| Patents for E04G 15 - Forms or shutterings for making openings, cavities, slits, or channels (3,453) |
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| 10/26/1983 | EP0092526A1 Method and means for concrete cavity building |
| 10/18/1983 | US4410162 Recoverable form part for use in the region where a tendon is anchored in a prestressed concrete component |
| 08/24/1983 | EP0086376A1 Shuttering for the production of cavities and openings of parts of concrete building elements |
| 05/17/1983 | US4383675 Quick-release attachment for core body in concrete casting formwork |
| 05/17/1983 | US4383674 Core body for the recessed positioning of an anchor element in a concrete member |
| 03/01/1983 | US4375142 Guard for isolating recessed ceiling lights from combustible insulation |
| 01/26/1983 | EP0070770A1 Device for resting a floor on a wall, and construction method for applying said device |
| 01/11/1983 | US4367892 Lift system for tilt-up walls |
| 12/28/1982 | US4365784 Apparatus for obtaining a test core |
| 12/28/1982 | US4365780 Removable insert for forming holes in concrete and the like |
| 12/14/1982 | US4363462 Recoverable formwork part for forming the anchoring location of a tendon in a concrete structural component |
| 09/07/1982 | US4348344 Method and device for producing slotted concrete walls in place |
| 06/30/1982 | EP0054918A1 Device for introducing installation pipes or ducts in buildings provided with a cellar |
| 06/23/1982 | EP0054524A2 A casting form system consisting of modular members for the construction of buildings, storey by storey |
| 05/13/1982 | WO1982001541A1 Lift system for tilt-up walls |
| 04/14/1982 | EP0049456A2 Moulded body for producing a cavity in a finished concrete product |
| 04/14/1982 | EP0049455A2 Moulded body for holding an anchor and for producing a cavity in a finished concrete product |
| 10/27/1981 | US4296909 Apparatus for forming recess around a pickup bolt of a concrete body |
| 10/01/1981 | WO1981002816A1 Fire sealing of leads-through for conduits |
| 08/04/1981 | CA1106203A1 Sleeve assembly for forming openings in molded sructures |
| 03/31/1981 | US4258897 Structure for forming concrete troughs in the ground |
| 12/23/1980 | CA1091953A1 Formwork component for concrete construction |
| 10/28/1980 | CA1088342A1 Concrete anchor |
| 09/03/1980 | EP0014735A1 Shuttering for concrete constructions |
| 05/06/1980 | US4201361 Concrete form component |
| 04/01/1980 | US4195709 Step assembly for cast structures and method of installation |
| 11/20/1979 | CA1066534A1 Sleeving form for masonry material |
| 10/16/1979 | US4170853 Insert void forming device |
| 06/26/1979 | US4159099 Sleeve assembly for forming openings in molded structures |
| 06/26/1979 | US4159098 Form for casting stepped openings |
| 06/12/1979 | US4157807 Aperture forming devices |
| 03/06/1979 | CA1049806A1 Reglet structure |
| 02/20/1979 | CA1048749A1 Apparatus and method for making concrete structures |
| 02/06/1979 | US4138084 Adjustable foundation window form |
| 12/26/1978 | US4130977 Concrete insert |
| 12/19/1978 | CA1044444A1 Fixtures for holding the outer frame of a sash window or the like in precasting a concrete panel integral therewith |
| 08/08/1978 | US4105051 Prefabricated composable duct element |
| 06/27/1978 | US4096749 Core sampling device |
| 05/09/1978 | US4087947 Edge-lifting system for a concrete slab |
| 12/27/1977 | US4065540 Method of producing precast concrete panels with built-in outer sash frames |
| 11/29/1977 | US4060218 Pneumatically controlled rigid core-former |
| 09/13/1977 | US4047691 Fixture for use in the formation of a discharge opening of a fodder silo |
| 07/19/1977 | US4035976 Sleeving form for masonry material |
| 05/31/1977 | US4026511 Destructible bore forming means |
| 04/19/1977 | US4018416 Resilient, destructable core means |
| 03/22/1977 | US4012874 Protective cover assembly for underfloor access housing |
| 03/22/1977 | US4012873 Protective cap for underfloor access housing |
| 01/04/1977 | US4000591 Holder adapted for supporting an anchor insert to be embedded in a concrete slab |
| 12/07/1976 | US3995843 Apparatus for supporting a window buck frame |
| 11/30/1976 | US3994470 Mold having means for positioning a window frame |
| 09/21/1976 | US3981108 Reglet structure |
| 06/22/1976 | US3964219 Insert and anchor positioning and locating device |
| 01/20/1976 | US3933336 Pipe sleeve |