Carl G. B. Ekwall

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Saltsjobaden, SE

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Patents Grantslast 30 patents

Information Patent Grant
Rock drilling apparatus
- Patent number 4,387,775
- Issue date Jun 14, 1983
- Atlas Copco Aktiebolag
- Ebbe S. Adolfsson
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Pneumatic drill lubricator
- Patent number 4,333,538
- Issue date Jun 8, 1982
- Atlas Copco Aktiebolag
- Carl G. B. Ekwall
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Rock drilling apparatus
- Patent number 4,161,990
- Issue date Jul 24, 1979
- Atlas Copco Aktiebolag
- Bo E. Forsberg
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Rock drilling apparatus with noise reducing drill rod cover
- Patent number 4,108,258
- Issue date Aug 22, 1978
- Atlas Copco Aktiebolag
- Carl G. B. Ekwall
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR