Inventor · Conover, NC, US

David A. Keller

71Patents
21h-index
97Co-inventors
91Inventor score

Filing activity: Jan 3, 1978 → Aug 30, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6178278A Indoor/outdoor dry optical fiber cable Physics 99 Expired
US6347172B1 Cable having side-emitting fiber under transparent or translucent cable jacket Emerging Cross-Sectional Technologies 80 Expired
US5668912A Rectangular optical fiber cable Electricity 68 Expired
US5621842A Optical fiber cable and device for manufacturing a cable of this kind Physics 59 Expired
US4168730A Apparatus and methods for forming dovetail joints Performing Operations; Transporting 56 Expired
US6169834A Slotted composite cable having a cable housing with a tubular opening for copper pairs and a slot for an optical fiber Physics 48 Expired
US6141622A Seismic semblance/discontinuity method Physics 47 Expired
US6253012A Cycled fiber lock for cross-functional totally dry optical fiber loose tube cable Physics 46 Expired
US6167180A Cable having at least one layer of flexible strength members with adhesive and non-adhesive yarns for coupling an outer protective jacket and a buffer tube containing optical fibers Physics 43 Expired
US8204348B2 Composite, optical fiber, power and signal tactical cable Physics 42 Active
USD870291S1 Wearable medical monitoring device General 32 Active
US5384880A Dielectric ribbon optical fiber cable Physics 32 Expired
US8494327B2 Expanded four fiber unit cable for increased fiber count cables having increased flexibility and fiber strength utilization Physics 29 Active
US7570854B2 Flat wide water swellable binder for optical fiber tubes Physics 29 Active
US8467645B2 Fiber optic arrangement using flat wide water swellable binder for subunit access Physics 27 Active
US5649043A Optical fiber cable having truncated triangular profile tubes Physics 24 Expired
US5139062A Structure and method for cutting pins in a dovetail joint Emerging Cross-Sectional Technologies 24 Expired
US5199477A Apparatus and method for forming dovetail joints Emerging Cross-Sectional Technologies 24 Expired
US5143132A System for making dovetail joints including acute and obtuse angle dovetails and box joints Performing Operations; Transporting 23 Expired
USD888252S1 Transcutaneous analyte sensor applicator General 22 Active
US10863944B2 Transcutaneous analyte sensors, applicators therefor, and associated methods Human Necessities 21 Active
US8306377B2 Loose tube optical fiber cable design and method for making the same Physics 16 Active
USD926326S1 Transcutaneous analyte sensor applicator General 15 Active
US5763003A Method of covering a ribbon of optical fibers with a resin, and apparatus for implementing such a method Physics 15 Expired
US10905377B2 Transcutaneous analyte sensors, applicators therefor, and associated methods Human Necessities 14 Active

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