Patent assignee · US · COMPANY

ILLINOIS TOOL WORKS INC.

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7,572Patents
4,440Active
7,572Granted
58Portfolio score

Filing activity: May 14, 1973 → Oct 1, 2024 · 999 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6722550B1 Fuel level indicator for combustion tools Emerging Cross-Sectional Technologies 1,034 Expired
US8833219B2 Wire saw Emerging Cross-Sectional Technologies 1,007 Active
US8348118B2 Fastener-driving tool having trigger control mechanism for alternatively permitting bump firing and sequential firing modes of operation Performing Operations; Transporting 829 Active
US4150464A Buckle Emerging Cross-Sectional Technologies 241 Expired
US6179753A Suspension system for exercise apparatus Human Necessities 213 Expired
US6545239B2 Rocker switch with snap dome contacts Electricity 168 Expired
US4771919A Dispensing device for multiple components Performing Operations; Transporting 157 Expired
US5197646A Combustion-powered tool assembly Performing Operations; Transporting 156 Expired
US6426485B1 Light diffusing signal mirror heater Electricity 156 Expired
US6987244B2 Self-contained locking trigger assembly and systems which incorporate the assembly Performing Operations; Transporting 151 Expired
US5836638A Fuel door assembly Emerging Cross-Sectional Technologies 140 Expired
US5733085A Fastener assembly and adhesive composition Emerging Cross-Sectional Technologies 139 Expired
US5115944A Fluid dispenser having a collapsible inner bag Performing Operations; Transporting 139 Expired
US8316462B2 Tip-to-work distance communication system for a welding mask Performing Operations; Transporting 131 Active
US6115273A Power converter with low loss switching Emerging Cross-Sectional Technologies 129 Expired
USD477776S1 Cord clamp General 126 Expired
US6145724A Combustion powered tool with combustion chamber delay Performing Operations; Transporting 124 Expired
US5222279A Buckle having increased holding power when under load Emerging Cross-Sectional Technologies 123 Expired
US4931627A Positive temperature coefficient heater with distributed heating capability Electricity 119 Expired
US5902540A Meltblowing method and apparatus Performing Operations; Transporting 117 Expired
US4171555A Buckle Human Necessities 117 Expired
US6618910B1 Cord clamp Emerging Cross-Sectional Technologies 117 Expired
US5775860A Plastic rivet having integral drive pin and body Mechanical Engineering; Lighting; Heating 116 Expired
US5197166A Cord closure Emerging Cross-Sectional Technologies 116 Expired
US4923309A Tamper-evident package Performing Operations; Transporting 114 Expired

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