Inventor · Hopkinton, MA, US

Dawn E. Smith

33Patents
12h-index
24Co-inventors
81Inventor score

Filing activity: Apr 15, 1994 → Feb 18, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7517146B2 Color-retaining excess-temperature exposure indicator Physics 53 Active
US8128872B2 Freeze indicators, components therefor and preparative processes Emerging Cross-Sectional Technologies 48 Active
US7490575B2 Combination freeze indicators Physics 47 Active
US5464932A Photocrosslinkable polyphosphazenes and their use as microencapsulation materials Human Necessities 26 Expired
US7891310B2 Freeze indicators, flexible freeze indicators, combination indicators and manufacturing methods Emerging Cross-Sectional Technologies 25 Active
US7343872B2 Freeze indicators suitable for mass production Emerging Cross-Sectional Technologies 24 Active
US8671871B2 Temperature-activated time-temperature indicator Physics 24 Active
US8122844B2 Freeze indicators with a controlled temperature response Physics 23 Active
US7571695B2 Freeze indicators, flexible freeze indicators and manufacturing methods Emerging Cross-Sectional Technologies 19 Active
US8430053B2 Color-changing emulsions for freeze indicators Physics 17 Active
US7019171B1 Particle size control for acetylenic agents useful in condition monitoring systems Chemistry; Metallurgy 15 Expired
US9546911B2 Time-temperature indicator comprising a side chain crystalline polymer Physics 13 Active
US8067483B2 Adjuvant-mediated reactivity enhancement of polymerizable diacetylenic materials Emerging Cross-Sectional Technologies 12 Active
US7161023B2 Morphology control of substituted diacetylenic monomers for shelf life monitoring systems Emerging Cross-Sectional Technologies 11 Expired
US7624698B2 Freeze indicators suitable for mass production Emerging Cross-Sectional Technologies 9 Active
US10514340B2 Dual-function heat indicator and method of manufacture Physics 8 Active
US10408686B2 Gel-based temperature indicators Human Necessities 6 Active
US10048138B2 Freeze indicator employing light scattering and method of making same Physics 5 Active
US9534964B2 Three-phase emulsions used in a temperature condition indicator Physics 5 Active
US10545125B2 Dual-function heat indicator and method of manufacture Physics 4 Active
US10031086B2 Dual function heat indicator and method of manufacture Physics 3 Active
US8529682B2 Process for preparing an indicator composition and indicator compositions Emerging Cross-Sectional Technologies 2 Active
US8269042B2 Crystallized diacetylenic indicator compounds and methods of preparing the compounds Physics 2 Active
US9297706B2 Freeze indicator employing light scattering and method of making same Physics 2 Active
US11131656B2 Dual-function heat indicator and method of manufacture Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.