Inventor · disambiguated record
Paul Bjorkholm
Also filed as: BJORKHOLM PAUL · BJORKHOLM PAUL J
31 granted patents·2,547 citations·filing 1976–2012
98Inventor score
Files withAMERICAN SCIENCE & ENG INC11VARIAN MED SYS TECH INC7BJORKHOLM PAUL4VARIAN MED SYS INC3EG & G ASTROPHYSICS2
Top patents by PatentIndex Score
31 records- 0199US7162005B2Radiation sources and compact radiation scanning systemsVARIAN MED SYS TECH INC·Filed 2002·Granted Jan 9, 2007·179 cites·106 claims
- 0298US7636417B2Dual energy radiation scanning of contents of an objectVARIAN MED SYS INC·Filed 2007·Granted Dec 22, 2009·48 cites·62 claims
- 0398US7423273B2Object examination by delayed neutronsVARIAN MED SYS TECH INC·Filed 2005·Granted Sep 9, 2008·44 cites·33 claims
- 0498US7397891B2Vehicle mounted inspection systems and methodsVARIAN MED SYS TECH INC·Filed 2005·Granted Jul 8, 2008·69 cites·48 claims
- 0598US7274767B2Rotating carriage assembly for use in scanning cargo conveyances transported by a craneVARIAN MED SYS TECH INC·Filed 2005·Granted Sep 25, 2007·55 cites·21 claims
- 0698US7257188B2Dual energy radiation scanning of contents of an objectVARIAN MED SYS TECH INC·Filed 2005·Granted Aug 14, 2007·67 cites·53 claims
- 0798US6937692B2Vehicle mounted inspection systems and methodsVARIAN MED SYS TECH INC·Filed 2003·Granted Aug 30, 2005·131 cites·41 claims
- 0898US5313511AX-ray imaging particularly adapted for low Z materialsAMERICAN SCIENCE & ENG INC·Filed 1991·Granted May 17, 1994·321 cites·8 claims
- 0998US4511799ADual energy imagingAMERICAN SCIENCE & ENG INC·Filed 1982·Granted Apr 16, 1985·166 cites·8 claims
- 1097US4799247AX-ray imaging particularly adapted for low Z materialsAMERICAN SCIENCE & ENG INC·Filed 1986·Granted Jan 17, 1989·177 cites·8 claims
- 1196US8263938B2Dual energy radiation scanning of objectsBJORKHOLM PAUL·Filed 2005·Granted Sep 11, 2012·39 cites·31 claims
- 1295US6301326B2Sheet detection systemPERKINELMER DETECTION SYSTEMS·Filed 1998·Granted Oct 9, 2001·207 cites·18 claims
- 1395US4342914AFlying spot scanner having arbitrarily shaped field sizeAMERICAN SCIENCE & ENG INC·Filed 1980·Granted Aug 3, 1982·105 cites·16 claims
- 1494US7783003B2Rotating carriage assembly for use in scanning cargo conveyances transported by a craneVARIAN MED SYS INC·Filed 2007·Granted Aug 24, 2010·40 cites·41 claims
- 1594US4839913AShadowgraph imaging using scatter and fluorescenceAMERICAN SCIENCE & ENG INC·Filed 1987·Granted Jun 13, 1989·107 cites·43 claims
- 1693US5442672AThree-dimensional reconstruction based on a limited number of X-ray projectionsFiled 1993·Granted Aug 15, 1995·161 cites·16 claims
- 1791US7317782B2Radiation scanning of cargo conveyances at seaports and the likeVARIAN MED SYS TECH INC·Filed 2003·Granted Jan 8, 2008·37 cites·72 claims
- 1891US4303860AHigh resolution radiation detectorAMERICAN SCIENCE & ENG INC·Filed 1979·Granted Dec 1, 1981·38 cites·12 claims
- 1989US4768214AImagingAMERICAN SCIENCE & ENG INC·Filed 1986·Granted Aug 30, 1988·73 cites·19 claims
- 2088US6954515B2Radiation sources and radiation scanning systems with improved uniformity of radiation intensityVARIAN MED SYS INC·Filed 2003·Granted Oct 11, 2005·62 cites·68 claims
- 2188US6069936AMaterial discrimination using single-energy x-ray imaging systemEG & G ASTROPHYSICS·Filed 1997·Granted May 30, 2000·90 cites·20 claims
- 2286US5917880AX-ray inspection apparatusEG & G ASTROPHYSICS·Filed 1997·Granted Jun 29, 1999·79 cites·10 claims
- 2385US8137976B2Dual angle radiation scanning of objectsBJORKHOLM PAUL·Filed 2006·Granted Mar 20, 2012·9 cites·36 claims
- 2484US8551785B2Dual angle radiation scanning of objectsBJORKHOLM PAUL·Filed 2012·Granted Oct 8, 2013·4 cites·31 claims
- 2584US8290120B2Dual energy radiation scanning of contents of an object based on contents typeBJORKHOLM PAUL·Filed 2009·Granted Oct 16, 2012·8 cites·33 claims
- 2684US6272206B1Rotatable cylinder dual beam modulatorPERKINELMER DETECTION SYSTEMS·Filed 1999·Granted Aug 7, 2001·54 cites·9 claims
- 2783US8184769B2Method and apparatus to facilitate using multiple radiation-detection views to differentiate one material from anotherFOX TIMOTHY R·Filed 2009·Granted May 22, 2012·10 cites·16 claims
- 2883US4819256ARadiographic sensitivity for detection of flaws and cracksAMERICAN SCIENCE & ENG INC·Filed 1987·Granted Apr 4, 1989·48 cites·8 claims
- 2974US4112301AMoving particles suspended in a carrier fluid through a flow channel having an input end under gas pressureAMERICAN SCIENCE & ENG INC·Filed 1976·Granted Sep 5, 1978·28 cites·11 claims
- 3067US4807637ADiaphanography method and apparatusAMERICAN SCIENCE & ENG INC·Filed 1986·Granted Feb 28, 1989·83 cites·31 claims
- 3150US4482957AUse of a square root amplifier for statistics limited dataAMERICAN SCIENCE & ENG INC·Filed 1981·Granted Nov 13, 1984·8 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →