Inventor · disambiguated record
David B. Spencer
Also filed as: SPENCER DAVID · SPENCER DAVID B
23 granted patents·10 pending applications·1,170 citations·filing 1973–2025
97Inventor score
Files withSPECTRAMET LLC11PRYTIME MEDICAL DEVICES INC9MASSACHUSETTS INST TECHNOLOGY2SOMMER EDWARD J2SOMMER JR EDWARD J2
Top patents by PatentIndex Score
33 records- 0198US7763820B1Sorting pieces of material based on photonic emissions resulting from multiple sources of stimuliSPECTRAMET LLC·Filed 2007·Granted Jul 27, 2010·123 cites·6 claims
- 0298US7564943B2Method and apparatus for sorting materials according to relative compositionSPECTRAMET LLC·Filed 2006·Granted Jul 21, 2009·86 cites·11 claims
- 0397US8553838B2High speed materials sorting using X-ray fluorescenceSOMMER EDWARD J·Filed 2011·Granted Oct 8, 2013·39 cites·25 claims
- 0497US8144831B2Method and apparatus for sorting materials according to relative compositionSOMMER JR EDWARD J·Filed 2010·Granted Mar 27, 2012·47 cites·4 claims
- 0597US7978814B2High speed materials sorting using X-ray fluorescenceSPECTRAMET LLC·Filed 2009·Granted Jul 12, 2011·30 cites·18 claims
- 0697US7848484B2Method and apparatus for sorting materials according to relative compositionSPECTRAMET LLC·Filed 2009·Granted Dec 7, 2010·48 cites·4 claims
- 0797US7616733B2High speed materials sorting using x-ray fluorescenceSPECTRAMET LLC·Filed 2008·Granted Nov 10, 2009·31 cites·20 claims
- 0897US7099433B2Method and apparatus for sorting materials according to relative compositionSPECTRAMET LLC·Filed 2005·Granted Aug 29, 2006·65 cites·57 claims
- 0997US6888917B2High speed materials sorting using x-ray fluorescenceSPECTRAMET LLC·Filed 2003·Granted May 3, 2005·69 cites·126 claims
- 1097US6519315B2High speed materials sorting using x-ray fluorescenceSPECTRAMET LLC·Filed 2001·Granted Feb 11, 2003·78 cites·91 claims
- 1197US6266390B1High speed materials sorting using x-ray fluorescenceSPECTRAMET LLC·Filed 1999·Granted Jul 24, 2001·164 cites·82 claims
- 1296US3954455ALiquid-solid alloy compositionMASSACHUSETTS INST TECHNOLOGY·Filed 1974·Granted May 4, 1976·69 cites·21 claims
- 1396US3948650AComposition and methods for preparing liquid-solid alloys for casting and casting methods employing the liquid-solid alloysMASSACHUSETTS INST TECHNOLOGY·Filed 1973·Granted Apr 6, 1976·118 cites·33 claims
- 1495US8476545B2Sorting pieces of material based on photonic emissions resulting from multiple sources of stimuliSOMMER EDWARD J·Filed 2010·Granted Jul 2, 2013·38 cites·75 claims
- 1594US11857737B2System and method for low-profile occlusion balloon catheterPRYTIME MEDICAL DEVICES INC·Filed 2021·Granted Jan 2, 2024·4 cites·10 claims
- 1694US8855809B2Material sorting technologySPENCER DAVID B·Filed 2012·Granted Oct 7, 2014·75 cites·97 claims
- 1793US10368872B2System and method for low profile occlusion balloon catheterPRYTIME MEDICAL DEVICES INC·Filed 2017·Granted Aug 6, 2019·29 cites·25 claims
- 1890US11253264B2System and method for low profile occlusion balloon catheterPRYTIME MEDICAL DEVICES INC·Filed 2019·Granted Feb 22, 2022·9 cites·20 claims
- 1990US10149962B2System and method for low-profile occlusion balloon catheterPRYTIME MEDICAL DEVICES INC·Filed 2016·Granted Dec 11, 2018·11 cites·8 claims
- 2089US9956609B1Metal sorting, melting and fabrication apparatus and methodsMELT COGNITION LLC·Filed 2015·Granted May 1, 2018·30 cites·22 claims
- 2185US11672951B2System and method for low-profile occlusion balloon catheterPRYTIME MEDICAL DEVICES INC·Filed 2018·Granted Jun 13, 2023·4 cites·11 claims
- 2283US8861675B2Method and apparatus for sorting materials according to relative compositionSOMMER JR EDWARD J·Filed 2012·Granted Oct 14, 2014·3 cites·5 claims
- 2378US2024173032A1Occlusion catheter system for partial occlusion or full occlusionPRYTIME MEDICAL DEVICES INC·Filed 2024·Application pending·0 cites
- 2477USD1066673SVascular occlusion balloonPRYTIME MEDICAL DEVICES INC·Filed 2022·Granted Mar 11, 2025·0 cites·1 claims
- 2574US2025170365A1Occlusion catheter system for partial occlusion or full occlusionPRYTIME MEDICAL DEVICES INC·Filed 2025·Application pending·0 cites
- 2670US2022323083A1System and method for low profile occlusion balloon catheterPRYTIME MEDICAL DEVICES INC·Filed 2022·Application pending·0 cites
- 2764US2024424168A1System and method for preparing auto graft collagen fiber sheetsMEDOS INT SARL·Filed 2023·Application pending·0 cites
- 2856US2005078786A1High speed materials sorting using x-ray fluorescenceFiled 2004·Application pending·0 cites
- 2955US2006013360A1High speed materials sorting using X-Ray fluorescenceSOMMER EDWARD J JR·Filed 2005·Application pending·0 cites
- 3053US2006239401A1High speed materials sorting using x-ray fluorescenceSPECTRAMET LLC·Filed 2006·Application pending·0 cites
- 3153US2013264249A1Sorting pieces of material based on photonic emissions resulting from multiple sources of stimuliSPECTRAMET LLC·Filed 2013·Application pending·0 cites
- 3250US2010152770A1Truncal Tourniquet System & MethodSPENCER DAVID·Filed 2009·Application pending·0 cites
- 3339US2011201905A1Decision support method for casualty treatment using vital sign combinationsSPENCER DAVID·Filed 2011·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →