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Charles E. Cornwell
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Alexandria, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Sound absorbing cementitious composition and method of making same
Patent number
5,824,148
Issue date
Oct 20, 1998
Charles E. Cornwell
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Foamed cementitious composition and method of making
Patent number
5,250,578
Issue date
Oct 5, 1993
Charles E. Cornwell
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Hydraulic cement composition and method for use as protective coati...
Patent number
4,495,228
Issue date
Jan 22, 1985
Charles E. Cornwell
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for mixing, spraying and placing cementitious materials
Patent number
4,390,371
Issue date
Jun 28, 1983
Charles E. Cornwell
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
High temperature cementitious coatings with improved corrosion resi...
Patent number
4,355,060
Issue date
Oct 19, 1982
Charles E. Cornwell
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method of producing stabilized aqueous dispersions of silica fume
Patent number
4,321,243
Issue date
Mar 23, 1982
Charles E. Cornwell
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Compositions of cementitious mortar, grout and concrete
Patent number
4,310,486
Issue date
Jan 12, 1982
Charles E. Cornwell
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Shaped articles of hydraulic cement compositions having a reflectiv...
Patent number
4,098,755
Issue date
Jul 4, 1978
Mark Plunguian
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Cementitious coatings and method
Patent number
4,088,804
Issue date
May 9, 1978
Charles E. Cornwell
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Shaped articles of hydraulic cement compositions with a glossy refl...
Patent number
4,088,808
Issue date
May 9, 1978
Charles E. Cornwell
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Cellular cementitious compositions and method of producing same
Patent number
4,077,809
Issue date
Mar 7, 1978
Mark Plunguian
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Cementitious sound absorbing panels and sound absorbing sprayed wal...
Patent number
4,042,745
Issue date
Aug 16, 1977
Charles E. Cornwell
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
System of continuous dustless mixing and aerating and a method comb...
Patent number
4,039,170
Issue date
Aug 2, 1977
Charles E. Cornwell
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Shaped articles of hydraulic cement compositions having a reflectiv...
Patent number
4,036,839
Issue date
Jul 19, 1977
Mark Plunguian
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Mixing and aerating device
Patent number
4,007,920
Issue date
Feb 15, 1977
Mark Plunguian
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Shaped articles of hydraulic cement compositions and method of maki...
Patent number
3,995,086
Issue date
Nov 30, 1976
Mark Plunguian
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Foamed cementitious compositions and method of producing same
Patent number
3,989,534
Issue date
Nov 2, 1976
Mark Plunguian
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Dustless mixing apparatus and method for combining materials
Patent number
3,967,815
Issue date
Jul 6, 1976
James H. Backus
B28 - WORKING CEMENT, CLAY, OR STONE