06-17),

13. 5622471 - Method and apparatus for opening and emptying bags containing recyclable (1997-04-22),

14. 5555984 - Automated glass and plastic refuse sorter (1996-09-17),

15. 5518124 - Method and apparatus for the separation of materials using penetrating (1996-05-21),

National Recovery Technologies (NRT) is a leader in the design and manufacture of optical sorting equipment for recycling and solid waste applications. With over 30 years of experience, NRT has provided innovative solutions for material recovery facilities worldwide. Their cutting-edge technology focuses on maximizing recovery rates, reducing operating costs, and enhancing environmental sustainability.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

20 Patents

#31 in Nashville, TN

#158 in Tennessee

#15,885 in US

#30,346 in the World

Nashville, TN, United States of America

National Recovery Technologies, Inc.

Forward Citations = 529

16 inventors:

Edward J Sommer, Jr (19 out of 46 patents)

Charles E Roos (7 out of 30 patents)

Ronald A Quarles (4 out of 4 patents)

4. James R Peatman (4 out of 4 patents)

5. Michael A Kittel (4 out of 4 patents)

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