Inventor · Hartwell, GB

Chris Rolph

18Patents
7h-index
9Co-inventors
55Inventor score

Filing activity: Jul 21, 1992 → Apr 20, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US5365794A Mass flow meter Physics 32 Expired
US6397685B1 Mass flowmeter Physics 28 Expired
US5476013A Mass flow meter Physics 22 Expired
US6519828B1 Method for mounting a metal body on the measuring tube of a coriolis mass flowmeter Emerging Cross-Sectional Technologies 17 Expired
US7971494B2 Coriolis mass flowmeter having a reinforcing bridge between two end connection plates Physics 11 Active
US5291792A Mass flow meter Physics 8 Expired
US6598281B2 Method for mounting a metal body on the measuring tube of a Coriolis mass flowmeter Emerging Cross-Sectional Technologies 7 Expired
US6948379B2 Mass flowmeter Physics 7 Expired
US6070474A Mass flow meter Physics 6 Expired
US6474175B2 Coriolis mass flowmeter with a ceramic measuring tube Physics 6 Expired
US7275449B2 Mass flow meter composed of two measuring tubes with a connecting device between them Physics 5 Expired
US7073396B2 Coriolis mass flowmeter Physics 3 Expired
US7337676B2 Device for measuring the mass rate of flow Physics 2 Active
US6158290A Mass flow meter Physics 2 Expired
US8272275B2 Coriolis mass flowmeter with a magnet assembly having a non-magnetizable magnet holder Physics 1 Active
US8601884B2 Coriolis mass flowmeter having a pair of oscillation node plates fixably mounted to measuring tubes Physics 1 Active
US7540203B2 Device for measuring the mass rate of flow having two measuring tubes joined by a stiffened connector Physics 0 Active
US6463809B2 Mass flow meter Physics 0 Expired

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