Inventor · Baltimore, MD, US

Craig A. Schell

84Patents
22h-index
114Co-inventors
91Inventor score

Filing activity: Jul 25, 1996 → Jun 24, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8286723B2 Power screwdriver having rotary input control Performing Operations; Transporting 1,094 Active
US9475180B2 Power tool having rotary input control Performing Operations; Transporting 1,022 Active
US8347978B2 Method for controlling a power driver Performing Operations; Transporting 1,017 Active
US5738177A Production assembly tool Electricity 143 Expired
US7137541B2 Fastening tool with mode selector switch Emerging Cross-Sectional Technologies 104 Expired
US7681659B2 Power tool anti-kickback system with rotational rate sensor Electricity 104 Active
US7314097B2 Hammer drill with a mode changeover mechanism Performing Operations; Transporting 95 Expired
US7410006B2 Power tool anti-kickback system with rotational rate sensor Performing Operations; Transporting 84 Expired
US8316958B2 Control scheme for detecting and preventing torque conditions in a power tool Performing Operations; Transporting 67 Active
US7552781B2 Power tool anti-kickback system with rotational rate sensor Electricity 63 Active
US8418778B2 Power screwdriver having rotary input control Performing Operations; Transporting 48 Active
US7641089B2 Magazine assembly for nailer Performing Operations; Transporting 40 Active
US7165305B2 Activation arm assembly method Emerging Cross-Sectional Technologies 37 Expired
US7213732B2 Contact trip mechanism for nailer Performing Operations; Transporting 35 Expired
US9352456B2 Power tool with force sensing electronic clutch Physics 31 Active
US7503401B2 Solenoid positioning methodology Performing Operations; Transporting 30 Active
US8231039B2 Structural backbone/motor mount for a power tool Performing Operations; Transporting 30 Active
US6705501B2 Contact trip assembly for fastening tool Performing Operations; Transporting 28 Expired
US7138595B2 Trigger configuration for a power tool Performing Operations; Transporting 28 Expired
US8690036B2 Magazine assembly for nailer Performing Operations; Transporting 26 Active
US8123099B2 Cam and clutch configuration for a power tool Performing Operations; Transporting 23 Active
US7789169B2 Driver configuration for a power tool Performing Operations; Transporting 23 Expired
US8408327B2 Method for operating a power driver Performing Operations; Transporting 22 Active
US8006883B2 Fastener driver having nosepiece cover Performing Operations; Transporting 22 Active
US9136729B2 Power tool battery pack wireless charger Electricity 21 Active

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