Hans Olsen

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2930 Klampenborg, DK

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Patents Grantslast 30 patents

Information Patent Grant
Filtration medium
- Patent number 5,690,823
- Issue date Nov 25, 1997
- John Reipur
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter backwashing system using moveable member responsive to closi...
- Patent number 5,234,605
- Issue date Aug 10, 1993
- John Reipur
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Brush head, a method and a machine for manufacturing thereof
- Patent number 5,052,419
- Issue date Oct 1, 1991
- Professional Dental Technologies, Inc.
- Hans Olsen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Brush head, a method and a machine for manufacturing thereof
- Patent number 4,869,277
- Issue date Sep 26, 1989
- Aktiebolaget Svensk Eldental
- Hans Olsen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL