Inventor · Lennep, DE

Hans Stark

7Patents
4h-index
14Co-inventors
54Inventor score

Filing activity: Apr 24, 1980 → Jan 7, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US4475749A Flange coupling Emerging Cross-Sectional Technologies 10 Expired
US4726801A Belt or chain tension tensioner Mechanical Engineering; Lighting; Heating 6 Expired
US4324570A Apparatus for de-dusting gases Performing Operations; Transporting 5 Expired
US6235183A Electrolytic method for the production of sodium and aluminum chloride Chemistry; Metallurgy 4 Expired
US6402910B1 Electrolytic cell Chemistry; Metallurgy 3 Expired
US4769227A Preparation of anhydrous aluminum chloride Chemistry; Metallurgy 0 Expired
US7838510B2 Biomaterials based on hyaluronic acid for the anti-angiogenic therapy in the treatment of tumors Human Necessities 0 Expired

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