Inventor
HORNUNG FRIEDRICH
DE15 patents
Patents
15 patentsUS4722021AJan 26, 1988
Safety circuit for hand tools, and method for safe operation thereof
BOSCH GMBH ROBERT157 citations97
US4540318ASep 10, 1985
Rotary electrical tool with speed control, especially drill
BOSCH GMBH ROBERT99 citations96
US4493377AJan 15, 1985
Electronic two-hand safety system for power tools
BOSCH GMBH ROBERT58 citations95
US6326710B1Dec 4, 2001
Electric motor
BOSCH GMBH ROBERT19 citations92
US4618805AOct 21, 1986
Device for regulating rotary speed of an alternating current electric motor
BOSCH GMBH ROBERT29 citations92
US4502549AMar 5, 1985
Spring-coupled power screwdriver
BOSCH GMBH ROBERT32 citations91
US4463293AJul 31, 1984
Method and apparatus for shutting off a power screwdriver
BOSCH GMBH ROBERT44 citations91
US4002959AJan 11, 1977
Motor control system, particularly to reduce idling speed
BOSCH GMBH ROBERT42 citations91
US5496207AMar 5, 1996
Orbital disk grinder
BOSCH GMBH ROBERT44 citations88
US5099184AMar 24, 1992
Electrical series motor with dynamic braking circuit
BOSCH GMBH ROBERT21 citations81
US4673318AJun 16, 1987
Hand tool machine, in particular drilling machine
BOSCH GMBH ROBERT20 citations81
US4982143AJan 1, 1991
Phase control circuit for protection of a motor against thermal overload
BOSCH GMBH ROBERT21 citations80
US4392093AJul 5, 1983
Electronic control and regulating system
BOSCH GMBH ROBERT7 citations72
US4219747AAug 26, 1980
Mechanical apparatus for activating no load current limiting circuits in electric motors
BOSCH GMBH ROBERT7 citations72
US4213077AJul 15, 1980
Speed control circuit for a universal electric motor
BOSCH GMBH ROBERT7 citations71