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Alfred Lipp
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Bad Worishofen, DE
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last 30 patents
Information
Patent Grant
Process for preparation of dense molded bodies of polycrystalline a...
Patent number
4,908,173
Issue date
Mar 13, 1990
Karl-Alexander Schwetz
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Pressure-sintered polycpystalline mixed materials with a base of he...
Patent number
4,885,264
Issue date
Dec 5, 1989
Elektroschmelzwerk Kempten GmbH
Peter Sindlhauser
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Polycrystalline sintered articles based on silicon nitride and sint...
Patent number
4,814,301
Issue date
Mar 21, 1989
Elektroschmelzwerk Kempten GmbH
Detlef Steinmann
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Dense molded bodies of polycrystalline aluminum nitride and process...
Patent number
4,803,183
Issue date
Feb 7, 1989
Elektroschmelzwerk Kempten GmbH
Karl-Alexander Schwetz
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Polycrystalline sintered bodies on a base of silicon nitride with h...
Patent number
4,743,571
Issue date
May 10, 1988
Elektroschmelzwerk Kempten GmbH
Detlef Steinmann
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Thermoelement comprising a graphite/boron carbide thermocouple
Patent number
4,732,620
Issue date
Mar 22, 1988
Elektroschmelzwerk Kempten GmbH
Klaus Hunold
G01 - MEASURING TESTING
Information
Patent Grant
Process for the manufacture of shaped articles from reaction-bonded...
Patent number
4,687,655
Issue date
Aug 18, 1987
Elektroschmelzwerk Kempten GmbH
Klaus Hunold
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Ceramic bonded neutron absorber plates of boron carbide and free ca...
Patent number
4,684,480
Issue date
Aug 4, 1987
Elektroschmelzwerk Kempten GmbH
Alfred Lipp
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Polycrystalline sintered bodies based on lanthanum hexaboride, and...
Patent number
4,661,740
Issue date
Apr 28, 1987
Elektroschmelzwerk Kempten GmbH
Heinrich Knoch
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Dense shaped articles consisting of polycrystalline hexagonal boron...
Patent number
4,634,640
Issue date
Jan 6, 1987
Elektroschmelzwerk Kempten GmbH
Klaus Hunold
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Polycrystalline sintered compacts based on europium hexaboride and...
Patent number
4,614,724
Issue date
Sep 30, 1986
Elektroschmelzwerk Kempten GmbH
Heinrich Knoch
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Shaped polycrystalline silicon carbide articles and isostatic hot-p...
Patent number
4,564,601
Issue date
Jan 14, 1986
Elektroschmelzwerk Kempten GmbH
Jochen Kriegesmann
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Substantially pore-free shaped articles of polycrystalline silicon...
Patent number
4,560,668
Issue date
Dec 24, 1985
Elektroschmelzwerk Kempten GmbH
Klaus Hunold
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Refractory, electrically conductive, mixed materials containing bor...
Patent number
4,528,120
Issue date
Jul 9, 1985
Elektroschmelzwerk Kempten GmbH
Klaus Hunold
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Dense shaped articles consisting of polycrystalline hexagonal boron...
Patent number
4,495,123
Issue date
Jan 22, 1985
Elektroschmelzwerk Kempten GmbH
Klaus Hunold
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Dense shaped articles of polycrystalline .alpha.-silicon carbide an...
Patent number
4,467,043
Issue date
Aug 21, 1984
Elektroschmelzwerk Kempten GmbH
Jochen Kriegesmann
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for the manufacture of substantially pore-free shaped polyc...
Patent number
4,381,931
Issue date
May 3, 1983
Elektroschmelzwerk Kempten GmbH
Klaus Hunold
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for the manufacture of substantially pore-free shaped polyc...
Patent number
4,351,858
Issue date
Sep 28, 1982
Elektroschmelzwerk Kempten GmbH
Klaus Hunold
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Dense shaped articles of polycrystalline .beta.-silicon carbide and...
Patent number
4,326,039
Issue date
Apr 20, 1982
Elektroschmelzwerk Kempten GmbH
Jochen Kriegesmann
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Neutron absorber based on boron carbide and carbon and a process fo...
Patent number
4,252,691
Issue date
Feb 24, 1981
Elektroschmelzwerk Kempten GmbH
Alfred Lipp
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Dense sintered shaped articles of polycrystalline .alpha.-silicon c...
Patent number
4,230,497
Issue date
Oct 28, 1980
Elektroschmelzwerk Kempten GmbH
Karl A. Schwetz
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for the production of oxygen-free copper casting and moldings
Patent number
4,118,256
Issue date
Oct 3, 1978
Electroschmelzwerk Kempten GmbH
Karlheinz G. Schmitt-Thomas
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Manufacture of hexagonal boron nitride
Patent number
4,107,276
Issue date
Aug 15, 1978
Elektroschmelzwerk Kempten GmbH
Karl Alex Schwetz
C01 - INORGANIC CHEMISTRY