Inventor · Plymouth, MN, US

David J. Johnsen

42Patents
10h-index
31Co-inventors
75Inventor score

Filing activity: Nov 10, 2000 → Dec 20, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6761594B2 DSX jack including sliding rear connector Electricity 61 Expired
US7086898B2 Coaxial cable Y-splitter assembly with an integral splitter body and method Electricity 32 Expired
US7005996B2 Power distribution panel with modular inserts Electricity 31 Expired
USD465782S1 Communications panel General 27 Expired
USD466111S1 Communications panel General 23 Expired
US6533616B2 DSX jack including sliding rear connector Electricity 21 Expired
US6551136B2 Closed end coaxial connector Electricity 17 Expired
US7440262B2 Modular power distribution system and methods Electricity 15 Active
US6870729B2 Finger guard for power distribution panel Electricity 10 Expired
US8850898B2 Test fixture for strip samples Physics 10 Active
US7898787B2 Power panel with angled connectors Emerging Cross-Sectional Technologies 9 Active
US6872097B2 Dsx jack including sliding rear connector Electricity 8 Expired
US7163423B1 Coaxial system with keying feature Electricity 8 Expired
US6775120B2 Power distribution bus with protection and alarming Electricity 7 Expired
US6503105B1 Telecommunications jack subassembly Electricity 7 Expired
US7244145B2 Coaxial cable-Y splitter assembly with transverse opening Electricity 7 Active
US7585034B2 Power distribution panel with modular inserts Electricity 6 Active
US7094971B2 Coaxial cable Y-splitter assembly and method Emerging Cross-Sectional Technologies 6 Expired
US11435534B2 Flexible optical fiber connectors and assemblies Physics 6 Active
US7120002B2 Power distribution bus with protection and alarming Electricity 5 Expired
US6457999B1 DSX jack including sliding rear connector Electricity 5 Expired
US8848346B2 Power distribution panel with modular circuit protection elements Electricity 5 Active
US11022770B2 Bladed chassis systems Electricity 4 Active
US8320107B2 Modular power distribution system and methods Electricity 4 Active
US7839623B2 Modular power distribution system and method Electricity 4 Active

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