Inventor · Zeitlarn, DE

Silke Wrede

24Patents
4h-index
20Co-inventors
63Inventor score

Filing activity: Oct 1, 1998 → Jun 15, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6060669A Tap selector Electricity 37 Expired
US6091032A Tap changer Electricity 12 Expired
US6347615B1 Damper for tap-changer vacuum switch Emerging Cross-Sectional Technologies 5 Expired
US9165726B2 Tap changer and vacuum switching tube for such a tap changer Electricity 5 Active
US6998547B2 On-load tap changer for a sequence switch Electricity 4 Expired
US10102990B2 On-load tap changer Electricity 4 Active
US7518075B2 Energy accumulator Emerging Cross-Sectional Technologies 3 Active
US8748758B2 On-load tap changer with energy storage mechanism Electricity 3 Active
US9030175B2 Tap changer with vacuum switch tubes Electricity 3 Active
US7683282B2 Mechanical switching contact Electricity 2 Active
US9640341B2 On-load tap changer Electricity 2 Active
US9251971B2 On-load tap changer Electricity 2 Active
US8927885B2 Mechanical switch contact Electricity 1 Active
US11545313B2 Load transfer switch for on-load tap changer, and on-load tap changer Electricity 1 Active
US7652218B2 Energy store Electricity 1 Active
US11120962B2 Load transfer switch for an on-load tap changer and continuous main switch and disconnecting switch for same Electricity 1 Active
US9257246B2 Stepping switch with vacuum switching tubes Electricity 1 Active
US9640339B2 On-load tap changer, method for installing a load transfer switch insert in the on-load tap changer, and kerosene drain screw Electricity 1 Active
US9640340B2 Selector switch for tap-changing transformers and support arm for a tap selector thereof Electricity 0 Active
US12237135B2 Vacuum interrupter Electricity 0 Active
US8404986B2 Manual drive for a tap changer for tap-changing transformers Electricity 0 Active
US12142448B2 Switch for an on-load tap changer and load transfer switch for an on-load tap changer Electricity 0 Active
US8420959B2 Manual drive Electricity 0 Active
US9406454B2 Arrangement of vacuum switching tubes in a load transfer switch Electricity 0 Active

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