Inventor
SEIFERT HELMUT
27 patents
⚠️ This page may combine multiple inventors who share the name “SEIFERT HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HILTI AG
9 patentsUS7023531B2Apr 4, 2006
Laser distance measuring device with phase delay measurement
HILTI AG66 citations98
US6917415B2Jul 12, 2005
Method of and apparatus for electro-optical distance measurement
HILTI AG83 citations98
US6950639B2Sep 27, 2005
Local oscillator for generating an HF signal for direct mixing by using avalanche photodiodes
HILTI AG23 citations92
US6781675B2Aug 24, 2004
Electro-optical para-axial distance measuring system
HILTI AG27 citations91
US9261362B2Feb 16, 2016
Measuring device for distance measurement
HILTI AG12 citations83
US7456936B2Nov 25, 2008
Electro-optical hand-held distance measuring instrument
HILTI AG11 citations83
US7940378B2May 10, 2011
Hand-held laser distance measuring device with a pulse reflection mixing method
HILTI AG5 citations63
US7548829B2Jun 16, 2009
Hand-held pulse laser distance measuring device
HILTI AG5 citations63
US7714990B2May 11, 2010
Hand-held laser distance measuring device with a pulse reflection mixing method
HILTI AG1 citations52
REPA FEINSTANZWERK GMBH
8 patentsUS4258887AMar 31, 1981
Safety belt roll-up device
REPA FEINSTANZWERK GMBH11 citations74
US4369932AJan 25, 1983
Automatic wind-up roller for a safety belt
REPA FEINSTANZWERK GMBH8 citations73
US4366934AJan 4, 1983
Roll-up device for safety belt
REPA FEINSTANZWERK GMBH17 citations73
US4307852ADec 29, 1981
Roll-up device for safety belt
REPA FEINSTANZWERK GMBH16 citations73
US4277036AJul 7, 1981
Automatic wind-up roller for a safety belt
REPA FEINSTANZWERK GMBH9 citations73
US4618165AOct 21, 1986
Deflection device for safety belts
REPA FEINSTANZWERK GMBH13 citations72
US4318552AMar 9, 1982
Deflection device for safety belts
REPA FEINSTANZWERK GMBH7 citations72
US4508286AApr 2, 1985
Deflection device for safety belts
REPA FEINSTANZWERK GMBH3 citations61
GOGOLLA TORSTEN
4 patentsUS9310197B2Apr 12, 2016
Measuring device for measuring distance
GOGOLLA TORSTEN48 citations92
US8767188B2Jul 1, 2014
Measuring device for distance measurement
GOGOLLA TORSTEN8 citations82
US8467036B2Jun 18, 2013
Laser instrument for electro-optical distance measurement
GOGOLLA TORSTEN3 citations61
US8068215B2Nov 29, 2011
Laser distance meter
GOGOLLA TORSTEN2 citations61