|
| Patents for E02D 9 - Removing sheet pile bulkheads, piles, mould-pipes, or other moulds (623) |
|---|
| 02/03/1981 | US4248550 Pile extraction apparatus | | 01/07/1981 | EP0020820A1 Anchor pile hoisting device | | 11/18/1980 | US4233954 Concrete pile cutting device | | 01/29/1980 | CA1070653A1 Concrete removal tool | | 01/01/1980 | CA1069110A Extraction device for ditch sheeting elements | | 12/25/1979 | US4180351 Methods and apparatus for severing reinforced concrete pilings | | 12/25/1979 | US4180047 Above and below water and land pile cutting apparatus and method | | 11/15/1979 | WO1979000908A1 Machine for pulling out a drilling tube of the ground | | 09/18/1979 | US4168053 Extraction device for ditch sheeting elements | | 07/24/1979 | US4162383 Oxy-arc apparatus for cutting inside a pipe | | 07/03/1979 | CA1057646A1 Device for cutting in particular reinforced concrete piles | | 03/20/1979 | US4144867 Concrete pile-cutting machine | | 01/23/1979 | CA1046817A1 Process and apparatus for the manufacture of filled, closed containers | | 11/07/1978 | US4124015 Device for cutting in particular reinforced concrete piles | | 08/15/1978 | US4106298 Device for the production of earth holes | | 06/13/1978 | US4094124 Process and apparatus for the manufacture of filled, closed containers | | 01/17/1978 | US4068711 Casing cutter | | 09/13/1977 | US4047568 Method and apparatus for cutting and retrieving casing from a well bore | | 08/30/1977 | US4044749 Concrete removal tool | | 04/12/1977 | US4016728 Device for severing underwater cables | | 12/21/1976 | US3998063 Method and apparatus for removing construction piles | | 08/31/1976 | US3977076 Internal pipe cutting tool | | 03/30/1976 | US3946988 Tree and the like obstacle extractor |
|