Patents for E01F 9 - Arrangement of road signs or traffic signals; Arrangements for enforcing caution, e.g. speed bumps (11,392)
08/1981
08/18/1981US4284273 Apparatus for raking and levelling sand in a pit
08/12/1981EP0033525A2 Traffic area temperature indication device
08/04/1981US4282281 Acrylonitrile-butadiene copolymer, fillers, glass microspheres
07/1981
07/28/1981CA1105949A1 Durable glass elements
07/23/1981WO1981002033A1 Hollow section of synthetic material
07/21/1981US4279534 Method and apparatus for applying horizontal road marking material of high optical efficiency
07/21/1981US4279471 Retroreflector for road surfaces
07/21/1981US4279105 Ground-based portable and collapsible structures
07/21/1981US4279104 Sign post construction having reciprocable driver for placement and removal
07/21/1981CA1105427A1 Light-reflective road marker of self-cleaning type
07/21/1981CA1105331A1 Method to prevent vehicles from passing a temporarily speed reduced part of a road with high speed, and a device for utilizing the method
07/14/1981US4278228 Collapsible support structures
07/07/1981CA1104342A1 Ground-based portable and collapsible structures
06/1981
06/23/1981CA1103635A1 Light reflecting delineator
06/16/1981CA1103097A1 Portable sign display device
06/09/1981CA1102768A1 Retro-reflecting globules for road surface marking
06/02/1981US4270873 Pivotable delineator post
05/1981
05/27/1981EP0029035A1 Barrier with retractable post
05/26/1981US4269534 Replaceable guide post
05/26/1981US4269384 Collapsible structures employing frangible connections
05/20/1981EP0029015A2 Road boundary marker
05/20/1981EP0028662A2 Sign-supporting structure with panel holding bushes
05/12/1981US4266768 Breakaway safety base
05/12/1981CA1100800A1 Device in concrete blocks
04/1981
04/21/1981US4262831 Traffic cone rack for mounting on a vehicle
04/08/1981EP0026199A1 Anchoring base for road sign posts and similar
03/1981
03/31/1981US4259660 Retractable roof top sign for automotive vehicles
03/24/1981CA1192371B Roadway/traffic delineator
03/24/1981CA1097879A1 Roadway/traffic delineator
03/17/1981US4256050 Collapsible marker cone
03/04/1981EP0024291A2 Composite material for objects or layers with glossy or rough surfaces highly resistant to wear
03/03/1981US4253415 Portable illuminated traffic light
03/03/1981CA1096832A1 Retroreflector
02/1981
02/24/1981US4253085 Flashing light indicator structures
02/17/1981US4250769 Pivoted adjustable lever with grab link
02/10/1981US4249832 Highway median delineator
02/10/1981US4249715 Sign apparatus
02/10/1981US4249357 Synthetic-resin road marker and method of molding same
02/03/1981US4248932 Comprising a conformable base, flexible top and embedded glass microspheres
02/03/1981US4248001 Portable sign display device
01/1981
01/28/1981EP0022917A1 Hollow delineator post
01/20/1981US4245922 Traffic delineator post
01/07/1981EP0022106A1 A light device, especially for airports and roads
12/1980
12/23/1980US4240766 Traffic delineator
12/23/1980CA1092073A1 Highway marker
12/11/1980WO1980002705A1 Road signpost with reflector movable for the cleaning
12/02/1980US4237191 Bonded road studs
12/02/1980US4236950 Road marking machine and method
12/02/1980US4236843 Sign post couplings
12/02/1980US4236788 Direction-indicating surface marker strip for roadways and the like
11/1980
11/27/1980WO1980002576A1 Barrier with retractable post
11/25/1980CA1090127A1 Low-profile raised retroreflective sheeting
11/18/1980US4234265 Light transmitting roadway marker
11/18/1980US4234264 Multi-directional marking device of the type to be used on pavement surfaces
11/18/1980CA1089829A1 Low profile road marker and base member therefor
11/11/1980US4232979 Pavement marker
11/11/1980CA1089424A1 Road studs
11/04/1980CA1088905A1 Road surface marking prefabricated tape material, having retroreflective composite elements associated thereto
10/1980
10/16/1980WO1980002167A1 Anchoring base for road sign posts and similar
10/15/1980EP0017509A1 Supporting fitments
10/15/1980EP0017198A2 Roadway/traffic delineator
10/15/1980EP0017136A1 Plastic post apparatus and methods
10/14/1980US4227772 Pavement marker
10/01/1980EP0015932A1 Protective device for a ground-deposited light
10/01/1980EP0015927A1 A reflection device for roadside marking.
09/1980
09/23/1980US4224002 Highway delineator
09/17/1980EP0015257A1 Improvements in limit marking units
09/17/1980EP0015256A1 Tubular post with yieldable fixing device.
09/16/1980US4222552 Highway guardrail cover
09/16/1980CA1085574A1 Knockover roadway marker post
09/09/1980US4221498 Roadside barrier reflector
09/09/1980CA1085363A1 Retro-reflecting assembly and method for producing same
09/02/1980CA1084883A1 Cube cornered high incidence angle retroreflective material
08/1980
08/26/1980US4219179 Sign holder
08/26/1980US4219141 Supporting frame for traffic cones on vehicles
08/26/1980CA1084465A1 Pavement marker
08/19/1980US4218260 Reflective concrete body, process for the manufacture and utilization of the same
08/19/1980US4218157 Parking lot marker apparatus
08/19/1980US4218059 Field marker
08/12/1980US4216932 Stand for supporting a sign or signholder
08/12/1980CA1083547A1 Snowplowable road marker
08/05/1980CA1083112A1 Snowplowing resisting road surface marking tape material
08/05/1980CA1083111A1 Road marker
06/1980
06/25/1980EP0012705A1 Trailer for transporting road or advertising signs
06/24/1980CA1080316A1 Warning light system
06/17/1980US4208090 Reflector structure
06/17/1980CA1079828A1 Bi-fold safety arrow display
06/17/1980CA1079584A1 Warning, marking and/or barrier equipment
06/11/1980EP0012001A2 Traffic barriers
06/03/1980US4205472 Yieldable delayed action roadway and signing apparatus
05/1980
05/28/1980EP0011200A1 Stand for a road sign
05/28/1980EP0011197A1 Device for putting up road signs
05/20/1980US4203685 Automotive vehicle speed arrestor
05/20/1980US4203242 Sign standard
05/20/1980CA1077910A1 Portable sign holder
05/13/1980CA1077634A1 Fast curing polymer-monomer resinous compositions
05/06/1980US4201975 Display device
04/1980
04/22/1980US4199541 Concrete method and equipment
04/22/1980CA1075978A1 Traffic control barrel
04/15/1980US4197808 Combined road marker and interchangeable sign cards