Inventor
DERR ANDREAS
DE21 patents
⚠️ This page may combine multiple inventors who share the name “DERR ANDREAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TESTO AG
13 patentsUS6665174B1Dec 16, 2003
Control and display device
TESTO AG186 citations98
US6634494B1Oct 21, 2003
Watertight protective device for holding a measuring or display device
TESTO AG114 citations97
US6839238B2Jan 4, 2005
Module for measuring purposes
TESTO AG82 citations96
USD718161SNov 25, 2014
Portable measurement device
TESTO AG19 citations92
US7064816B2Jun 20, 2006
Refractometer
TESTO AG20 citations89
US7099147B2Aug 29, 2006
Control and display device
TESTO AG4 citations62
US7485864B2Feb 3, 2009
Radiometer, sighting device for a radiometer and method therefor
TESTO AG3 citations55
USD787959SMay 30, 2017
Measuring instrument
TESTO AG1 citations51
US7755345B2Jul 13, 2010
Measuring device with a plunge-in electrode
TESTO AG1 citations51
US7025516B2Apr 11, 2006
Multilayer printing material and the use thereof
TESTO AG0 citations51
US7764505B2Jul 27, 2010
Thermally stable and liquid-tight joint between a first ceramic, metal, or plastic component and a second ceramic, metal or plastic component, and the use of one such joint
TESTO AG0 citations47
US7604723B2Oct 20, 2009
Measuring device with penetrating electrode
TESTO AG0 citations41
US7318273B2Jan 15, 2008
Method for producing pH probes
TESTO AG0 citations41
TESTO GMBH & CO
4 patentsUS6068119AMay 30, 2000
Watertight protective device for holding a measuring or display device
TESTO GMBH & CO394 citations98
US6267018B1Jul 31, 2001
Measuring device
TESTO GMBH & CO7 citations73
USD421927SMar 28, 2000
Measuring instrument
TESTO GMBH & CO12 citations66
USD411807SJul 6, 1999
Anemometer/Hygrometer instrument
TESTO GMBH & CO4 citations62
TESTO SE & CO KGAA
3 patentsUSD1118702SMar 17, 2026
Vacuum pump
TESTO SE & CO KGAA0 citations62
US11274947B2Mar 15, 2022
Measurement device, design series, and use of a communication device
TESTO SE & CO KGAA0 citations62
US10459491B2Oct 29, 2019
Housing for an electronic device and assembly kit for a housing
TESTO SE & CO KGAA0 citations51