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Schwarzentfeld Opf, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Natural stone element for lining facades of buildings
Patent number
5,042,215
Issue date
Aug 27, 1991
Buchtal Gesellschaft mit beschrankter Haftung
Gottfried Cremer
E04 - BUILDING
Information
Patent Grant
Mold for producing tile-shaped floor elements for forming a double...
Patent number
4,993,208
Issue date
Feb 19, 1991
Buchtal Gesellschaft mit beschrankter Haftung
Martin Bard
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Covering for wall, ceiling or floor linings
Patent number
RE33529
Issue date
Jan 29, 1991
Buchtal Gesellschaft mit beschrankter Haftung
Gottfried Cremer
219 - Electric heating
Information
Patent Grant
Natural stone plate having holding elements provided on the side fa...
Patent number
4,976,082
Issue date
Dec 11, 1990
Buchtal Gesellschaft mit beschrankter Haftung
Martin Bard
E04 - BUILDING
Information
Patent Grant
Space heating element comprising a ceramic shaped body provided wit...
Patent number
4,868,899
Issue date
Sep 19, 1989
Buchtal Gesellschaft mit beschrankter Haftung
Martin Bard
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Covering for wall, ceiling or floor linings
Patent number
4,839,500
Issue date
Jun 13, 1989
Buchtal Gesellschaft mit beschrankter Haftung
Gottfried Cremer
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Space heating element having a ceramic body with an electrically re...
Patent number
4,833,300
Issue date
May 23, 1989
Buchtal Gesellschaft mit beschrankter Haftung
Martin Bard
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Large-format ceramic tile with holding elements provided on the sid...
Patent number
4,821,478
Issue date
Apr 18, 1989
Buchtal Gesellschaft mit beschrankter Haftung
Gottfried Cremer
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Double floor construction
Patent number
4,821,484
Issue date
Apr 18, 1989
Buchtal Gesellschaft mit beschrankter Haftung
Gottfried Cremer
E04 - BUILDING
Information
Patent Grant
Large-format thin-walled ceramic tile
Patent number
4,815,248
Issue date
Mar 28, 1989
Buchtal Gesellschaft mit beschrankter Haftung
Martin Bard
E04 - BUILDING
Information
Patent Grant
Unglazed ceramic tile-shaped article
Patent number
4,806,420
Issue date
Feb 21, 1989
Buchtal Gesellschaft mit beschrankter Haftung
Martin Bard
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Tile-like ceramic element having an electrically conductive surface...
Patent number
4,790,110
Issue date
Dec 13, 1988
Buchtal Gesellschaft mit beschrankter Haftung
Martin Bard
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Waterproof floor formation
Patent number
4,633,633
Issue date
Jan 6, 1987
Buchtal Gesellschaft mit beschrankter Haftung
Martin Bard
E04 - BUILDING
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last 30 patents
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