Inventor · Annaberg-Buchholz, DE

Willy Frank

4Patents
2h-index
5Co-inventors
41Inventor score

Filing activity: Jun 25, 1986 → Mar 2, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US4737671A Circuit for detecting the current flow of a triac Physics 4 Expired
US6818726B2 Polymers from hydroxyalkyl amino triazines and polyfunctional compounds Chemistry; Metallurgy 3 Expired
US8590153B2 Method for producing an adsorption heat exchanger Emerging Cross-Sectional Technologies 1 Active
US6818768B2 Mixtures of triazine derivatives free from polyalkylene oxide Chemistry; Metallurgy 0 Expired

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