Ulf R. Hjelmner

Follow

Person

Nynashamn, SE

People

Patents Grantslast 30 patents

Information Patent Grant
Filtration process and apparatus
- Patent number 5,698,106
- Issue date Dec 16, 1997
- Nordic Water Products AB
- Hans Larsson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for separating pollutants from liquid
- Patent number 4,246,102
- Issue date Jan 20, 1981
- Rederiaktiebolaget Nordstjernan
- Ulf R. Hjelmner
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus for the filtration of a suspension or emulsion
- Patent number 4,197,201
- Issue date Apr 8, 1980
- Rederiaktiebolaget Nordstjernan
- Ulf R. Hjelmner
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for the filtration of a suspension or emulsion
- Patent number 4,126,546
- Issue date Nov 21, 1978
- Rederiaktiebolaget Nordstjernan
- Ulf R. Hjelmner
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL