Inventor · Centerville, MN, US

Robert L. Hosfield

9Patents
6h-index
13Co-inventors
52Inventor score

Filing activity: Aug 29, 2003 → Mar 18, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US6886639B2 High flow foam system for fire fighting applications Emerging Cross-Sectional Technologies 22 Expired
US7997348B2 Foam proportioning system with low-end controller Human Necessities 11 Active
US8297369B2 Fire-extinguishing system with servo motor-driven foam pump Human Necessities 10 Active
USD642132S1 Control panel General 9 Expired
USD643377S1 Dual horizontal control panel General 9 Expired
US8789614B2 Ultra-high pressure fire-fighting system Human Necessities 8 Active
US9149671B2 Compact fire-extinguishing system with high-pressure foam proportioning system Human Necessities 4 Active
USD642135S1 Dual vertical control panel General 3 Expired
US8511395B2 Redundant stationary fire fighting system and method Human Necessities 0 Active

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