Edward A. Burkard

Person

East Amherst, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Gypsum set accelerator and method of making the same
- Patent number 6,221,151
- Issue date Apr 24, 2001
- National Gypsum Company
- Frank H. Campbell
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Cementitious gypsum-containing binders and compositions and materia...
- Patent number 5,858,083
- Issue date Jan 12, 1999
- National Gypsum Company
- Elisha Stav
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Cementitious gypsum-containing compositions and materials made ther...
- Patent number 5,718,759
- Issue date Feb 17, 1998
- National Gypsum Company
- Elisha Stav
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Cementitious gypsum-containing compositions and materials made ther...
- Patent number 5,685,903
- Issue date Nov 11, 1997
- National Gypsum Company
- Elisha Stav
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Gypsum backer board
- Patent number 4,948,647
- Issue date Aug 14, 1990
- National Gypsum Company
- Edward A. Burkard
- B32 - LAYERED PRODUCTS
Information Patent Grant
Fire-resistant gypsum board
- Patent number 4,564,544
- Issue date Jan 14, 1986
- National Gypsum Company
- Edward A. Burkard
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Manufacture of gypsum board from FGD gypsum
- Patent number 4,502,901
- Issue date Mar 5, 1985
- National Gypsum Company
- Edward A. Burkard
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Foamed gypsum wallboard
- Patent number 4,057,443
- Issue date Nov 8, 1977
- National Gypsum Company
- Rodney A. Stiling
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Gypsum set accelerator
- Patent number 4,019,920
- Issue date Apr 26, 1977
- National Gypsum Company
- Edward A. Burkard
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Cementitious panel with basalt fiber reinforced major surface(s)
- Publication number 20020090871
- Publication date Jul 11, 2002
- Charles Stokes Ritchie
- E04 - BUILDING

Edward A. Burkard

Person

Patents Grantslast 30 patents

Gypsum set accelerator and method of making the same

Cementitious gypsum-containing binders and compositions and materia...

Cementitious gypsum-containing compositions and materials made ther...

Cementitious gypsum-containing compositions and materials made ther...

Gypsum backer board

Fire-resistant gypsum board

Manufacture of gypsum board from FGD gypsum

Foamed gypsum wallboard

Gypsum set accelerator

Patents Applicationslast 30 patents

Cementitious panel with basalt fiber reinforced major surface(s)