Charles W. Cochran

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Elkhorn, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Gypsum board from gypsum having high level of chloride salt and a s...
- Patent number 11,186,067
- Issue date Nov 30, 2021
- United States Gypsum Company
- Qinghua Li
- B32 - LAYERED PRODUCTS
Information Patent Grant
Wallboard score, snap and edge appearance test procedure
- Patent number 11,029,139
- Issue date Jun 8, 2021
- United States Gypsum Company
- Jerry D. Wonderlich
- G01 - MEASURING TESTING
Information Patent Grant
Joint tape embedding apparatus, system, and method
- Patent number 10,422,144
- Issue date Sep 24, 2019
- United States Gypsum Company
- David D. Pelot
- B44 - DECORATIVE ARTS
Information Patent Grant
Bench top board scoring device
- Patent number 10,124,503
- Issue date Nov 13, 2018
- United States Gypsum Company
- William J. Rago
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
GYPSUM BOARD FROM GYPSUM HAVING HIGH LEVEL OF CHLORIDE SALT AND A S...
- Publication number 20200055278
- Publication date Feb 20, 2020
- United States Gypsum Company
- Qinghua LI
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
GYPSUM BOARD FROM GYPSUM HAVING HIGH LEVEL OF CHLORIDE SALT AND A P...
- Publication number 20200055277
- Publication date Feb 20, 2020
- United States Gypsum Company
- Mark HEMPHILL
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
WALLBOARD SCORE, SNAP AND EDGE APPEARANCE TEST PROCEDURE
- Publication number 20200033111
- Publication date Jan 30, 2020
- United States Gypsum Company
- Jerry D. WONDERLICH
- G01 - MEASURING TESTING
Information Patent Application
JOINT TAPE EMBEDDING APPARATUS, SYSTEM, AND METHOD
- Publication number 20190100927
- Publication date Apr 4, 2019
- United States Gypsum Company
- David D. PELOT
- B44 - DECORATIVE ARTS
Information Patent Application
BENCH TOP BOARD SCORING DEVICE
- Publication number 20180215059
- Publication date Aug 2, 2018
- United States Gypsum Company
- William J. RAGO
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
METHOD AND APPARATUS FOR TESTING SLURRY PENETRATION THROUGH MAT FAC...
- Publication number 20110030453
- Publication date Feb 10, 2011
- Michael P. Shake
- G01 - MEASURING TESTING