Inventor · Bedford, PA, US

Donald E. Keller

10Patents
4h-index
16Co-inventors
57Inventor score

Filing activity: Sep 24, 1979 → Feb 12, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6485104B1 Cutting tool assembly with replaceable spray nozzle housing Fixed Constructions 26 Expired
US8061783B2 Bit holder block with non-rotating wear sleeve Fixed Constructions 23 Active
US8523290B2 Rotatable cutting tool-tool holder-base assembly Fixed Constructions 5 Active
US4281879A Stabilizing assembly for a mining machine Fixed Constructions 5 Expired
US8523289B2 Retention assembly for cutting bit Emerging Cross-Sectional Technologies 3 Active
US7883154B2 Cutting tool with water injection to the cutting bit shank Fixed Constructions 3 Active
US7883153B2 Road milling drum having an adjustable width Fixed Constructions 1 Active
US7708087B2 Countersink roof bit drill and method for using the same Fixed Constructions 1 Active
US10030515B2 Tool holder and base mounting assembly Fixed Constructions 0 Active
US9422812B2 Cutting tool mounting assembly with elastomeric coated bushing Fixed Constructions 0 Active

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