Inventor
SPENCER DAVID B
US17 patents
⚠️ This page may combine multiple inventors who share the name “SPENCER DAVID B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SPECTRAMET LLC
9 patentsUS7763820B1Jul 27, 2010
Sorting pieces of material based on photonic emissions resulting from multiple sources of stimuli
SPECTRAMET LLC123 citations98
US6266390B1Jul 24, 2001
High speed materials sorting using x-ray fluorescence
SPECTRAMET LLC164 citations98
US7848484B2Dec 7, 2010
Method and apparatus for sorting materials according to relative composition
SPECTRAMET LLC48 citations97
US7564943B2Jul 21, 2009
Method and apparatus for sorting materials according to relative composition
SPECTRAMET LLC86 citations97
US7099433B2Aug 29, 2006
Method and apparatus for sorting materials according to relative composition
SPECTRAMET LLC65 citations97
US6888917B2May 3, 2005
High speed materials sorting using x-ray fluorescence
SPECTRAMET LLC69 citations97
US6519315B2Feb 11, 2003
High speed materials sorting using x-ray fluorescence
SPECTRAMET LLC78 citations97
US7978814B2Jul 12, 2011
High speed materials sorting using X-ray fluorescence
SPECTRAMET LLC30 citations95
US7616733B2Nov 10, 2009
High speed materials sorting using x-ray fluorescence
SPECTRAMET LLC31 citations95