Inventor · Cameron Park, CA, US

Robert Willis

6Patents
2h-index
3Co-inventors
33Inventor score

Filing activity: Jun 8, 2011 → Nov 10, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
USD727579S1 Brush core for a sponge brush General 13 Active
US10271636B2 Archimedes brush for semiconductor cleaning Human Necessities 4 Active
US9202723B2 Brush with cantilevered nodules Human Necessities 1 Active
US8898845B2 Brush mandrel for PVA sponge brush Human Necessities 1 Active
US9455163B2 Brush mandrel for PVA sponge brush Human Necessities 0 Active
US8857001B2 Brush mandrel for PVA sponge brush General 0 Revoked

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