Inventor
HELLMANN PETER
DE8 patents
⚠️ This page may combine multiple inventors who share the name “HELLMANN PETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HILTI AG
6 patentsUS6868919B1Mar 22, 2005
Switching device for multifunctional hand-held machine tool
HILTI AG72 citations97
US6111515AAug 29, 2000
Method of and apparatus for preventing accidents during working with hand-held tools with a rotatable working tool
HILTI AG111 citations97
US6843140B2Jan 18, 2005
Safety module for a multifunctional handheld tool
HILTI AG32 citations88
US6644450B2Nov 11, 2003
Safety clutch for electrical hand-held tool
HILTI AG13 citations83
US6741803B2May 25, 2004
Circuit and process for regulating the speed of universal electric motors
HILTI AG8 citations69
US6697570B2Feb 24, 2004
Rotary electrical hand-tool device and startup safety routine
HILTI AG2 citations55