Inventor · Roetgen, DE

Wilhelm Hermann

12Patents
8h-index
20Co-inventors
72Inventor score

Filing activity: Apr 21, 1976 → Apr 5, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US6583688B2 Tunable filter arrangement comprising resonators with reflection layers Electricity 85 Expired
US6653913B2 Tunable piezoelectric filter arrangement using a dielectric material with a voltage-dependent dielectric constant Electricity 29 Expired
US6125027A Component comprising a capacitor Chemistry; Metallurgy 22 Expired
US4144875A Solar collector comprising an entrance window consisting of evacuated tubes Emerging Cross-Sectional Technologies 16 Expired
US4091793A Solar collector Emerging Cross-Sectional Technologies 15 Expired
US4142509A Solar collector comprising an evacuated cover Emerging Cross-Sectional Technologies 12 Expired
US4284069A Wall element comprising a solar collector which is disposed between two transparent panes Emerging Cross-Sectional Technologies 9 Expired
US4038797A Evacuated thermal insulating glazing unit with an infrared reflecting coating Emerging Cross-Sectional Technologies 8 Expired
US4319559A Solar collector for heating a gaseous heat transport medium Emerging Cross-Sectional Technologies 6 Expired
US4684387A Method for manufacturing glass bodies Emerging Cross-Sectional Technologies 6 Expired
US5914086A Method of manufacturing structured mouldings Emerging Cross-Sectional Technologies 3 Expired
US4689066A Method for manufacturing glass bodies Emerging Cross-Sectional Technologies 3 Expired

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