Inventor · Oslo, NO

Jan Berger

10Patents
4h-index
14Co-inventors
53Inventor score

Filing activity: Jan 16, 1998 → Jun 14, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
USD521191S1 Helmet liner General 100 Expired
US7676854B2 Helmet, helmet liner and method for manufacturing the same Performing Operations; Transporting 69 Active
USD417754S Protective helmet General 21 Expired
USD471673S1 Protective helmet General 19 Expired
US6877190B2 Strap fastener Emerging Cross-Sectional Technologies 4 Expired
US9551441B2 Multilayer pipe with polyamide layer Performing Operations; Transporting 4 Active
US9556358B2 Coated metallic article Emerging Cross-Sectional Technologies 4 Active
US9429264B2 Wear indicator system for offshore corrosion protection covering systems Emerging Cross-Sectional Technologies 2 Active
US10113671B2 Process for the production of a pipe lined with an inliner Emerging Cross-Sectional Technologies 2 Active
US10288208B2 Wear indicator system for offshore corrosion protection covering systems Emerging Cross-Sectional Technologies 1 Active

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