Inventor · Houston, TX, US

John E. Ortloff

14Patents
11h-index
12Co-inventors
65Inventor score

Filing activity: Aug 18, 1975 → Dec 5, 1986

Most-cited inventions

PatentTitleAreaCited byStatus
US4604961A Vessel mooring system Performing Operations; Transporting 88 Expired
US4398487A Fairing for elongated elements Emerging Cross-Sectional Technologies 75 Expired
US4225160A Low friction remotely operable clamp type pipe connector Mechanical Engineering; Lighting; Heating 50 Expired
US4126336A Multiline swivel Mechanical Engineering; Lighting; Heating 26 Expired
US4402533A Clamping mechanism for connecting members in end-to-end relation Emerging Cross-Sectional Technologies 25 Expired
US4031919A Articulated riser Emerging Cross-Sectional Technologies 24 Expired
US4529334A Production riser assembly Fixed Constructions 22 Expired
US4602586A Motion decoupling mechanism for fluid swivel stack Performing Operations; Transporting 19 Expired
US4532879A Combination mooring system Performing Operations; Transporting 13 Expired
US4493282A Combination mooring system Performing Operations; Transporting 12 Expired
US4391298A Multiline piggable fluid swivel Emerging Cross-Sectional Technologies 11 Expired
US4311327A Universal joint for multiple flowline system Emerging Cross-Sectional Technologies 10 Expired
US4677930A Apparatus for quick-release of a storage vessel from a riser Emerging Cross-Sectional Technologies 9 Expired
US4362325A Limited angle piggable swivel Mechanical Engineering; Lighting; Heating 2 Expired

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