Inventor · Kelkheim, DE

Erich Ackermann

5Patents
2h-index
3Co-inventors
44Inventor score

Filing activity: Sep 1, 1988 → Aug 27, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5100989A Resin acid esters based on novolak oxyalkylates, their preparation and their use Chemistry; Metallurgy 9 Expired
US4980425A Surfactants based on hydroxynaphthoic esters and preparation and use thereof Emerging Cross-Sectional Technologies 3 Expired
US11048683B2 Database configuration change management Physics 2 Active
US11416264B2 Software component configuration alignment Physics 0 Active
US5194665A Surfactants based on hydroxynaphthoic esters and preparation and use thereof Emerging Cross-Sectional Technologies 0 Expired

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