Inventor · disambiguated record
John M. Sandrik
Also filed as: SANDRIK JOHN · SANDRIK JOHN M · SANDRIK JOHN MICHAEL
9 granted patents·149 citations·filing 1983–2006
89Inventor score
Files withGEN ELECTRIC9
Top patents by PatentIndex Score
9 records- 0181US4513078AFilm-based dual energy radiographyGEN ELECTRIC·Filed 1983·Granted Apr 23, 1985·32 cites·12 claims
- 0273US4603428AFilm-based dual energy radiographyGEN ELECTRIC·Filed 1985·Granted Jul 29, 1986·28 cites·9 claims
- 0371US7286631B2Method and apparatus for tomosynthesis image quality controlGEN ELECTRIC·Filed 2006·Granted Oct 23, 2007·6 cites·29 claims
- 0459US5400387AIndirect measurement of voltage applied to diagnostic x-ray tubesGEN ELECTRIC·Filed 1994·Granted Mar 21, 1995·18 cites·7 claims
- 0558US7176467B2Systems, methods and apparatus for determining deviation of an x-ray field, a light field and a primary receptorGEN ELECTRIC·Filed 2004·Granted Feb 13, 2007·4 cites·88 claims
- 0654US5236363APhantom for simulating an x-ray exam patientGEN ELECTRIC·Filed 1991·Granted Aug 17, 1993·27 cites·11 claims
- 0753US5321272AX-ray beam stopGEN ELECTRIC·Filed 1992·Granted Jun 14, 1994·14 cites·9 claims
- 0848US5530735AOn-line measurement of x-ray tube voltage in a CT systemGEN ELECTRIC·Filed 1994·Granted Jun 25, 1996·11 cites·2 claims
- 0947US4852139AReduction of flicker during video imaging of cine proceduresGEN ELECTRIC·Filed 1985·Granted Jul 25, 1989·9 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →