Inventor · Mound, MN, US

Bryce V. Johnson

15Patents
8h-index
11Co-inventors
69Inventor score

Filing activity: May 14, 1982 → Sep 19, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US4581342A Supported olefin polymerization catalyst Chemistry; Metallurgy 83 Expired
US4657882A Supported olefin polymerization catalyst produced from a magnesium alkyl/organophosphoryl complex Chemistry; Metallurgy 80 Expired
US4866022A Olefin polymerization catalyst Chemistry; Metallurgy 77 Expired
US4855360A Extrudable thermoplastic hydrocarbon polymer composition Chemistry; Metallurgy 61 Expired
US4988656A Olefin polymerization catalyst Emerging Cross-Sectional Technologies 37 Expired
US4863983A Extrudable thermoplastic hydrocarbon polymer composition Chemistry; Metallurgy 36 Expired
US5013702A Olefin polymerization catalyst Chemistry; Metallurgy 36 Expired
US4983677A Extrudable thermoplastic hydrocarbon polymer composition Chemistry; Metallurgy 23 Expired
US4431572A Retreating comminuted olefin polymerization catalyst with a titanium (IV) compound, a chlorocarbon and an ester Chemistry; Metallurgy 7 Expired
US4567155A Olefin polymerization catalyst system producing polymer with low active chloride Chemistry; Metallurgy 6 Expired
US4431570A Retreating comminuted olefin polymerization catalyst with a titanium (IV) compound and an ester Chemistry; Metallurgy 5 Expired
US4526882A Mixed ester retreated propylene polymerization catalyst Emerging Cross-Sectional Technologies 3 Expired
USD991427S1 Fragrance dispenser General 2 Active
USD1008036S1 Fragrance container General 1 Active
US12320109B2 Toilet freshener and nightlight Mechanical Engineering; Lighting; Heating 0 Active

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