Bengt A. Asberg

Person

Gavle, SE

People

Patents Grantslast 30 patents

Information Patent Grant
Rock drill bit having retrac teeth and method for its manufacturing
- Patent number 6,494,275
- Issue date Dec 17, 2002
- Sandvik AB
- Bengt Åsberg
- E21 - EARTH DRILLING MINING
Information Patent Grant
Percussive down-the-hole hammer and a piston and drill bit therefor
- Patent number 6,209,666
- Issue date Apr 3, 2001
- Sandvik AB
- Rainer Beccu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Overburden drilling apparatus having a down-the-hole hammer separat...
- Patent number 6,182,776
- Issue date Feb 6, 2001
- Sandvik AB
- Bengt Åsberg
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of making a cemented carbide body for tools and wear parts
- Patent number 5,333,520
- Issue date Aug 2, 1994
- Sandvik AB
- Udo K. Fischer
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Down-the-hole drill tool for drilling in advance of a casing tube
- Patent number 5,284,216
- Issue date Feb 8, 1994
- Sandvik AB
- Anders Brungs
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tool for cutting solid material
- Patent number 5,112,165
- Issue date May 12, 1992
- Sandvik AB
- Jan-Gunnar Hedlund
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Tool for cutting solid material
- Patent number 5,074,623
- Issue date Dec 24, 1991
- Sandvik AB
- Jan-Gunnar Hedlund
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Valve openable in response to displacement of a cutting tool
- Patent number 4,976,496
- Issue date Dec 11, 1990
- Sandvik AB
- Jan-Gunnar Hedlund
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Rock drill bit having retrac teeth and method for its manufacturing
- Publication number 20010018990
- Publication date Sep 6, 2001
- Bengt Asberg
- E21 - EARTH DRILLING MINING

Bengt A. Asberg

Person

Patents Grantslast 30 patents

Rock drill bit having retrac teeth and method for its manufacturing

Percussive down-the-hole hammer and a piston and drill bit therefor

Overburden drilling apparatus having a down-the-hole hammer separat...

Method of making a cemented carbide body for tools and wear parts

Down-the-hole drill tool for drilling in advance of a casing tube

Tool for cutting solid material

Tool for cutting solid material

Valve openable in response to displacement of a cutting tool

Patents Applicationslast 30 patents

Rock drill bit having retrac teeth and method for its manufacturing