Inventor · Leinfelden, DE

Michael Preiss

41Patents
9h-index
28Co-inventors
75Inventor score

Filing activity: Jun 27, 1975 → Dec 11, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6033010A Air guiding arrangement for a motor vehicle front end Emerging Cross-Sectional Technologies 41 Expired
US4805747A Arrangement for supplying cooling air to a brake disk Mechanical Engineering; Lighting; Heating 37 Expired
US8091516B2 Cooling device Emerging Cross-Sectional Technologies 23 Active
US5678884A Air guide device with air intake openings Emerging Cross-Sectional Technologies 21 Expired
US5052745A Wind deflector for sliding roofs, removable roof sections or the like of motor vehicles Performing Operations; Transporting 17 Expired
US7226117B2 Rear-end spoiler for a full-rear vehicle Emerging Cross-Sectional Technologies 15 Expired
USD512668S1 Surface configuration of a vehicle spoiler General 11 Expired
US4901826A Vehicle equipped with air-cooled wheel brakes Performing Operations; Transporting 10 Expired
US4973590A Process for the preparation of quinolonecarboxylic acids which can be administered parenterally Human Necessities 9 Expired
US4389489A Optically pure heterocyclic aminoacid compounds, a process for their use for the synthesis of medicaments Chemistry; Metallurgy 9 Expired
US5836643A Vehicle roof Performing Operations; Transporting 9 Expired
US4386089A .beta.-Lactam antibiotics and their medicinal use Chemistry; Metallurgy 8 Expired
US6622807B2 Cooling air system for motor vehicles and method of making and using same Emerging Cross-Sectional Technologies 8 Expired
US5797647A Vehicle body Performing Operations; Transporting 7 Expired
US4600778A Process for the preparation of 1,4-dihydropyridinedicarboxylic esters Chemistry; Metallurgy 7 Expired
US4200576A Beta-lactam antibiotics Emerging Cross-Sectional Technologies 7 Expired
US5155223A Preparation of quinolinecarboxylic acids Chemistry; Metallurgy 6 Expired
US6116365A Arrangement for ventilating an assembly on a vehicle Emerging Cross-Sectional Technologies 5 Expired
US4235774A Penicillin derivatives Human Necessities 5 Expired
US4107304A Oxo-imidazolidine substituted cephalosporins and antibacterial compositions and methods of combatting bacteria employing them Chemistry; Metallurgy 5 Expired
US4029806A Nitro-.beta.-lactam antibiotics and processes for their preparation and use Chemistry; Metallurgy 4 Expired
US4147693A .beta.Lactam antibiotics and process for their use Chemistry; Metallurgy 4 Expired
US4223037A .beta.-Lactam antibiotics and their use Chemistry; Metallurgy 4 Expired
US4215118A 2-Hetero-acetamido-penicillanates and cephalosporinates Chemistry; Metallurgy 3 Expired
US4294827A Antibacterial and growth promoting .beta.-lactam antibiotics carrying an -ylidene-2-pyrrolidinon-1-yl radical Chemistry; Metallurgy 3 Expired

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