Inventor · Raleigh, NC, US

Robert A. Erickson

70Patents
18h-index
32Co-inventors
84Inventor score

Filing activity: Sep 28, 1978 → Feb 1, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US6506003B1 Cutting tool Emerging Cross-Sectional Technologies 50 Expired
US5921724A Insert and toolholder for machining operations Emerging Cross-Sectional Technologies 36 Expired
US4747735A Toolholder and method of releasably mounting Emerging Cross-Sectional Technologies 35 Expired
US5829924A Cutting tool with insert clamping mechanism Emerging Cross-Sectional Technologies 34 Expired
US5173017A Apparatus to adapt a toolholder for mounting to a base member Emerging Cross-Sectional Technologies 33 Expired
US7360974B2 Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert Emerging Cross-Sectional Technologies 32 Expired
US4932295A Automatic clamping unit for receiving and holding a tool holder Emerging Cross-Sectional Technologies 32 Expired
US4708040A Lock rod and apparatus for holding a toolholder Emerging Cross-Sectional Technologies 32 Expired
US4736659A Apparatus for holding a toolholder shank Emerging Cross-Sectional Technologies 30 Expired
US5415066A Apparatus for holding a toolholder shank Emerging Cross-Sectional Technologies 25 Expired
US6000885A Cutting insert suitable for mounting in different toolholder pockets and associated toolholder assembly Emerging Cross-Sectional Technologies 25 Expired
US4723877A Toolholder Emerging Cross-Sectional Technologies 25 Expired
US5482417A Cam and wedge-type self-locking mechanism Emerging Cross-Sectional Technologies 24 Expired
US5452631A Apparatus for holding a toolholder shank utilizing a rotatable cam to minimize kickback Emerging Cross-Sectional Technologies 23 Expired
US4202650A Shim lock toolholder Emerging Cross-Sectional Technologies 23 Expired
US4726268A Clamping apparatus for holding a toolholder shank Emerging Cross-Sectional Technologies 23 Expired
US4603751A Mechanically fastened center vacuum roof drill bit Fixed Constructions 21 Expired
US4575287A Milling cutter and method of assembling therefor Emerging Cross-Sectional Technologies 20 Expired
US5245896A Quick-change tool holder with center height adjustment mechanism Emerging Cross-Sectional Technologies 18 Expired
US4397592A Insert holder and method of holding Emerging Cross-Sectional Technologies 17 Expired
US7832967B2 Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert Emerging Cross-Sectional Technologies 17 Active
US4398853A Insert holder and method of holding Emerging Cross-Sectional Technologies 17 Expired
US4836068A Lock rod and apparatus for holding a toolholder Emerging Cross-Sectional Technologies 16 Expired
US4244666A Pin lock tool holder Emerging Cross-Sectional Technologies 15 Expired
US5870935A Self-locking clamping apparatus for coupling a tool unit to a tool supporter Emerging Cross-Sectional Technologies 15 Expired

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