Patents
Patents for E04G 21 - Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work (22,137)
08/1978
08/15/1978US4106743 Adjustable bulkhead for concrete wall forms
08/15/1978US4106259 Automatic apparatus for laying block units
08/15/1978CA1036381A1 Anchor insert for embedment in a concrete slab
08/08/1978US4105355 Device for tamping and leveling concrete and the like
07/1978
07/25/1978US4102463 Transporter for slab casting tables
07/04/1978US4098040 Concrete block panel
06/1978
06/20/1978US4095748 Apparatus for mixing a cement slurry with a glass fiber
06/20/1978US4095343 Building layout templates
06/20/1978US4095335 Automatic tube puller
06/20/1978US4095326 Method and apparatus for inserting post-stressing tendons in concrete structures
06/06/1978US4093172 Tool for bricklaying
05/1978
05/30/1978US4092046 Pneumatic feeder-dispenser for bulk material
05/09/1978US4087947 Edge-lifting system for a concrete slab
05/02/1978US4086970 Vibration absorbing device for portable vibrators
04/1978
04/25/1978US4085958 Flue liner handling device
04/25/1978US4085853 Construction of buildings or parts thereof
04/25/1978US4085556 Device for anchoring fixing means in a concrete element
04/18/1978US4084321 Neoprene sleeve; for anchoring and positioning an aligning cord
04/11/1978US4083156 Apparatus for bracing a tilt-up wall panel
03/1978
03/28/1978US4080739 Batter board
03/21/1978US4079977 Apparatus for use in building
03/21/1978US4079556 Wall support device
03/21/1978US4079497 Method of making substantially impenetrable members
03/21/1978US4079486 Means for anchoring a ring tensioning member in a circular container, especially a concrete tank or a concrete tube
02/1978
02/28/1978US4075913 Remotely operable mechanism for disconnecting a pickup unit from a tilt-up concrete wall slab
02/21/1978US4074802 Concrete receiver and placer for road paving
02/21/1978US4074503 Brick laying device
02/14/1978US4073593 Method and apparatus for providing a power screed board
01/1978
01/31/1978US4070833 Bracing apparatus
01/24/1978US4069699 Apparatus for stabilizing structural studs
01/17/1978US4069283 Method of curing and protecting a concrete column
01/17/1978US4068435 Pre-stressed tension ring structures
01/17/1978US4068427 Wall bracing assembly and method
01/10/1978US4067766 Automatic building block laying panel-forming machine and method
01/10/1978CA1023929A1 Method for making reinforcing members and part thus obtained
12/1977
12/27/1977US4065098 Wedge push-in apparatus for a wire tensioning press
12/27/1977US4064616 Method for constructing a blast furnace
12/20/1977US4064319 Upset head at a high-strength tension wire and method for the production thereof
12/06/1977US4061322 Jig for electrical conduit stubs
12/06/1977US4060955 Machine for mechanical production of brick masonry
11/1977
11/22/1977US4059238 Machine for winding containers
11/15/1977US4057903 Guide line holder
11/08/1977US4057222 Concrete vibrator
11/08/1977US4056912 Method for releasing tilt-up panel hoisting member
11/08/1977US4056905 Pre-stressed concrete structures
10/1977
10/18/1977US4054014 Methods of erecting prefabricated buildings and equipment employed in such methods
10/04/1977US4052028 Structural steelworker's safety clamp
09/1977
09/27/1977US4050205 Protective shield for utility opening in a building framing member
09/20/1977US4048706 Method of eliminating and uneven stress distribution in an elongated reinforced member
09/06/1977US4046484 Spaced-rotor ride-type surface working machine with single-stick control of all movements
08/1977
08/30/1977US4045003 Support devices for stanchions
08/23/1977US4043738 Vibratory compacting machine
08/23/1977US4043487 Mortar applying machine
08/23/1977US4043441 Mobile pump
08/16/1977US4042175 Apparatus and method for dispensing and reinforcing cementitious materials
08/09/1977US4040774 Apparatus for constructing concrete walls
08/02/1977US4039063 Run-out apparatus and method for roll-formed panels
07/1977
07/26/1977US4037824 Safety post
07/12/1977US4034523 Graffiti protection
07/05/1977US4033463 Work-facilitating apparatus for lining converters, metallurgical furnaces, holding vessels and like equipment
06/1977
06/28/1977US4031627 Line holders for brick and concrete block laying
06/21/1977US4030873 Vibrating concrete screed
06/07/1977US4027711 Means for mounting concrete structural members
05/1977
05/17/1977US4023686 Dolly for maneuvering modules of a modular wall system
05/17/1977US4023315 Prefabricated buildings
05/10/1977US4022330 Apparatus for mounting building panels
05/10/1977US4021979 Aligning bracket for underground sectional precast concrete structures and method of assembly
05/03/1977US4020610 Anchor for stone building member
04/1977
04/26/1977US4020132 Construction joint for reinforced concrete structures
04/19/1977US4018470 Anchor insert for embedment in a concrete slab
04/12/1977US4017115 Lift system for concrete slabs
04/05/1977US4016024 Machine to arrange a noise insulation between two concrete elements
04/05/1977US4015827 Support stanchion
03/1977
03/29/1977US4014151 Coupling structure with anchoring in stone parts
03/15/1977US4011638 Joint clamp for joining intersecting brace members and method for making same
03/08/1977US4010586 Method for the manufacture of reinforcement members and member manufactured by the method
03/01/1977US4010203 Adhesive to concrete blocks
02/1977
02/22/1977US4008796 Control method for feeding items on a conveyor
02/15/1977US4007821 Concrete delivery apparatus
02/08/1977US4006574 Method of forming a construction of building substructures
02/01/1977US4005828 Method and apparatus for stressing a tendon and banding a structure
01/1977
01/18/1977US4003553 Guardrail post assembly
01/11/1977US4002304 Method and apparatus for stressing a tendon and banding a structure
01/11/1977US4001988 Concrete block panel
01/04/1977US4000592 Wall supporting structure
01/04/1977US4000591 Holder adapted for supporting an anchor insert to be embedded in a concrete slab
12/1976
12/28/1976US3999920 Combined mortar dispenser and joint striker device
12/21/1976US3998340 Conveyor cross
12/21/1976US3997959 Apparatus for releasing tilt-up panel hoisting
12/07/1976US3995843 Apparatus for supporting a window buck frame
12/07/1976US3995834 Supports for guard rails
12/07/1976US3995833 Removable guard rail stanchion apparatus
11/1976
11/23/1976US3993341 Deck structure and connector for building construction
11/23/1976US3992847 Method and apparatus for installing insulation
11/09/1976US3990532 Method and apparatus for providing a controlled movable environment
11/09/1976US3990197 Liftable wooden frame building unit and method of construction
10/1976
10/12/1976US3985237 Device to raise and lower box-shaped construction elements, in particular prefabricated garages
09/1976
09/14/1976US3980278 Interlocking safety fence post and panel
09/07/1976US3978626 Removable wire tie for adhesive applied wallboard installation
08/1976
08/31/1976US3977147 Flanged major modular assembly jig