Inventor · Speyer, DE

Ralf Schulz

33Patents
9h-index
52Co-inventors
78Inventor score

Filing activity: Apr 2, 1997 → May 8, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6538168B1 Preparation of C5-/C6-olefins Emerging Cross-Sectional Technologies 58 Expired
US6166279A Preparation of olefins Emerging Cross-Sectional Technologies 48 Expired
US8751380B2 System and method for managing merchant-consumer interactions Physics 33 Active
US6580009B2 Flexible preparation of propene and hexene Emerging Cross-Sectional Technologies 27 Expired
US6846965B1 Method for the oligomerization of C2 C8-olefins Chemistry; Metallurgy 22 Expired
US6838061B1 Reactor for carrying out gas-liquid, liquid, liquid-liquid or gas-liquid-solid chemical reactions Performing Operations; Transporting 20 Expired
US6221440A Process for plating metal coating Electricity 19 Expired
US6737553B1 Method for producing surfactant alcohols and surfactant alcohol ethers, the resulting products and their use Chemistry; Metallurgy 16 Expired
US7256317B2 Process for the preparation of surfactant alcohols and surfactant alcohol ethers, the prepared products and their use Chemistry; Metallurgy 11 Expired
US6403168B2 Process for plating metal coatings Electricity 9 Expired
US6906230B1 Method for producing alcohol surfactants and alcohol ether surfactants, the products obtained and their use Chemistry; Metallurgy 8 Expired
US6852898B2 Method for producing oligomers Chemistry; Metallurgy 8 Expired
US6737555B1 Method for oligomerizing C6-olefins Chemistry; Metallurgy 6 Expired
US6706201B1 Method for producing metallized substrate materials Electricity 5 Expired
US6938328B2 Device for fitting substrates with electric components Emerging Cross-Sectional Technologies 5 Expired
US6130181A Metathesis catalyst, and its preparation and use Chemistry; Metallurgy 4 Expired
US6433240B1 Preparation of propene and, if desired, 1-butene Emerging Cross-Sectional Technologies 4 Expired
US6566566B1 Process for the preparation of surfactant alcohols and surfactant alcohol ethers, the prepared products and their use Chemistry; Metallurgy 3 Expired
US8227754B2 Optical imaging detector Physics 2 Active
US9472101B2 System and method for recognizing a parking place that is potentially becoming free Physics 2 Active
US9677895B2 Method for operating a navigation system in a vehicle and corresponding control system and computer program product Physics 2 Active
US6446791B1 Feeder for taped SMD components Electricity 2 Expired
US9959759B2 Method, computer program product, and electronic control device for locating a parking space for vehicles Physics 2 Active
US6887434B2 Preparation of propene and, if desired, 1-butene Emerging Cross-Sectional Technologies 1 Expired
US8859721B2 Process for working up particulate crude polyoxymethylene Chemistry; Metallurgy 1 Active

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