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Frankfurt, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Self controllable regulator device
Patent number
5,796,608
Issue date
Aug 18, 1998
Hartmann & Braun AG.
Andreas Bunzemeier
G05 - CONTROLLING REGULATING
Information
Patent Grant
Method for positioning a pen in a recording device
Patent number
5,764,016
Issue date
Jun 9, 1998
Hartmann & Braun AG.
Arno Bruhn
G01 - MEASURING TESTING
Information
Patent Grant
Arrangement for positioning a pen in a recording device
Patent number
5,764,244
Issue date
Jun 9, 1998
Hartmann & Braun AG.
Arno Bruhn
G01 - MEASURING TESTING
Information
Patent Grant
Multi-channel recording device
Patent number
5,760,697
Issue date
Jun 2, 1998
Hartmann & Braun AG.
Arno Bruhn
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for measuring the total content of organic carbon and nit...
Patent number
5,459,075
Issue date
Oct 17, 1995
Hartmann & Braun AG
Walter Fabinski
G01 - MEASURING TESTING
Information
Patent Grant
Method for determining gas concentrations and gas sensor with a sol...
Patent number
5,403,452
Issue date
Apr 4, 1995
Hartmann & Braun
Bernd Hielscher
G01 - MEASURING TESTING
Information
Patent Grant
Gas discharge lamp having a water vapor enriched fill
Patent number
5,394,058
Issue date
Feb 28, 1995
Hartmann & Braun
Andrezej M. Rolski
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for spectroscopy using two Fabry-Perot interference filters
Patent number
5,357,340
Issue date
Oct 18, 1994
Hartmann & Braun
Michael Zochbauer
G01 - MEASURING TESTING
Information
Patent Grant
Interferometric analyzer for multiple substance detection
Patent number
5,218,422
Issue date
Jun 8, 1993
Hartmann & Braun
Michael Zoechbauer
G02 - OPTICS
Information
Patent Grant
Making a measuring chamber
Patent number
5,163,601
Issue date
Nov 17, 1992
Hartmann & Braun
Walter Fabinski
G01 - MEASURING TESTING
Information
Patent Grant
Load independent current feeding circuit
Patent number
5,138,248
Issue date
Aug 11, 1992
Hartmann & Braun AG
Reinhard Vogt
G05 - CONTROLLING REGULATING
Information
Patent Grant
Monitoring pressure interference in gas analyzers
Patent number
5,088,313
Issue date
Feb 18, 1992
Hartmann & Braun
Walter Fabinski
G01 - MEASURING TESTING
Information
Patent Grant
Sampling corrosive fluid
Patent number
5,085,087
Issue date
Feb 4, 1992
Hartmann & Braun AG
Gerhard Franck
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Calibrating a nondispersive infrared gas analyzer
Patent number
5,077,469
Issue date
Dec 31, 1991
Hartmann & Braun AG
Walter Fabinski
G01 - MEASURING TESTING
Information
Patent Grant
Interferometric device having a controllable Fabry-Perot
Patent number
5,059,026
Issue date
Oct 22, 1991
Hartmann & Braun AG.
Michael Zoechbauer
G01 - MEASURING TESTING
Information
Patent Grant
Calibration of nondispersive infrared photometer
Patent number
5,003,175
Issue date
Mar 26, 1991
Hartmann & Braun AG.
Walter Fabinski
G01 - MEASURING TESTING
Information
Patent Grant
Controllable interferometer
Patent number
4,999,013
Issue date
Mar 12, 1991
Hartmann & Braun AG.
Michael Zoechbauer
G01 - MEASURING TESTING
Information
Patent Grant
Measuring component concentration in a gas blend
Patent number
4,902,138
Issue date
Feb 20, 1990
Hartmann & Braun AG
Heinz-Dieter Goeldner
G01 - MEASURING TESTING
Information
Patent Grant
Measuring the concentration of two components in a gas blend
Patent number
4,879,245
Issue date
Nov 7, 1989
Hartmann & Braun AG
Alois Ruse
G01 - MEASURING TESTING
Information
Patent Grant
Photometer
Patent number
4,714,832
Issue date
Dec 22, 1987
Hartmann & Braun AG
Walter Fabinski
G01 - MEASURING TESTING
Information
Patent Grant
Photometer
Patent number
4,700,073
Issue date
Oct 13, 1987
Hartmann & Braun AG
Walter Fabinski
G01 - MEASURING TESTING
Information
Patent Grant
Infrared gas analyzer
Patent number
4,682,031
Issue date
Jul 21, 1987
Hartmann & Braun AG
Walter Fabinski
G01 - MEASURING TESTING
Information
Patent Grant
Photometer for measuring hot gases
Patent number
4,671,664
Issue date
Jun 9, 1987
Hartmann & Braun AG
Walter Fabinski
G01 - MEASURING TESTING
Information
Patent Grant
Monitoring plural process control stations
Patent number
4,581,701
Issue date
Apr 8, 1986
Hartmann & Braun AG.
Wilfried Hess
G05 - CONTROLLING REGULATING
Information
Patent Grant
Low-pressure, hollow cathode lamp
Patent number
4,578,618
Issue date
Mar 25, 1986
Hartmann & Braun AG
Michael Zochbauer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nondispersive infrared gas analyzer
Patent number
4,496,840
Issue date
Jan 29, 1985
Hartmann & Braun AG.
Walter Fabinski
G01 - MEASURING TESTING
Information
Patent Grant
Optical transmission system
Patent number
4,435,849
Issue date
Mar 6, 1984
Hartmann & Braun AG.
Herwig Ilgner
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Flowthrough chamber for nuclear radiation detection fluids
Patent number
4,301,370
Issue date
Nov 17, 1981
Hartmann & Braun AG
Peter Bauer
G01 - MEASURING TESTING
Information
Patent Grant
Electrochemical measuring cell
Patent number
4,202,748
Issue date
May 13, 1980
Hartmann & Braun AG.
Armin Kroneisen
G01 - MEASURING TESTING
Information
Patent Grant
Method for determining the inorganic carbon content of aqueous liquids
Patent number
4,063,891
Issue date
Dec 20, 1977
Bayer Aktiengesellschaft
Wolf-Jurgen Becker
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74393985 - H&B
Serial number
74393985
Registration number
1872287
Filing date
May 24, 1993
Hartmann & Braun AG.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74289340 - HARTMANN & BRAUN
Serial number
74289340
Registration number
1952117
Filing date
Jun 29, 1992
Hartmann & Braun AG.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74287724 - DATAVIS
Serial number
74287724
Registration number
1822409
Filing date
Jun 22, 1992
Hartmann & Braun AG.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74122290 - INTRANS
Serial number
74122290
Filing date
Dec 3, 1990
Hartmann & Braun AG
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74063139 - PROTRONIC
Serial number
74063139
Filing date
May 29, 1990
Hartmann & Braun AG
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74018846 - CONTRANS
Serial number
74018846
Registration number
1717574
Filing date
Jan 16, 1990
HARTMANN & BRAUN AG
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments