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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for producing blank-molded glass bodies for op...
Patent number
5,713,975
Issue date
Feb 3, 1998
Deutsche Spezialglas AG
Gunter Schonfeld
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Ophthalmic glass of high refractive index
Patent number
5,565,389
Issue date
Oct 15, 1996
Deutsche Spezialglas AG
Reinhard Kassner
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Ophthalmic glass of high refractive index
Patent number
5,548,353
Issue date
Aug 20, 1996
Deutsche Spezialglas AG
Reinhard Kassner
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
High-refractive index phototropic glass
Patent number
5,424,255
Issue date
Jun 13, 1995
Deutsche Spezialglas AG
Reinhard Kassner
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Rearview mirror
Patent number
5,267,081
Issue date
Nov 30, 1993
Deutsche Spezialglas AG
Andreas Pein
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Highly refractive, low-density, phototropic glass
Patent number
5,217,927
Issue date
Jun 8, 1993
Deutsche Spezialglas Aktiengesellschaft
Werner Behr
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Highly refractive, low-density, phototropic glass
Patent number
5,104,831
Issue date
Apr 14, 1992
Deutsche Spezialglas Aktiengesellschaft
Werner Behr
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Dark blue dyed furnace sight glass with high infrared absorption
Patent number
4,525,462
Issue date
Jun 25, 1985
Deutsche Spezialglas AG
Werner Behr
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Flashed glass
Patent number
4,473,612
Issue date
Sep 25, 1984
Deutsche Spezialglas AG
Werner Behr
C03 - GLASS MINERAL OR SLAG WOOL
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
75358782 - ARTISTA
Serial number
75358782
Registration number
2221401
Filing date
Sep 17, 1997
Deutsche Spezialglas AG
21 - Household or kitchen utensils and containers
Information
Trademark
74524081 - CRYSTALVIEW
Serial number
74524081
Filing date
May 12, 1994
Deutsche Spezialglas AG
21 - Household or kitchen utensils and containers
Information
Trademark
74300286 - COLORESCENT
Serial number
74300286
Registration number
1761415
Filing date
Jul 30, 1992
Deutsche Spezialglas AG
21 - Household or kitchen utensils and containers
Information
Trademark
74024809 - AT
Serial number
74024809
Registration number
1643427
Filing date
Feb 1, 1990
Deutsche Spezialglas AG
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73767262 - ASPHERIX
Serial number
73767262
Registration number
1545301
Filing date
Dec 5, 1988
DEUTSCHE SPEZIALGLAS AG
12 - Vehicles
Information
Trademark
73726881 - MIROMATIC
Serial number
73726881
Registration number
1517137
Filing date
May 6, 1988
DEUTSCHE SPEZIALGLAS AG
12 - Vehicles
Information
Trademark
73696307 - UVILEX
Serial number
73696307
Registration number
1498427
Filing date
Nov 19, 1987
DEUTSCHE SPEZIALGLAS AG
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73426925 - NEOTHERM
Serial number
73426925
Registration number
1285101
Filing date
May 20, 1983
Deutsche Spezialglas AG
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments