Inventor · Cockeysville, MD, US

John E. Buck

115Patents
27h-index
73Co-inventors
93Inventor score

Filing activity: Jun 23, 1992 → Sep 11, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US6057608A Cordless power tool system Emerging Cross-Sectional Technologies 161 Expired
US6329788A Cordless power tool system Emerging Cross-Sectional Technologies 118 Expired
USD572479S1 Power tool box General 91 Expired
USD535253S1 Battery pack terminal and housing General 88 Expired
US6304058A Cordless power tool system Emerging Cross-Sectional Technologies 74 Expired
USD461196S1 Hand portable air compressor General 65 Expired
USD463774S1 Battery pack terminal and housing General 60 Expired
USD509189S1 Battery pack terminal and housing General 60 Expired
USD415100S Battery pack General 56 Expired
US7782626B2 Portable power driven system with battery anti-theft apparatus Emerging Cross-Sectional Technologies 55 Active
USD433300S Circular saw General 44 Expired
USD501182S1 Portable electric generator General 40 Expired
USD409976S Battery charger General 38 Expired
USD461694S1 Fastener tool General 35 Expired
USD434627S Reciprocating saw General 32 Expired
US6515451B2 Cordless power tool system Emerging Cross-Sectional Technologies 32 Expired
USD553931S1 Nailer General 31 Expired
US7699566B2 Tool chuck with sleeve and clutch mechanism Emerging Cross-Sectional Technologies 31 Active
US7753381B2 Tool chuck with sleeve and clutch mechanism to remove operator variability Emerging Cross-Sectional Technologies 31 Active
USD499747S1 Hand portable air compressor General 31 Expired
USD472519S1 Portable electric generator General 31 Expired
US8231039B2 Structural backbone/motor mount for a power tool Performing Operations; Transporting 30 Active
USD440136S Fastener driving tool General 30 Expired
US6653815B2 Cordless power tool system Emerging Cross-Sectional Technologies 30 Expired
US8038156B2 Tool chuck with sleeve and clutch mechanism to remove operator variability Emerging Cross-Sectional Technologies 29 Active

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