Louis Dubreuil

Follow

Person

Montreal-Nord, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Method for installing an expansion joint in a concrete dam
- Patent number 5,735,636
- Issue date Apr 7, 1998
- Hydro-Quebec
- Peter Szita
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Traction boring device using multiple trepans for producing large c...
- Patent number 5,570,934
- Issue date Nov 5, 1996
- Hydro-Quebec
- Peter Szita
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Sealing device for expansion joints of concrete dams and method for...
- Patent number 5,449,248
- Issue date Sep 12, 1995
- Hydro-Quebec
- Peter Szita
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Continuous, undisturbed sampling by rotational boring in non-plasti...
- Patent number 4,588,036
- Issue date May 13, 1986
- Hydro-Quebec
- Gerard Desrochers
- E21 - EARTH DRILLING MINING