Inventor · Elk River, MN, US

Michael W. Schultz

25Patents
6h-index
27Co-inventors
69Inventor score

Filing activity: Oct 7, 1992 → Jun 27, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6880548B2 Warm air furnace with premix burner Mechanical Engineering; Lighting; Heating 76 Expired
US6701874B1 Method and apparatus for thermal powered control Mechanical Engineering; Lighting; Heating 61 Expired
US5329835A Adjustable length punch set assembly Emerging Cross-Sectional Technologies 45 Expired
US7123020B2 System and method of fault detection in a warm air furnace Mechanical Engineering; Lighting; Heating 42 Expired
US6923643B2 Premix burner for warm air furnace Mechanical Engineering; Lighting; Heating 29 Expired
US8123518B2 Burner firing rate determination for modulating furnace Mechanical Engineering; Lighting; Heating 18 Active
US8764435B2 Burner firing rate determination for modulating furnace Mechanical Engineering; Lighting; Heating 6 Active
US9032950B2 Gas pressure control for warm air furnaces Mechanical Engineering; Lighting; Heating 6 Active
US9453648B2 Furnace with modulating firing rate adaptation Mechanical Engineering; Lighting; Heating 6 Active
US8876524B2 Furnace with modulating firing rate adaptation Mechanical Engineering; Lighting; Heating 5 Active
US10330344B2 Temperature algorithm for water heater Mechanical Engineering; Lighting; Heating 5 Active
US10753644B2 Water heater Mechanical Engineering; Lighting; Heating 5 Active
US8635997B2 Systems and methods for controlling gas pressure to gas-fired appliances Mechanical Engineering; Lighting; Heating 4 Active
US9316413B2 Selectable efficiency versus comfort for modulating furnace Emerging Cross-Sectional Technologies 4 Active
US8919337B2 Furnace premix burner Mechanical Engineering; Lighting; Heating 4 Active
US9605871B2 Furnace burner radiation shield Mechanical Engineering; Lighting; Heating 3 Active
US8591221B2 Combustion blower control for modulating furnace Emerging Cross-Sectional Technologies 3 Active
US7644712B2 Negative pressure conditioning device and forced air furnace employing same Mechanical Engineering; Lighting; Heating 2 Active
US10337747B2 Selectable efficiency versus comfort for modulating furnace Emerging Cross-Sectional Technologies 2 Active
US7748375B2 Negative pressure conditioning device with low pressure cut-off Mechanical Engineering; Lighting; Heating 2 Active
US7981164B1 Knee prosthesis Human Necessities 1 Active
US11624528B2 Field configuration of commercial water heaters Electricity 0 Active
US11280557B2 Stratifier for tank-type water heater Emerging Cross-Sectional Technologies 0 Active
US11371753B2 Field configuration of commercial water heaters Electricity 0 Active
US10612817B2 System and method of controlling a water heater having a powered anode Mechanical Engineering; Lighting; Heating 0 Active

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