Inventor · Derby, GB

Joseph Douglas

12Patents
7h-index
7Co-inventors
59Inventor score

Filing activity: Nov 13, 1979 → Mar 23, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US4943415A Grooved cover for test elements Physics 75 Expired
US4582426A Optical radiation pyrometer Physics 27 Expired
US5226578A Method of manufacturing an article, a method of diffusion bonding and a vacuum chamber Performing Operations; Transporting 22 Expired
US4983841A Non-invasive inspection Physics 19 Expired
US5263638A Method of manufacturing an article by superplastic forming and diffusion bonding and a vacuum chamber for use in processing workpieces for superplastic forming and diffusion bonding Performing Operations; Transporting 12 Expired
US4568183A Detection of changes in transparency of optical elements Physics 12 Expired
US7361509B2 Dynamic metered fluid volume determination method and related apparatus Emerging Cross-Sectional Technologies 9 Expired
US5484977A Method of manufacturing an article by superplastic forming and diffusion bonding and vacuum chamber for use in processing workpieces for superplastic forming and diffusion bonding Performing Operations; Transporting 7 Expired
US5273202A Method of manufacturing an article, a method of diffusion bonding and a vacuum chamber Performing Operations; Transporting 5 Expired
US4799190A Data selection circuits, systems and methods Physics 4 Expired
US4240706A Optical probe Physics 1 Expired
US8216650B2 Protective and decorative ornament for a vehicle Emerging Cross-Sectional Technologies 1 Active

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