Inventor
BURGER HELMUT
DE32 patents
⚠️ This page may combine multiple inventors who share the name “BURGER HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HILTI AG
27 patentsUS6376942B1Apr 23, 2002
Battery-powered drill
HILTI AG110 citations97
US5765654AJun 16, 1998
Device for collecting drilled material and dust
HILTI AG43 citations92
US5296768AMar 22, 1994
Revolutions per minute regulation device for a hand-held electric tool and method of its manufacture
HILTI AG26 citations92
US6725944B2Apr 27, 2004
Mode selection switch for a combination electrical hand tool device
HILTI AG36 citations91
US6550545B1Apr 22, 2003
Hand-held electrical combination hammer drill
HILTI AG44 citations90
US6957706B2Oct 25, 2005
Attachment member
HILTI AG22 citations89
US6479918B1Nov 12, 2002
Drilling implement
HILTI AG20 citations87
US7144206B2Dec 5, 2006
Attachment element for securing a depth stop on a hand-held power tool
HILTI AG19 citations84
US7044234B2May 16, 2006
Hand-held electrical combination hammer drill
HILTI AG13 citations82
US6586855B2Jul 1, 2003
Universal electric motor for hand-held tool devices
HILTI AG17 citations82
US6225717B1May 1, 2001
Electromotor
HILTI AG14 citations73
US9905966B2Feb 27, 2018
Hand-held machine tool
HILTI AG5 citations72
US7704080B2Apr 27, 2010
Receiving housing for a hand-held power tool
HILTI AG7 citations70
US11084160B2Aug 10, 2021
Hand-held power tool
HILTI AG2 citations68
US7495367B2Feb 24, 2009
Brush mounting plate with brush guiding plates
HILTI AG7 citations67
US11228219B2Jan 18, 2022
Winding support and stator
HILTI AG0 citations62
US7612482B2Nov 3, 2009
Electric motor with brush plate
HILTI AG2 citations62
US12587062B2Mar 24, 2026
Electric motor positioning apparatus including rubber pot
HILTI AG0 citations61
US11979065B2May 7, 2024
Brushless electric motor
HILTI AG0 citations61
US11027406B2Jun 8, 2021
Hand machine tool
HILTI AG0 citations61
US7449809B2Nov 11, 2008
Brush holder with crimp connection
HILTI AG2 citations54
US12489345B2Dec 2, 2025
Hall board inside the end windings
HILTI AG0 citations50
US12316162B2May 27, 2025
Connection of a rotor shaft to a laminated core
HILTI AG0 citations50
US7320620B2Jan 22, 2008
Electrical network-powered hand-held power tool
HILTI AG0 citations50
US10675746B2Jun 9, 2020
Hand-held power tool housing
HILTI AG0 citations42
US7372180B2May 13, 2008
Electric motor with an air duct
HILTI AG1 citations42
US7772740B2Aug 10, 2010
Brush holder
HILTI AG0 citations40