Inventor · Oberhausen, DE

Ralf Bremer

15Patents
10h-index
3Co-inventors
65Inventor score

Filing activity: Jun 5, 1995 → Dec 6, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US5588988A Thermal desorption device for a gas chromatograph Physics 25 Expired
US6245298A Sample application device for a gas chromatograph Physics 22 Expired
US6907796B2 Temperature-controlled injector for a chemical analysis unit Physics 19 Expired
US6354136B1 Gas chromatograph with a temperature-controlled injector Physics 18 Expired
US6134945A Method for applying samples to be analyzed by gas chromatography and sampling tube Physics 18 Expired
US6055845A Method for applying samples to be analyzed by gas chromatography and sampling tube Physics 15 Expired
US7712385B2 Method for the preparation of samples for an analyzer and sampling station therefor Physics 15 Active
US6054683A Cartridge heater for a gas chromatography transfer device Physics 12 Expired
US6180410A Method and system for preparing samples for gas chromatography Emerging Cross-Sectional Technologies 12 Expired
US6973846B2 Sample handling device for an analytical instrument Physics 11 Expired
US6447575B2 Method and apparatus for gas chromatography analysis of samples Physics 8 Expired
US6475437B1 Method and system for preparing samples for gas chromatography Emerging Cross-Sectional Technologies 8 Expired
US7127956B2 Method of sample delivery for a sample analyzer and liner handling system Physics 5 Expired
US9869688B2 Device for solid-phase microextraction Physics 4 Active
US10551400B2 Device for solid-phase microextraction Physics 0 Active

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