Ensi K. J. Niinivaara

Follow

Person

Koria, FI

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for underwater working
- Patent number 4,842,154
- Issue date Jun 27, 1989
- Oy Gss General Sea Safety Ltd.
- Ensi K. J. Niinivaara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for conducting current to an electrode in arc...
- Patent number 4,837,420
- Issue date Jun 6, 1989
- Oy Gss General Sea Safety Ltd.
- Ensi K. J. Niinivaara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Additive for use in underwater arc-welding
- Patent number 4,790,887
- Issue date Dec 13, 1988
- GSS General Sea Safety Ltd.
- Ensi K. J. Niinivaara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and equipment for underwater attachment
- Patent number 4,729,503
- Issue date Mar 8, 1988
- Ensi K. J. Niinivaara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR