Patent assignee · US · COMPANY

Ramsey Engineering

12Patents
0Active
12Granted
31Portfolio score

Filing activity: Aug 4, 1977 → Oct 7, 1987

Most-cited patents

PatentTitleAreaCited byStatus
US4279167A Liquid coupling for doppler sonic flowmeter Physics 20 Expired
US4738135A Method and apparatus for in situ assemblage of a strain sensor in erected structural elements Physics 16 Expired
US4429409A Portable apparatus for analyzing metals by X-ray fluorescence Physics 13 Expired
US4396911A Multi-point level indicator system Physics 12 Expired
US4238956A Radiation attenuation weighing system for a vertical material feeder Physics 10 Expired
US4590579A Apparatus and method for digital specific gravity measurement Physics 7 Expired
US4686694A Probe for an apparatus for analyzing metals by X-ray fluorescence Physics 7 Expired
US4813820A Method and apparatus for in situ assemblage of a strain sensor in erected structural elements Emerging Cross-Sectional Technologies 6 Expired
US4410886A Wall build-up detector for a multi-point level indicator Physics 6 Expired
US4295378A Method and apparatus for flow measurement using Doppler frequency shift Physics 2 Expired
US4476460A Self-test circuit for multi-point level indicator Physics 1 Expired
US4140908A Digital point level switch method and apparatus Physics 0 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.