Inventor · Cologne, DE

Thomas Robl

9Patents
2h-index
11Co-inventors
48Inventor score

Filing activity: Aug 29, 1997 → Jul 26, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5817230A Method for improving the pozzolanic character of fly ash Emerging Cross-Sectional Technologies 30 Expired
US6533848B1 Technology and methodology for the production of high quality polymer filler and super-pozzolan from fly ash Emerging Cross-Sectional Technologies 15 Expired
US7963398B2 Method for hydraulically separating carbon and classifying coal combustion ash Performing Operations; Transporting 2 Active
US8986444B2 Hybrid cement clinker and cement made from that clinker Emerging Cross-Sectional Technologies 1 Active
US10457859B2 Proppant for use in hydraulic fracturing to stimulate a well Fixed Constructions 1 Active
US9284226B2 Cementitious compositions Chemistry; Metallurgy 0 Active
US11560334B2 Concrete repair coating Emerging Cross-Sectional Technologies 0 Active
US12227698B2 Method of multi-stage fracturing of subterranean formation and slurry for that method Fixed Constructions 0 Active
US11631349B2 Light box and light box group therewith Physics 0 Active

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