Inventor · Vellmar, DE

Udo Mersmann

11Patents
4h-index
10Co-inventors
53Inventor score

Filing activity: Sep 14, 2000 → Oct 24, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US7251854B2 Vacuum cleaner with a dust collection chamber closeable by a lid Human Necessities 21 Expired
US8186007B2 Upright vacuum cleaner Human Necessities 13 Active
US8181309B2 Upright vacuum cleaner Human Necessities 9 Active
US8286302B2 Upright vacuum cleaner Human Necessities 4 Active
US8991005B2 Upright vacuum cleaner Human Necessities 4 Active
US8196257B2 Upright vacuum cleaner Human Necessities 4 Active
US7472453B2 Vacuum cleaner Human Necessities 3 Expired
US8011060B2 Upright vacuum cleaner Human Necessities 2 Active
US7607197B1 Vacuum cleaner with operating elements that control power Electricity 2 Expired
US8607410B2 Attachment device for a vacuum cleaner Human Necessities 0 Active
US7617565B2 Housing for a cylinder vacuum cleaner Human Necessities 0 Expired

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