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Eltec Instrument A.G.
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Wallisellen-Zurich, CH
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Patents Grants
last 30 patents
Information
Patent Grant
Optical radiation detector with wide field-of-view
Patent number
5,227,632
Issue date
Jul 13, 1993
Eltec Instruments, Inc.
Douglas S. Armstrong
G08 - SIGNALLING
Information
Patent Grant
Radiation detection method and apparatus
Patent number
5,007,432
Issue date
Apr 16, 1991
Eltec Instruments, Inc.
Hans J. Keller
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Catoptric differential sensing device
Patent number
5,006,712
Issue date
Apr 9, 1991
Eltec Instruments, Inc.
Hans J. Keller
G08 - SIGNALLING
Information
Patent Grant
Domed segmented lens systems
Patent number
4,930,864
Issue date
Jun 5, 1990
Eltec Instruments, Inc.
Walter Kuster
G08 - SIGNALLING
Information
Patent Grant
Pyroelectric sensor with high sensitivity
Patent number
4,868,390
Issue date
Sep 19, 1989
Eltec Instruments, Inc.
Hans J. Keller
G01 - MEASURING TESTING
Information
Patent Grant
Radiation detector with asymmetrical pattern
Patent number
4,523,095
Issue date
Jun 11, 1985
Eltec Instrument A.G.
Christiane Keller-Steinbach
G08 - SIGNALLING
Information
Patent Grant
High output differential pyroelectric sensor
Patent number
4,441,023
Issue date
Apr 3, 1984
Eltec Instruments, Inc.
Alan P. Doctor
G08 - SIGNALLING
Information
Patent Grant
Differential pyroelectric sensor with static discharge
Patent number
4,437,003
Issue date
Mar 13, 1984
Eltec Instruments, Inc.
Alan P. Doctor
G01 - MEASURING TESTING
Information
Patent Grant
Differential pyroelectric detector
Patent number
4,384,207
Issue date
May 17, 1983
Eltec Instruments, Inc.
Alan P. Doctor
G08 - SIGNALLING
Information
Patent Grant
Pyroelectric detector
Patent number
4,326,663
Issue date
Apr 27, 1982
Eltec Instruments, Inc.
Friedrich H. Oettel
G01 - MEASURING TESTING
Information
Patent Grant
Pyroelectric detector having improved suspension means
Patent number
4,218,620
Issue date
Aug 19, 1980
Eltec Instruments, Inc.
Friedrich H. Oettel
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73636123 - IR-EYE
Serial number
73636123
Filing date
Dec 19, 1986
Eltec Instruments, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73636252 - INFRALERT
Serial number
73636252
Registration number
1450534
Filing date
Dec 19, 1986
Eltec Instruments, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73314597 - E
Serial number
73314597
Registration number
1261513
Filing date
Jun 15, 1981
Eltec Instruments, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments