Olof Hjortstam

Person

Vasteras, SE

People

Patents Grantslast 30 patents

Information Patent Grant
Insulator shed having non-circular tip
- Patent number 11,923,108
- Issue date Mar 5, 2024
- HITACHI ENERGY LTD
- Nils Lavesson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Insulator with resistivity gradient
- Patent number 11,798,711
- Issue date Oct 24, 2023
- Hitachi Energy Switzerland AG
- Olof Hjortstam
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
MFC in pressboards for HV devices
- Patent number 11,769,608
- Issue date Sep 26, 2023
- Hitachi Energy Switzerland AG
- Olof Hjortstam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Insulator having internal cooling channels
- Patent number 11,715,588
- Issue date Aug 1, 2023
- Hitachi Energy Switzerland AG
- Olof Hjortstam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicone rubber with ATH filler
- Patent number 11,037,697
- Issue date Jun 15, 2021
- ABB Power Grids Switzerland AG
- Henrik Hillborg
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for melting steel
- Patent number 9,045,810
- Issue date Jun 2, 2015
- ABB Research Ltd.
- Rebei Bel Fdhila
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus and method for electromagnetic stirring in an electrical...
- Patent number 8,876,934
- Issue date Nov 4, 2014
- ABB Research Ltd.
- Jan-Erik Eriksson
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus and method for crystallization of silicon
- Patent number 8,721,789
- Issue date May 13, 2014
- ABB AB
- Jan-Erik Eriksson
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus and method for crystallization of silicon
- Patent number 8,632,632
- Issue date Jan 21, 2014
- ABB AB
- Jan-Erik Eriksson
- C30 - CRYSTAL GROWTH
Information Patent Grant
Electric insulation material, an electric device comprising the ins...
- Patent number 8,178,780
- Issue date May 15, 2012
- ABB Research Ltd.
- Olof Hjortstam
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
HIGH-VOLTAGE COLUMN CURRENT TRANSFORMER
- Publication number 20240047134
- Publication date Feb 8, 2024
- Hitachi Energy Switzerland AG
- Yury Solovyev
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INSULATOR HAVING INTERNAL COOLING CHANNELS
- Publication number 20230133073
- Publication date May 4, 2023
- Hitachi Energy Switzerland AG
- Olof Hjortstam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MFC IN PRESSBOARDS FOR HV DEVICES
- Publication number 20230121933
- Publication date Apr 20, 2023
- Hitachi Energy Switzerland AG
- Olof Hjortstam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INSULATOR SHED HAVING NON-CIRCULAR TIP
- Publication number 20220328215
- Publication date Oct 13, 2022
- Hitachi Energy Switzerland AG
- Nils Lavesson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INSULATOR WITH RESISTIVITY GRADIENT
- Publication number 20210272723
- Publication date Sep 2, 2021
- ABB Power Grids Switzerland AG
- Olof Hjortstam
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Silicone Rubber With ATH Filler
- Publication number 20200411209
- Publication date Dec 31, 2020
- ABB Schweiz AG
- Henrik Hillborg
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method For Melting Steel
- Publication number 20140318314
- Publication date Oct 30, 2014
- Rebei Bel Fdhila
- C21 - METALLURGY OF IRON
Information Patent Application
Apparatus And Method For Electromagnetic Stirring In An Electrical...
- Publication number 20130269483
- Publication date Oct 17, 2013
- Jan-Erik Eriksson
- C21 - METALLURGY OF IRON
Information Patent Application
Apparatus And Method For Crystallization Of Silicon
- Publication number 20130104601
- Publication date May 2, 2013
- Jan-Erik Eriksson
- C30 - CRYSTAL GROWTH
Information Patent Application
APPARATUS AND METHOD FOR CRYSTALLIZATION OF SILICON
- Publication number 20120167629
- Publication date Jul 5, 2012
- Jan-Erik Eriksson
- C30 - CRYSTAL GROWTH
Information Patent Application
Electric Insulation Material, An Electric Device Comprising The Ins...
- Publication number 20110030987
- Publication date Feb 10, 2011
- Olof Hjortstam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Induction Regulator for Power Flow Control in an AC Transmission Ne...
- Publication number 20100213906
- Publication date Aug 26, 2010
- Mikael Dahlgren
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
High-voltage bushing
- Publication number 20080179077
- Publication date Jul 31, 2008
- ABB Research Ltd.
- Andrej Krivda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Power cable
- Publication number 20040020681
- Publication date Feb 5, 2004
- Olof Hjortstam
- B82 - NANO-TECHNOLOGY
Information Patent Application
Induction winding
- Publication number 20020186113
- Publication date Dec 12, 2002
- Olof Hjortstam
- B82 - NANO-TECHNOLOGY
Information Patent Application
Conducting material
- Publication number 20020183207
- Publication date Dec 5, 2002
- Olof Hjortstam
- B82 - NANO-TECHNOLOGY

Olof Hjortstam

Person

Patents Grantslast 30 patents

Insulator shed having non-circular tip

Insulator with resistivity gradient

MFC in pressboards for HV devices

Insulator having internal cooling channels

Silicone rubber with ATH filler

Method for melting steel

Apparatus and method for electromagnetic stirring in an electrical...

Apparatus and method for crystallization of silicon

Apparatus and method for crystallization of silicon

Electric insulation material, an electric device comprising the ins...

Patents Applicationslast 30 patents

HIGH-VOLTAGE COLUMN CURRENT TRANSFORMER

INSULATOR HAVING INTERNAL COOLING CHANNELS

MFC IN PRESSBOARDS FOR HV DEVICES

INSULATOR SHED HAVING NON-CIRCULAR TIP

INSULATOR WITH RESISTIVITY GRADIENT

Silicone Rubber With ATH Filler

Method For Melting Steel

Apparatus And Method For Electromagnetic Stirring In An Electrical...

Apparatus And Method For Crystallization Of Silicon

APPARATUS AND METHOD FOR CRYSTALLIZATION OF SILICON

Electric Insulation Material, An Electric Device Comprising The Ins...

Induction Regulator for Power Flow Control in an AC Transmission Ne...

High-voltage bushing

Power cable

Induction winding

Conducting material