Leif Hojslet Christensen

Person

Roskilde, DK

People

Patents Grantslast 30 patents

Information Patent Grant
Direct alcohol fuel cell
- Patent number 12,218,388
- Issue date Feb 4, 2025
- Widex A/S
- Torsten Lund-Olesen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Direct alcohol fuel cell
- Patent number 12,068,512
- Issue date Aug 20, 2024
- Widex A/S
- Torsten Lund-Olesen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Direct alcohol fuel cell
- Patent number 11,777,123
- Issue date Oct 3, 2023
- Widex A/S
- Torsten Lund-Olesen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Direct alcohol fuel cell
- Patent number 11,699,798
- Issue date Jul 11, 2023
- Widex A/S
- Torsten Lund-Olesen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Portable electronic device for wearing at the ear and a method of o...
- Patent number 9,344,812
- Issue date May 17, 2016
- Teknologisk Institut
- Klaus Krogsgaard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fuel cell, a portable electronic device and a method of manufacturi...
- Patent number 9,231,265
- Issue date Jan 5, 2016
- Teknologisk Institut
- Torsten Lund-Olesen
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method of manufacturing a component for a hearing aid
- Patent number 8,763,238
- Issue date Jul 1, 2014
- Widex A/S
- Jorn Eiler Vestergaard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Filter for a hearing aid and a hearing aid
- Patent number 8,295,522
- Issue date Oct 23, 2012
- Widex A/S
- Jorn Eiler Vestergaard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
A DIRECT ALCOHOL FUEL CELL
- Publication number 20220052355
- Publication date Feb 17, 2022
- Widex A/S
- Torsten LUND-OLESEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
A DIRECT ALCOHOL FUEL CELL
- Publication number 20220029187
- Publication date Jan 27, 2022
- Widex A/S
- Torsten LUND-OLESEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
A DIRECT ALCOHOL FUEL CELL
- Publication number 20220029186
- Publication date Jan 27, 2022
- Widex A/S
- Torsten LUND-OLESEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
A DIRECT ALCOHOL FUEL CELL
- Publication number 20220021013
- Publication date Jan 20, 2022
- Widex A/S
- Torsten LUND-OLESEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
A DIRECT ALCOHOL FUEL CELL
- Publication number 20210359314
- Publication date Nov 18, 2021
- Widex A/S
- Torsten LUND-OLESEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PORTABLE ELECTRONIC DEVICE FOR WEARING AT THE EAR AND A METHOD OF O...
- Publication number 20140233776
- Publication date Aug 21, 2014
- Teknologisk Institut
- Klaus Krogsgaard
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FUEL CELL, A PORTABLE ELECTRONIC DEVICE AND A METHOD OF MANUFACTURI...
- Publication number 20140147771
- Publication date May 29, 2014
- Teknologisk Institut
- Torsten Lund-Olesen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FILTER FOR A HEARING AID AND A HEARING AID
- Publication number 20120163643
- Publication date Jun 28, 2012
- Widex A/S
- Jorn Eiler VESTERGAARD
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD OF COATING A HEARING AID COMPONENT AND A HEARING AID COMPRIS...
- Publication number 20110110544
- Publication date May 12, 2011
- Widex A/S
- Jorn Eiler VESTERGAARD
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMPONENT FOR A HEARING AID AND A METHOD OF MAKING A COMPONENT FOR...
- Publication number 20090262966
- Publication date Oct 22, 2009
- WIDEX A/S
- Jorn Eiler Vestergaard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FILTER FOR A HEARING AID AND A HEARING AID
- Publication number 20090154747
- Publication date Jun 18, 2009
- WIDEX A/S
- Jorn Eiler VESTERGAARD
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Leif Hojslet Christensen

Person

Patents Grantslast 30 patents

Direct alcohol fuel cell

Direct alcohol fuel cell

Direct alcohol fuel cell

Direct alcohol fuel cell

Portable electronic device for wearing at the ear and a method of o...

Fuel cell, a portable electronic device and a method of manufacturi...

Method of manufacturing a component for a hearing aid

Filter for a hearing aid and a hearing aid

Patents Applicationslast 30 patents

A DIRECT ALCOHOL FUEL CELL

A DIRECT ALCOHOL FUEL CELL

A DIRECT ALCOHOL FUEL CELL

A DIRECT ALCOHOL FUEL CELL

A DIRECT ALCOHOL FUEL CELL

PORTABLE ELECTRONIC DEVICE FOR WEARING AT THE EAR AND A METHOD OF O...

FUEL CELL, A PORTABLE ELECTRONIC DEVICE AND A METHOD OF MANUFACTURI...

FILTER FOR A HEARING AID AND A HEARING AID

METHOD OF COATING A HEARING AID COMPONENT AND A HEARING AID COMPRIS...

COMPONENT FOR A HEARING AID AND A METHOD OF MAKING A COMPONENT FOR...

FILTER FOR A HEARING AID AND A HEARING AID