Inventor · Maywood, IL, US

Leonard V. Chabala

23Patents
8h-index
18Co-inventors
72Inventor score

Filing activity: Apr 1, 1975 → Sep 15, 1994

Most-cited inventions

PatentTitleAreaCited byStatus
US5091616A Self-contained switch for electrical distribution circuit Electricity 30 Expired
US5025171A Method and arrangement for providing power operation of switchgear apparatus Electricity 24 Expired
USD329043S Insulating through-bushing for an electrical conductor General 17 Expired
US4752859A Arrangement for providing various circuit protection device configurations Electricity 16 Expired
US4596906A Arrangement for providing independent rotary and linear drive outputs for high-voltage switches Electricity 10 Expired
US5013876A Switch contacts with improved fault-closing capability Electricity 10 Expired
US4983792A Interrupter switch with selective circuit-isolating feature Electricity 9 Expired
US5103111A Switch configuration with integral sensing and power supply apparatus Electricity 8 Expired
US3965452A Exhaust control device for circuit interrupting devices Electricity 8 Expired
US5252780A Support arrangement for a rotatable insulator Electricity 7 Expired
US5578792A Interconnection arrangement for electrical equipment enclosures Electricity 6 Expired
US5100157A Sealing arrangement with overpressure relief Emerging Cross-Sectional Technologies 6 Expired
US5057654A Interrupting unit with molded housing and shunt current path therethrough Electricity 5 Expired
USD310823S Interrupter switch General 4 Expired
US4692734A Interrupting device with improved current-limiting arrangement Electricity 3 Expired
US4654489A Insulating support column with operating member Electricity 3 Expired
US4319108A Force-limiting coupling apparatus Electricity 3 Expired
US4622250A Insulating material and use thereof in insulators Emerging Cross-Sectional Technologies 2 Expired
USD254668S High voltage fuse end fitting General 2 Expired
US4690780A Insulating material and use thereof in insulators Emerging Cross-Sectional Technologies 2 Expired
USD314758S Design for an interrupter unit for a switch assembly General 1 Expired
US4583750A Sealing arrangement Mechanical Engineering; Lighting; Heating 1 Expired
US4338499A Anti-paralleling apparatus for high-voltage gear Electricity 1 Expired

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