Ralph E. Roper, JR.

Follow

Person

Carmel, IN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Calcium-sodium polysulfide chemical reagent and production methods
- Patent number 7,938,766
- Issue date May 10, 2011
- Heritage Environmental Services, LLC
- Ralph E. Roper, Jr.
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Calcium-sodium polysulfide chemical reagent and production methods
- Patent number 7,767,188
- Issue date Aug 3, 2010
- Heritage Environmental Services, LLC
- Ralph E. Roper, Jr.
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Calcium-sodium polysulfide chemical reagent and production methods
- Patent number 7,534,413
- Issue date May 19, 2009
- Heritage Environment Services, LLC
- Ralph E. Roper, Jr.
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Method for chemically stabilizing waste materials containing multiv...
- Patent number 7,144,362
- Issue date Dec 5, 2006
- Heritage Environmental Servicers, LLC
- Ralph E. Roper, Jr.
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Calcium-sodium polysulfide chemical reagent and production methods
- Publication number 20090270671
- Publication date Oct 29, 2009
- Heritage Environmental Services, LLC
- Ralph E. Roper, JR.
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Calcium-sodium ploysulfide chemical reagent and production methods
- Publication number 20090202424
- Publication date Aug 13, 2009
- Heritage Environmental Services, LLC
- Ralph E. Roper, JR.
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...