Inventor · Menomonee Falls, WI, US

John Mitchell Makal

22Patents
15h-index
18Co-inventors
78Inventor score

Filing activity: Oct 5, 1983 → Dec 23, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US7494355B2 Thermoplastic interface and shield assembly for separable insulated connector system Emerging Cross-Sectional Technologies 120 Active
US6332785A High voltage electrical connector with access cavity and inserts for use therewith Emerging Cross-Sectional Technologies 81 Expired
US6338637B1 Dead front system and process for injecting fluid into an electrical cable Emerging Cross-Sectional Technologies 74 Expired
US5857862A Loadbreak separable connector Emerging Cross-Sectional Technologies 74 Expired
US5393240A Separable loadbreak connector Emerging Cross-Sectional Technologies 63 Expired
US4722694A High voltage cable connector Emerging Cross-Sectional Technologies 62 Expired
US5846093A Separable connector with a reinforcing member Emerging Cross-Sectional Technologies 57 Expired
US5427538A Electrical connecting system Emerging Cross-Sectional Technologies 48 Expired
US5655921A Loadbreak separable connector Emerging Cross-Sectional Technologies 48 Expired
US6744255B1 Grounding device for electric power distribution systems Electricity 43 Expired
US4715104A Installation tool Emerging Cross-Sectional Technologies 31 Expired
US7488916B2 Vacuum switchgear assembly, system and method Emerging Cross-Sectional Technologies 24 Active
US7661979B2 Jacket sleeve with grippable tabs for a cable connector Emerging Cross-Sectional Technologies 20 Active
US7491075B2 Electrical connector Emerging Cross-Sectional Technologies 17 Expired
US7909635B2 Jacket sleeve with grippable tabs for a cable connector Emerging Cross-Sectional Technologies 16 Active
US4776089A Method of assembling tap plug to cable connector Emerging Cross-Sectional Technologies 15 Expired
US4532386A Dual voltage switch Electricity 14 Expired
US8109776B2 Two-material separable insulated connector Emerging Cross-Sectional Technologies 9 Active
US7883356B2 Jacket sleeve with grippable tabs for a cable connector Emerging Cross-Sectional Technologies 8 Active
US7870668B2 Method for connecting an electrical connector to a cable connector Emerging Cross-Sectional Technologies 6 Active
US8415579B2 Method of assembling a vacuum switchgear assembly Emerging Cross-Sectional Technologies 5 Active
US7950939B2 Medium voltage separable insulated energized break connector Emerging Cross-Sectional Technologies 4 Active

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