Inventor
FARROW JOHN F
11 patents
⚠️ This page may combine multiple inventors who share the name “FARROW JOHN F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MEDAR INC
10 patentsUS6342686B1Jan 29, 2002
Method for determining a condition of a resistance spotwelding system or a workpiece in the system
MEDAR INC20 citations91
US6225590B1May 1, 2001
Method for determining a condition of a resistance spotwelding system or a workpiece in the system
MEDAR INC19 citations91
US4885451ADec 5, 1989
Automatic stepper for resistance welding
MEDAR INC18 citations73
US5793243AAug 11, 1998
Method of stabilizing an electronic signal integrator
MEDAR INC12 citations72
US5757176AMay 26, 1998
Method and system for controlling output current of a large, low-voltage, DC power supply and obtaining diagnostic information from the operation thereof
MEDAR INC9 citations72
US4851635AJul 25, 1989
Method and apparatus for determining the power factor of a circuit
MEDAR INC14 citations72
US4804819AFeb 14, 1989
Structure and method for resistance welding with an inductively coupled power source
MEDAR INC14 citations72
US4831229AMay 16, 1989
High frequency resistance spot welding structure and method
MEDAR INC2 citations61
US4513363AApr 23, 1985
Structure for and method of reducing impedance in multiphase direct current power supplies
MEDAR INC2 citations61
US4733045AMar 22, 1988
Method of and structure for high speed resistance seam welding
MEDAR INC1 citations51