Inventor · York, PA, US

Robert G. Grubb

17Patents
9h-index
14Co-inventors
69Inventor score

Filing activity: Aug 18, 1975 → Jul 3, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US5954474A Hydro-turbine runner Emerging Cross-Sectional Technologies 25 Expired
US5947679A Adjustable blade turbines Emerging Cross-Sectional Technologies 21 Expired
US5823740A Dissolved gas augmentation with mixing chambers Emerging Cross-Sectional Technologies 19 Expired
US5879130A Aeration through runner Emerging Cross-Sectional Technologies 18 Expired
US5924842A Hydraulic turbine for enhancing the level of dissolved gas in water Emerging Cross-Sectional Technologies 17 Expired
US5924844A Dissolved gas augmentation with mixing chambers Emerging Cross-Sectional Technologies 13 Expired
US6524063B1 Hydraulic turbine for enhancing the level of dissolved gas in water Emerging Cross-Sectional Technologies 12 Expired
US6247893A Hydraulic turbine for enhancing the level of dissolved gas in water Emerging Cross-Sectional Technologies 11 Expired
US6016600A Method of assembling a turbine runner situated in a water passageway Emerging Cross-Sectional Technologies 10 Expired
US6533536B1 Hydro-turbine runner Emerging Cross-Sectional Technologies 9 Expired
US6095749A Hydraulic turbine for enhancing the level of dissolved gas in water Emerging Cross-Sectional Technologies 9 Expired
US6402477B1 Adjustable blade turbines Emerging Cross-Sectional Technologies 9 Expired
US6254339A Hydro-turbine runner Emerging Cross-Sectional Technologies 7 Expired
US6164907A Adjustable blade turbines Emerging Cross-Sectional Technologies 4 Expired
US4197629A Apparatus for machining and statically balancing a large and heavy workpiece Emerging Cross-Sectional Technologies 4 Expired
US4012170A Fabricated crown plate for Francis-type hydraulic turbine runner Emerging Cross-Sectional Technologies 4 Expired
US4063675A Method of fabricating a crown plate for Francis-type hydraulic turbine runner Emerging Cross-Sectional Technologies 0 Expired

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