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Company Information:

Company Name:
Dufresne-henry Inc.
Address:
Precision Park
North Springfield, VT 05150
Phone:
N/A
URL:
N/A
EIN:
N/A
DUNS:
N/A
Number of Employees:
N/A
Woman-Owned?:
No
Minority-Owned?:
No
HUBZone-Owned?:
No

Commercialization:

Has been acquired/merged with?:
N/A
Has had Spin-off?:
N/A
Has Had IPO?:
N/A
Year of IPO:
N/A
Has Patents?:
N/A
Number of Patents:
N/A
Total Sales to Date $:
$ 0.00
Total Investment to Date $
$ 0.00
POC Title:
N/A
POC Name:
N/A
POC Phone:
N/A
POC Email:
N/A
Narrative:
N/A

Award Totals:

Program/Phase Award Amount ($) Number of Awards
SBIR Phase I $89,969.00 2
SBIR Phase II $187,000.00 1

Award List:

COMPACT BIOLOGIC FILTER SYSTEM FOR INDIVIDUAL AND SMALL WATER SUPPLIES

Award Year / Program / Phase:
1984 / SBIR / Phase I
Award Amount:
$40,000.00
Agency:
NSF
Principal Investigator:
Dr. Gordon R. Pyper , Managing Director
Abstract:
N/a

COMPACT BIOLOGIC FILTER SYSTEM FOR INDIVIDUAL AND SMALL WATER SUPPLIES

Award Year / Program / Phase:
1986 / SBIR / Phase II
Award Amount:
$187,000.00
Agency:
NSF
Principal Investigator:
Dr. Gordon R. Pyper , Managing Director
Abstract:
Feasibility of shallow depth compact slow sand filter to treat drinking water for small and home water systems is investigated. shallow sand layers supported and covered with selected geofilter cloth examined to determine feasibility of such an approach. the project objectives are: 1. identify… More

FEASIBILITY OF USING AERATION PRETREATMENT BEFORE WATER IS APPLIED TO SLOW SAND FILTERS.

Award Year / Program / Phase:
1986 / SBIR / Phase I
Award Amount:
$49,969.00
Agency:
EPA
Principal Investigator:
Abstract:
Feasibility of using aeration pretreatment before water is applied to slow sand filters. a simple aeration-settling system is examined to determined if the system develops a settleable biologic floc, provides treatment and regulates dissolved oxygen (do). the system is examined to determine the… More