Patent assignee · US · COMPANY

Underground Devices, Inc.

32Patents
31Active
32Granted
51Portfolio score

Filing activity: Oct 28, 2004 → Jan 22, 2022 · 4 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7942371B1 Conduit spacer for duct banks Electricity 50 Active
US7806629B2 Side loading conduit spacer Electricity 33 Active
US8596590B2 Non-metallic support stanchion Emerging Cross-Sectional Technologies 27 Active
US8783631B2 Low EMF compact duct spacer Emerging Cross-Sectional Technologies 19 Active
US7140500B2 Cable rack for power and communication cables Electricity 18 Expired
US8876068B2 Low EMF compact duct spacer Emerging Cross-Sectional Technologies 15 Active
US8550259B1 ULT cable support system Electricity 13 Active
US8517186B1 ULT cable support system with saddles Electricity 12 Active
USD771478S1 Spacer General 12 Active
USD794434S1 Duct spacer General 12 Active
US8567734B2 Cable support system Emerging Cross-Sectional Technologies 10 Active
USD795046S1 Duct spacer General 10 Active
US8960612B2 Non-metallic support stanchion Emerging Cross-Sectional Technologies 9 Active
USD889941S1 Monolithic duct spacer General 9 Active
USD772047S1 Spacer General 8 Active
USD772049S1 Spacer General 7 Active
US8733560B2 ULT cable support system Mechanical Engineering; Lighting; Heating 7 Active
USD795047S1 Duct spacer General 7 Active
USD794433S1 Duct spacer General 7 Active
USD795048S1 Duct spacer General 6 Active
USD772046S1 Spacer General 6 Active
USD772050S1 Spacer General 6 Active
USD772044S1 Spacer General 5 Active
US9175791B2 Low EMF compact duct spacer Emerging Cross-Sectional Technologies 3 Active
USD772048S1 Spacer General 3 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.