Inventor · Maple Grove, MN, US

Frederick A. Powers

42Patents
13h-index
19Co-inventors
78Inventor score

Filing activity: Apr 9, 1985 → Jan 11, 2025

Most-cited inventions

PatentTitleAreaCited byStatus
US5257365A Database system with multi-dimensional summary search tree nodes for reducing the necessity to access records Emerging Cross-Sectional Technologies 119 Expired
US5404513A Method for building a database with multi-dimensional search tree nodes Emerging Cross-Sectional Technologies 95 Expired
US9274668B2 Guided page navigation Emerging Cross-Sectional Technologies 74 Active
US5442784A Data management system for building a database with multi-dimensional search tree nodes Emerging Cross-Sectional Technologies 66 Expired
US4681516A Leakage preventing liquid supply pump Mechanical Engineering; Lighting; Heating 26 Expired
US9229607B2 Guided page navigation Emerging Cross-Sectional Technologies 25 Active
US5404512A Method for accessing a database with multi-dimensional search tree nodes Emerging Cross-Sectional Technologies 25 Expired
US5707219A Diaphragm pump Mechanical Engineering; Lighting; Heating 23 Expired
US4637295A Pump seal with curved backup plate Emerging Cross-Sectional Technologies 20 Expired
US5277099A Reduced icing low friction air valve Emerging Cross-Sectional Technologies 20 Expired
US5667143A Spray gun for spraying two fluids Emerging Cross-Sectional Technologies 20 Expired
US6164560A Lawn applicator module and control system therefor Emerging Cross-Sectional Technologies 18 Expired
US4921408A Non-icing quiet air-operated pump Mechanical Engineering; Lighting; Heating 18 Expired
US10671956B2 Measure factory Physics 13 Active
US6089532A Valve for use with agricultural sprayers Mechanical Engineering; Lighting; Heating 10 Expired
US10445674B2 Measure factory Physics 8 Active
US10671955B2 Dynamic generation of guided pages Physics 7 Active
US6019124A Valve assembly for use with high pressure pumps Emerging Cross-Sectional Technologies 7 Expired
US10755233B2 Guided page navigation Physics 6 Active
USD302557S Pump General 6 Expired
US10832198B2 Guided page navigation Emerging Cross-Sectional Technologies 5 Active
US11188865B2 Assisted analytics Physics 4 Active
US11164131B2 Measure factory Physics 3 Active
US10839327B2 Measure factory Physics 3 Active
US4792291A Viscous damped valve for hydraulic pump Mechanical Engineering; Lighting; Heating 2 Expired

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