Overall more than 40 patent applications
DE 4 136 779
Apparatus for simultaneous determination of different gas components.
DE 4 138 242
Portable photometric device for rapid gas analysis during fires – has number of channels for simultaneous determination of light intensity in number of wavelength regions, display elements, etc.
DE 4 143 092
Device for measuring traces of gas.
DE 4 318 891
Electrochemical analyser for gas traces with functioning check.
DE 4 312 124
Electrochemical gas detector.
EP 94250041
Reference electrode and method of making the same .
DE 4 312 126
Gas diffusion electrode for electrochemical cells.
DE 4 322 274
Personal dosimetric plate for workers’ protection.
DE 4 319 573
Electrochemical sensor.
DE 4 329 226
Method of making a catalytically active gas diffusion electrode for electrochemical cells.
EP 0 801 977
Chemical reactor with magnetic stirrer.
US 6 423 209
Acid gas measuring sensors and method of using same.

Publications
Fabrication of 25nm gold-bridges and observation of ballistic and quantum interference effects.
J.Vac:ScienceTechnology B9 (6)
Nov/Dec 1991: Page 2904 - 2907
Hydrogen-(H2)-Breath analysis in gastroenterologic functional diagnostic: validation of a portable-H2-Breath analysis instrument.
Z Gastoenterol 1993; 31
Page 242-245