David A. Hopkin

Follow

Person

Victoria, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Centrifugal reverse-osmosis desalination unit incorporating an annu...
- Patent number 6,132,613
- Issue date Oct 17, 2000
- Her Majesty the Queen in right of Canada, as represented by the Minister of N...
- David A. Hopkin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Centrifugal reverse-osmosis desalination unit
- Patent number 4,886,597
- Issue date Dec 12, 1989
- Her Majesty the Queen in right of Canada
- Peter M. Wild
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL