Stephen C. Stelpstra

Person

Tucson, AZ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Sack-based processes for recovering oil floating on water
- Patent number 7,229,560
- Issue date Jun 12, 2007
- Abtech Industries, Inc.
- Glenn R. Rink
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of making and using a filter in the form of a block of agglo...
- Patent number 7,094,338
- Issue date Aug 22, 2006
- Abtech Industries, Inc.
- James F. Morris
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Process of forming oil-absorbent bodies
- Patent number 7,048,878
- Issue date May 23, 2006
- Abtech Industries, Inc.
- Glenn R. Rink
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Systems for ameliorating aqueous hydrocarbon spills
- Patent number 6,723,791
- Issue date Apr 20, 2004
- Abtech Industries, Inc.
- Glenn R. Rink
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer alloys, morphology and materials for environmental remediation
- Patent number 6,541,569
- Issue date Apr 1, 2003
- Abtech Industries, Inc.
- James F. Morris
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Suspended runoff water filter
- Patent number 6,531,059
- Issue date Mar 11, 2003
- Abtech Industries, Inc.
- James F. Morris
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Systems for ameliorating aqueous hydrocarbon spills
- Patent number 6,344,519
- Issue date Feb 5, 2002
- Abtech Industries, Inc.
- Glenn R. Rink
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Curb-inlet storm drain systems for filtering trash and hydrocarbons
- Patent number 6,231,758
- Issue date May 15, 2001
- Abtech Industries, Inc.
- James F. Morris
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Curb-inlet storm drain systems for filtering trash and hydrocarbons
- Patent number 6,106,707
- Issue date Aug 22, 2000
- Abtech Industries, Inc.
- James F. Morris
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Catchbasin systems for filtering hydrocarbon spills
- Patent number 6,099,723
- Issue date Aug 8, 2000
- Abtech Industries, Inc.
- James F. Morris
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Storm drain systems for filtering trash and hydrocarbons
- Patent number 6,080,307
- Issue date Jun 27, 2000
- Abtech Industries, Inc.
- James F. Morris
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
Sack-based systems and processes for recovering oil floating on water
- Publication number 20050151289
- Publication date Jul 14, 2005
- Glenn R. Rink
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process of forming oil-absorbent bodies
- Publication number 20030225211
- Publication date Dec 4, 2003
- Glenn R. Rink
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Suspended runoff water filter
- Publication number 20030127380
- Publication date Jul 10, 2003
- James F. Morris
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Systems for ameliorating aqueous hydrocarbon spills
- Publication number 20020165318
- Publication date Nov 7, 2002
- Glenn R. Rink
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Stephen C. Stelpstra

Person

Patents Grantslast 30 patents

Sack-based processes for recovering oil floating on water

Method of making and using a filter in the form of a block of agglo...

Process of forming oil-absorbent bodies

Systems for ameliorating aqueous hydrocarbon spills

Polymer alloys, morphology and materials for environmental remediation

Suspended runoff water filter

Systems for ameliorating aqueous hydrocarbon spills

Curb-inlet storm drain systems for filtering trash and hydrocarbons

Curb-inlet storm drain systems for filtering trash and hydrocarbons

Catchbasin systems for filtering hydrocarbon spills

Storm drain systems for filtering trash and hydrocarbons

Patents Applicationslast 30 patents

Sack-based systems and processes for recovering oil floating on water

Process of forming oil-absorbent bodies

Suspended runoff water filter

Systems for ameliorating aqueous hydrocarbon spills