Inventor · Bemidji, MN, US

Roger LaValley

11Patents
7h-index
12Co-inventors
63Inventor score

Filing activity: Apr 27, 1976 → Dec 11, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US8146971B2 Grapple attachment for use with drill pipes Emerging Cross-Sectional Technologies 21 Active
USD645062S1 Gripping arm General 19 Expired
US4551782A Method and apparatus for degaussing magnetic storage media Physics 19 Expired
US8490519B2 Attachment for making up or breaking out pipe Emerging Cross-Sectional Technologies 15 Active
US8567836B2 Gripping assembly and gripping members for a grapple attachment Fixed Constructions 13 Active
US8348319B2 Grapple attachment for use with drill pipes Emerging Cross-Sectional Technologies 7 Active
US4117450A Device for automatic signalling of an automotive vehicle damaged by collision Physics 7 Expired
US9493996B2 Attachment for making up or breaking out pipe Emerging Cross-Sectional Technologies 5 Active
US10184304B2 Attachment for making up or breaking out pipe Emerging Cross-Sectional Technologies 3 Active
US9085944B2 Gripping assembly and gripping members for a grapple attachment Fixed Constructions 2 Active
US11480019B2 Attachment for making up or breaking out pipe Emerging Cross-Sectional Technologies 1 Active

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