Inventor · disambiguated record
Peter Hellmann
Also filed as: HELLMANN PETER
8 granted patents·1 pending application·238 citations·filing 1999–2022
87Inventor score
Top patents by PatentIndex Score
9 records- 0196US6868919B1Switching device for multifunctional hand-held machine toolHILTI AG·Filed 2000·Granted Mar 22, 2005·72 cites·7 claims
- 0294US6111515AMethod of and apparatus for preventing accidents during working with hand-held tools with a rotatable working toolHILTI AG·Filed 1999·Granted Aug 29, 2000·111 cites·8 claims
- 0376US6644450B2Safety clutch for electrical hand-held toolHILTI AG·Filed 2001·Granted Nov 11, 2003·13 cites·14 claims
- 0470US6843140B2Safety module for a multifunctional handheld toolHILTI AG·Filed 2003·Granted Jan 18, 2005·32 cites·4 claims
- 0556US12455101B2Method for operating a heat pump for a motor vehicle and heat pumpVOLKSWAGEN AG·Filed 2022·Granted Oct 28, 2025·0 cites·16 claims
- 0650US6741803B2Circuit and process for regulating the speed of universal electric motorsHILTI AG·Filed 2002·Granted May 25, 2004·8 cites·7 claims
- 0745US7900466B2Air-conditioning system for a motor vehicleVOLKSWAGEN AG·Filed 2005·Granted Mar 8, 2011·0 cites·10 claims
- 0836US6697570B2Rotary electrical hand-tool device and startup safety routineHILTI AG·Filed 2002·Granted Feb 24, 2004·2 cites·8 claims
- 0934US2004011632A1Safety switch device for a rotary powered hand toolFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →