Inventor · Düsseldorf, DE

Wolfgang Ritter

89Patents
21h-index
126Co-inventors
91Inventor score

Filing activity: Jan 19, 1977 → May 27, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US4921921A Meltable aerobically cured plastic compositions Chemistry; Metallurgy 65 Expired
US4676858A Organoboron containing mixtures and their manufacture and use Chemistry; Metallurgy 62 Expired
US4515724A Boron alkyl compounds and processes for their manufacture and use Chemistry; Metallurgy 61 Expired
US5552454A New materials for bone replacement and for joining bones or prostheses Human Necessities 56 Expired
US4638092A New organic boron polymers and their use Chemistry; Metallurgy 53 Expired
US4810305A Hydrophobic pigments and fillers for incorporation in synthetic resins Chemistry; Metallurgy 50 Expired
US4866023A Process for the shaping agglomeration of particulate solids and solids produced by the process Performing Operations; Transporting 50 Expired
US5308623A Resorbable bone wax Human Necessities 49 Expired
US4639498A Aerobically hardenable plastic compositions Chemistry; Metallurgy 43 Expired
US5143730A Resorbable bone wax Human Necessities 42 Expired
US5846601A Use of selected polyvinyl acetate dispersions for the surface stabilization of sand and/or soil Emerging Cross-Sectional Technologies 41 Expired
US5538738A Retard systems for the sustained release of medicinal and/or biological valuable materials from a depot carrier material Emerging Cross-Sectional Technologies 38 Expired
US8585372B2 Motor/pump assembly Mechanical Engineering; Lighting; Heating 34 Active
US4385153A Stable, aerobically-hardening adhesives containing boron compound initiators Chemistry; Metallurgy 33 Expired
US5399353A Preparations for covering undamaged and/or damaged areas of human or animal skin Human Necessities 28 Expired
US4920090A Process for the formation of shaped agglomerates from particulate solids Performing Operations; Transporting 27 Expired
US6112616A Brake pedal mechanism for automotive vehicles Emerging Cross-Sectional Technologies 24 Expired
US5035186A Table having a connection device Human Necessities 24 Expired
US5460074A Vacuum brake power booster Performing Operations; Transporting 23 Expired
US5439953A Starch-based materials and/or molded parts modified by synthetic polymer compounds and process for producing the same Chemistry; Metallurgy 22 Expired
US7770491B2 Device with additional restoring force on the gas pedal based on the deviation of a vehicle parameter from the set value Emerging Cross-Sectional Technologies 21 Expired
US4900544A Cationic polymers as antistatic additives for hair preparations Human Necessities 19 Expired
US6420454B1 Bone sealants Human Necessities 19 Expired
US5605088A Vacuum brake power booster Performing Operations; Transporting 19 Expired
US5039432A Copolymers of (meth) acrylic acid esters as flow improvers in oils Emerging Cross-Sectional Technologies 19 Expired

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