Inventor · Plymouth, MN, US

Larry Wydra

10Patents
5h-index
11Co-inventors
63Inventor score

Filing activity: Feb 25, 1987 → Jun 12, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US6735812B2 Dual mode carpet cleaning apparatus utilizing an extraction device and a soil transfer cleaning medium Human Necessities 150 Expired
US6662402B2 Apparatus for cleaning fabrics, floor coverings, and bare floor surfaces utilizing a soil transfer cleaning medium Human Necessities 63 Expired
US7967914B2 Method and apparatus for cleaning fabrics, floor coverings, and bare floor surfaces utilizing a soil transfer medium Human Necessities 34 Active
US7059013B2 Fluid recovery device Human Necessities 30 Expired
US6742219B2 Air sweeping apparatus Fixed Constructions 16 Expired
US7025834B2 Retractable broom and dust skirt Fixed Constructions 4 Expired
US7306639B2 Demisting chamber with elbow strainer Fixed Constructions 3 Expired
US4735560A Seal assembly for a rotary device Mechanical Engineering; Lighting; Heating 1 Expired
US8562704B2 Integral vacuum fan housing Human Necessities 1 Active
US10368712B2 Surface maintenance vehicle with self-cleaning reservoir that captures hose runoff Human Necessities 0 Active

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