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Charles E. Roos — 30 Patents

SPSpectramet: 12 patents #3 of 8Top 40%

NTNational Recovery Technologies: 7 patents #2 of 16Top 15%

MTMineral Separation Technologies: 5 patents #1 of 5Top 20%

MSMagnetic Separation Systems: 2 patents #4 of 10Top 40%

Nashville, TN: #23 of 2,243 inventorsTop 2%

Tennessee: #378 of 20,272 inventorsTop 2%

Overall (All Time): #121,623 of 4,157,543Top 3%

30 Patents All Time

Charles E. Roos has been granted 30 US patents while listed as an inventor at Spectramet. The first was granted in 1985 and the most recent in September 2021. Charles E. Roos ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list Charles E. Roos in Nashville, TN, US.

Patents per Year

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #	Title	Co-Inventors	Date
11123772	Concentrating rare earth elements from coal waste	Edward J. Sommer, Jr., Charles D. Roos, Ricky Q. Honaker, Aaron Noble	2021-09-21
9126236	Methods for sorting materials	Edward J. Sommer, Jr.	2015-09-08
9114433	Multi-fractional coal sorter and method of use thereof	Edward J. Sommer, Jr., Charles D. Roos	2015-08-25
8861675	Method and apparatus for sorting materials according to relative composition	Edward J. Sommer, Jr., David B. Spencer, R. Lynn Conley	2014-10-14
8853584	Methods for sorting materials	Edward J. Sommer, Jr.	2014-10-07
8610019	Methods for sorting materials	Edward J. Sommer, Jr.	2013-12-17
8553838	High speed materials sorting using X-ray fluorescence	Edward J. Sommer, Jr., Robert H. Parrish, David B. Spencer	2013-10-08
8476545	Sorting pieces of material based on photonic emissions resulting from multiple sources of stimuli	Edward J. Sommer, Jr., David B. Spencer, R. Lynn Conley, Richard E. Hill, Robert H. Parrish	2013-07-02
8144831	Method and apparatus for sorting materials according to relative composition	Edward J. Sommer, Jr., David B. Spencer, R. Lynn Conley	2012-03-27
7978814	High speed materials sorting using X-ray fluorescence	Edward J. Sommer, Jr., Robert H. Parrish, David B. Spencer	2011-07-12
7848484	Method and apparatus for sorting materials according to relative composition	Edward J. Sommer, Jr., David B. Spencer, R. Lynn Conley	2010-12-07
7763820	Sorting pieces of material based on photonic emissions resulting from multiple sources of stimuli	Edward J. Sommer, Jr., David B. Spencer, R. Lynn Conley, Richard E. Hill, Robert H. Parrish	2010-07-27
7616733	High speed materials sorting using x-ray fluorescence	Edward J. Sommer, Jr., Robert H. Parrish, David B. Spencer	2009-11-10
7564943	Method and apparatus for sorting materials according to relative composition	Edward J. Sommer, Jr., David B. Spencer, R. Lynn Conley	2009-07-21
7486782	Multifunction data port providing an interface between a digital network and electronics in residential or commercial structures	—	2009-02-03
RE40394	Teleoperated robotic sorting system	Edward J. Sommer, Jr., Robert H. Parrish, James Russell	2008-06-24
7286634	Method and apparatus for improving baggage screening examination	Edward J. Sommer, Jr., Richard E. Hill	2007-10-23
7244941	Computer assisted bag screening system	Edward J. Sommer, Jr.	2007-07-17
7099433	Method and apparatus for sorting materials according to relative composition	Edward J. Sommer, Jr., David B. Spencer	2006-08-29
7012256	Computer assisted bag screening system	Edward J. Sommer, Jr.	2006-03-14
6888917	High speed materials sorting using x-ray fluorescence	Edward J. Sommer, Jr., Robert H. Parrish, David B. Spencer	2005-05-03
6519315	High speed materials sorting using x-ray fluorescence	Edward J. Sommer, Jr., Robert H. Parrish, David B. Spencer	2003-02-11
6266390	High speed materials sorting using x-ray fluorescence	Edward J. Sommer, Jr., Robert H. Parrish, David B. Spencer	2001-07-24
6124560	Teleoperated robotic sorting system	Edward J. Sommer, Jr., Robert H. Parrish, James Russell	2000-09-26
5699276	Utility meter providing an interface between a digital network and home electronics	—	1997-12-16