Inventor · Durham, NC, US

Frank E. Martin

35Patents
17h-index
32Co-inventors
81Inventor score

Filing activity: Jul 30, 1975 → Apr 5, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6808506B2 Device and method for delivering or withdrawing a substance through the skin Human Necessities 196 Expired
US7083592B2 Device and method for delivering withdrawing a substance through the skin Human Necessities 134 Expired
US6607513B1 Device for withdrawing or administering a substance and method of manufacturing a device Performing Operations; Transporting 126 Expired
US7556615B2 Microneedle-based pen device for drug delivery and method for using same Human Necessities 117 Expired
US7316671B2 Microprotrusion arrays and methods for using same to deliver substances into tissue Human Necessities 100 Expired
US7422567B2 Microabrader with controlled abrasion features Human Necessities 55 Expired
US7166086B2 Substance delivery via a rotating microabrading surface Human Necessities 52 Expired
US7842008B2 Intradermal delivery device Human Necessities 45 Active
US4767183A High strength, heavy walled cable construction Emerging Cross-Sectional Technologies 44 Expired
US5961911A Process for manufacture of closure assembly Performing Operations; Transporting 41 Expired
US4553815A Optical fiber cable construction Performing Operations; Transporting 37 Expired
US7186235B2 Device for manipulating a needle or abrader array and method of use Human Necessities 33 Expired
US8075826B2 Microprotrusion arrays and methods for using same to deliver substances into tissue Human Necessities 28 Active
US4164218A Personal escape breathing apparatus Performing Operations; Transporting 23 Expired
US4231359A Personal emergency breathing hood with nose blocking device Human Necessities 22 Expired
US8172815B2 Device for withdrawing or administrating a substance and method of a device Performing Operations; Transporting 22 Active
US8900186B2 Microneedle-based pen device for drug delivery and method for using same Human Necessities 17 Active
US4016876A Breathing apparatus Human Necessities 12 Expired
US11116900B2 Continuous glucose monitoring injection device Human Necessities 12 Active
US8556848B2 Valve for mixing of substances Human Necessities 9 Active
US10252002B2 Continuous glucose monitoring injection device Human Necessities 7 Active
US9278193B2 Systems and methods for providing a convection-enhanced delivery device Human Necessities 6 Active
US4115069A Sequential ignition system for oxygen generation elements Chemistry; Metallurgy 5 Expired
US8419684B2 Intradermal delivery device Human Necessities 5 Active
US7076987B2 Method of producing tapered or pointed cannula Emerging Cross-Sectional Technologies 4 Expired

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