Karl Wefers

Person

Apollo, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Fiber reinforced aluminum matrix composite with improved interfacia...
- Patent number 5,435,374
- Issue date Jul 25, 1995
- Aluminum Company of America
- Maya Fishkis
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Adhesively bonded aluminum
- Patent number 5,324,587
- Issue date Jun 28, 1994
- Aluminum Company of America
- Gary A. Nitowski
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for increasing the wettability of aluminum metal to alumina...
- Patent number 5,286,560
- Issue date Feb 15, 1994
- Aluminum Company of America
- Maya Fishkis
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Twice-anodized aluminum article having an organo-phosphorus monolay...
- Patent number 5,277,788
- Issue date Jan 11, 1994
- Aluminum Company of America
- Gary A. Nitowski
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Food or beverage container or container panel
- Patent number 5,238,715
- Issue date Aug 24, 1993
- Aluminum Company of America
- Karl Wefers
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Phosphonic/phosphinic acid bonded to aluminum hydroxide layer
- Patent number 5,132,181
- Issue date Jul 21, 1992
- Aluminum Company of America
- Karl Wefers
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for making an adhesively bonded aluminum article
- Patent number 5,131,987
- Issue date Jul 21, 1992
- Aluminum Company of America
- Gary A. Nitowski
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Anodic phosphonic/phosphinic acid duplex coating on valve metal sur...
- Patent number 5,126,210
- Issue date Jun 30, 1992
- Aluminum Company of America
- Larry F. Wieserman
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Surface treated permeable inorganic membranes and process of making...
- Patent number 5,124,289
- Issue date Jun 23, 1992
- Aluminum Company of America
- Edward S. Martin
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of making a food or beverage container
- Patent number 5,103,550
- Issue date Apr 14, 1992
- Aluminum Company of America
- Karl Wefers
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method of making an anodic phosphate ester duplex coating on a valv...
- Patent number 5,102,507
- Issue date Apr 7, 1992
- Aluminum Company of America
- Larry F. Wieserman
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Phosphonic/phosphinic acid bonded to aluminum hydroxide layer
- Patent number 5,059,258
- Issue date Oct 22, 1991
- Aluminum Company of America
- Karl Wefers
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Chromatographic packing material comprising extended area metal oxi...
- Patent number 5,037,795
- Issue date Aug 6, 1991
- Aluminum Company of America
- Larry F. Wieserman
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Anodic phosphonic/phosphinic acid duplex coating on valve metal sur...
- Patent number 5,032,237
- Issue date Jul 16, 1991
- Aluminum Company of America
- Larry F. Wieserman
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Active material useful as adsorbent comprising metal oxide/hydroxid...
- Patent number 4,994,429
- Issue date Feb 19, 1991
- Aluminum Company of America
- Larry F. Wieserman
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Surface-modified adsorbent comprising metal oxide/hydroxide particl...
- Patent number 4,983,566
- Issue date Jan 8, 1991
- Aluminum Company of America
- Larry F. Wieserman
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Surface treated permeable inorganic membranes and method of making...
- Patent number 4,957,890
- Issue date Sep 18, 1990
- Aluminum Company of America
- Larry F. Wieserman
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Active material useful as adsorbent comprising metal oxide/hydroxid...
- Patent number 4,904,634
- Issue date Feb 27, 1990
- Aluminum Company of America
- Larry F. Wieserman
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of heat treatment
- Patent number 4,818,302
- Issue date Apr 4, 1989
- Aluminum Company of America
- Karl Wefers
- C21 - METALLURGY OF IRON
Information Patent Grant
Adsorbent comprising metal oxide/hydroxide particles reacted with o...
- Patent number 4,788,176
- Issue date Nov 29, 1988
- Aluminum Company of America
- Larry F. Wieserman
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Chromatographic packings comprising metal oxide/hydroxide reacted w...
- Patent number 4,786,628
- Issue date Nov 22, 1988
- Aluminum Company of America
- Larry F. Wieserman
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of making electrical connections using joint compound
- Patent number 4,784,707
- Issue date Nov 15, 1988
- Aluminum Company of America
- Karl Wefers
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method for inhibiting stains on aluminum product surfaces
- Publication number 20020011280
- Publication date Jan 31, 2002
- Gary A. Nitowski
- B82 - NANO-TECHNOLOGY

Karl Wefers

Person

Patents Grantslast 30 patents

Fiber reinforced aluminum matrix composite with improved interfacia...

Adhesively bonded aluminum

Method for increasing the wettability of aluminum metal to alumina...

Twice-anodized aluminum article having an organo-phosphorus monolay...

Food or beverage container or container panel

Phosphonic/phosphinic acid bonded to aluminum hydroxide layer

Process for making an adhesively bonded aluminum article

Anodic phosphonic/phosphinic acid duplex coating on valve metal sur...

Surface treated permeable inorganic membranes and process of making...

Method of making a food or beverage container

Method of making an anodic phosphate ester duplex coating on a valv...

Phosphonic/phosphinic acid bonded to aluminum hydroxide layer

Chromatographic packing material comprising extended area metal oxi...

Anodic phosphonic/phosphinic acid duplex coating on valve metal sur...

Active material useful as adsorbent comprising metal oxide/hydroxid...

Surface-modified adsorbent comprising metal oxide/hydroxide particl...

Surface treated permeable inorganic membranes and method of making...

Active material useful as adsorbent comprising metal oxide/hydroxid...

Method of heat treatment

Adsorbent comprising metal oxide/hydroxide particles reacted with o...

Chromatographic packings comprising metal oxide/hydroxide reacted w...

Method of making electrical connections using joint compound

Patents Applicationslast 30 patents

Method for inhibiting stains on aluminum product surfaces