John S. Roulston

Person

Lompoc, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Filter aids made from low permeability diatomites
- Patent number 8,410,017
- Issue date Apr 2, 2013
- Imerys Filtration Minerals, Inc.
- George Asante Nyamekye
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Unexpanded perlite ore polishing composition and methods
- Patent number 7,303,600
- Issue date Dec 4, 2007
- Advanced Minerals Corporation
- John S. Roulston
- B24 - GRINDING POLISHING
Information Patent Grant
Filterable composite adsorbents
- Patent number 6,712,974
- Issue date Mar 30, 2004
- Advanced Minerals Corporation
- Scott K. Palm
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Perlite products with controlled particle size distribution
- Patent number 6,712,898
- Issue date Mar 30, 2004
- Advanced Minerals Corporation
- Scott K. Palm
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Advanced composite media
- Patent number 6,524,489
- Issue date Feb 25, 2003
- Advanced Minerals Corporation
- Scott K. Palm
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Perlite products with controlled particle size distribution
- Patent number 6,464,770
- Issue date Oct 15, 2002
- Advanced Minerals Corporation
- Scott K. Palm
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of mechanically separating microparticles suspended in fluid...
- Patent number 6,140,040
- Issue date Oct 31, 2000
- Advanced Minerals Corporation
- Scott K. Palm
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Advanced composite filtration media
- Patent number 5,776,353
- Issue date Jul 7, 1998
- Advanced Minerals Corporation
- Scott K. Palm
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
HIGH DENSITY PERLITE FILTER AID
- Publication number 20200206665
- Publication date Jul 2, 2020
- Imerys Filtration Minerals, Inc.
- John ROULSTON
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTER AIDS MADE FROM LOW PERMEABILITY DIATOMITES
- Publication number 20100248953
- Publication date Sep 30, 2010
- World Minerals, Inc.
- George Asante Nyamekye
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
MINERAL ORE EXPANSION USING MICROWAVE ENERGY
- Publication number 20100107931
- Publication date May 6, 2010
- World Minerals, Inc.
- John S. Roulston
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Perlite products with controlled particle size distribution
- Publication number 20040099184
- Publication date May 27, 2004
- Scott K. Palm
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Filterable composite adsorbents
- Publication number 20040055957
- Publication date Mar 25, 2004
- Scott K. Palm
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
Unexpanded perlite ore polishing composition and methods
- Publication number 20030224702
- Publication date Dec 4, 2003
- John S. Roulston
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Unexpanded perlite ore polishing composition and methods
- Publication number 20030203337
- Publication date Oct 30, 2003
- John S. Roulston
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Perlite products with controlled particle size distribution
- Publication number 20030127022
- Publication date Jul 10, 2003
- Scott K. Palm
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

John S. Roulston

Person

Patents Grantslast 30 patents

Filter aids made from low permeability diatomites

Unexpanded perlite ore polishing composition and methods

Filterable composite adsorbents

Perlite products with controlled particle size distribution

Advanced composite media

Perlite products with controlled particle size distribution

Method of mechanically separating microparticles suspended in fluid...

Advanced composite filtration media

Patents Applicationslast 30 patents

HIGH DENSITY PERLITE FILTER AID

FILTER AIDS MADE FROM LOW PERMEABILITY DIATOMITES

MINERAL ORE EXPANSION USING MICROWAVE ENERGY

Perlite products with controlled particle size distribution

Filterable composite adsorbents

Unexpanded perlite ore polishing composition and methods

Unexpanded perlite ore polishing composition and methods

Perlite products with controlled particle size distribution