Inventor · Porvoo, FI

John Jamieson

16Patents
3h-index
34Co-inventors
60Inventor score

Filing activity: Jun 16, 1980 → Jul 31, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US4633232A Alarm device Physics 58 Expired
US4524875A Derrick crane Mechanical Engineering; Lighting; Heating 16 Expired
US4365573A Steering gear for ships Performing Operations; Transporting 4 Expired
US8399049B2 Process for preparing and crosslinking a cable comprising a polymer composition and a crosslinked cable Chemistry; Metallurgy 2 Active
US11572461B2 Multimodal copolymer of ethylene and at least two alpha-olefin comonomers and final articles made thereof Chemistry; Metallurgy 1 Active
US10619036B2 Multimodal polyethylene copolymer Chemistry; Metallurgy 1 Active
US6139379A Jet propelled watercraft and a simplified low cost drive therefor Performing Operations; Transporting 1 Expired
US10494465B2 Film layer Chemistry; Metallurgy 1 Active
US10385194B2 Polyethylene composition for a film layer Chemistry; Metallurgy 1 Active
US10000592B2 Multistage process for producing polyethylene compositions Chemistry; Metallurgy 1 Active
US11021658B2 Method and feedstock for producing hydrocarbons Emerging Cross-Sectional Technologies 0 Active
US12012504B2 Process for the preparation of multimodal high density polyethylene Chemistry; Metallurgy 0 Active
US12202964B2 Polymer composition Chemistry; Metallurgy 0 Active
US10844288B2 Method and feedstock for producing hydrocarbons Emerging Cross-Sectional Technologies 0 Active
US10584196B2 Process for producing LLDPE resins Chemistry; Metallurgy 0 Active
US12281189B2 Process for producing a polymer composition Chemistry; Metallurgy 0 Active

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