| Patents for E01F 13 - Arrangements for obstructing or restricting traffic, e.g. gates, barricades (5,265) |
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| 03/26/1992 | DE4030099A1 Parking place barrier against unauthorised use - comprises spring loaded pivoted post activated by radio control or electrically operated hydraulic or pneumatic piston |
| 03/25/1992 | EP0476100A1 Barrier. |
| 03/24/1992 | US5097790 Flagger gate for roadway construction sites |
| 02/20/1992 | WO1992002688A1 Means for slowing down and/or stopping the motion of a land vehicle |
| 02/20/1992 | WO1992002687A1 Means for slowing down and/or stopping the motion of a land vehicle |
| 02/20/1992 | WO1992002686A1 Collapsible post |
| 02/20/1992 | WO1992002685A1 Device for preventing vehicles from using car parks, roadways or the like beneath a ceiling structure |
| 02/20/1992 | WO1992002683A1 Pop-up traffic control device |
| 01/29/1992 | EP0468895A1 Barrier bollard with electronic drive mechanism |
| 01/23/1992 | WO1992001116A1 Road blocker |
| 01/22/1992 | CN2093860U Combined road barricade |
| 01/21/1992 | US5082249 Safety locking device for collapsible barricade for streets and highways |
| 01/14/1992 | US5080523 Connecting stone for forming road edges |
| 01/09/1992 | DE4020075A1 Pivot drive using asynchronous electric motor - has double worm gear as motion converter between electric motor and pivot element |
| 01/08/1992 | CN2092558U Energy-saving, light curved arm railing |
| 12/31/1991 | CA1293654C Stiff but bendable elongated plastic article |
| 12/27/1991 | EP0462818A1 Improvements relating to safety barriers |
| 12/10/1991 | US5070646 Anti-theft device with extractable armored column |
| 12/04/1991 | EP0459929A1 Device for reserving a parking space for an authorised motor vehicle |
| 12/04/1991 | EP0458824A1 Road barricade. |
| 11/26/1991 | US5067276 Semi-automatic gate |
| 11/06/1991 | EP0455410A2 Barrier |
| 11/06/1991 | EP0455094A2 Adapter for a barricade device |
| 10/22/1991 | US5059060 Traffic control system |
| 10/17/1991 | WO1991015633A1 Barrier |
| 10/10/1991 | DE4040589A1 Stop device raised from road surfaces - has lining suited to surrounding road surface and has modular foundation bodies |
| 10/08/1991 | US5054648 Highway cone dispenser and collector |
| 10/08/1991 | US5054237 Vehicle safety barrier |
| 10/02/1991 | EP0449464A1 Traffic control barrier |
| 09/24/1991 | US5050846 Adjustable length, non-mechanized pedestrian traffic barrier system |
| 09/17/1991 | CA1288986C Barrier gate arm |
| 09/12/1991 | DE4006969A1 Barrier frame for fixing equipment to shaft cover - has block actuating pivoting claws engaging in holes in cover |
| 09/11/1991 | EP0445995A1 Traffic barrier gate |
| 09/10/1991 | US5047107 Method and apparatus for applying a reflective sleeve to a traffic cone |
| 09/10/1991 | US5046886 Universal stackable manhole shield |
| 09/10/1991 | US5046885 Hinged barricade with limiting bolt |
| 09/03/1991 | US5044300 Barrier wrapper |
| 08/28/1991 | EP0443052A1 Barrier arrangement for individual spaces of a car park |
| 08/28/1991 | EP0288537B1 Modular anti-intrusion barrier |
| 08/15/1991 | WO1991012375A1 Hazard barrier |
| 08/15/1991 | CA2075915A1 Hazard barrier |
| 08/08/1991 | WO1991011561A1 Improved road barrier |
| 08/08/1991 | DE4003005A1 Guard rail with vertical posts - has hollow section planks attached to posts by clamping collars |
| 08/07/1991 | EP0309488B1 Non-clamping barrier posts |
| 07/31/1991 | CN1013390B Modular anti-intrusion barrier |
| 07/30/1991 | US5035082 Gate support and operating mechanism |
| 07/24/1991 | EP0438364A1 Driving device to rotate the barrier arm of a movable barrier |
| 07/09/1991 | US5030029 Road barrier |
| 07/09/1991 | US5029819 Handling and supporting flexible material of a fence |
| 06/25/1991 | US5026203 Friction reduction for terrorist vehicle arresting system |
| 06/20/1991 | DE4036718A1 Barrier to enclose danger area - comprises posts or piles linked together by flexible but strong rail |
| 06/16/1991 | WO1991009176A1 Parking space barrier |
| 06/16/1991 | CA2045688A1 Parking space barrier |
| 06/12/1991 | EP0432067A1 Autonomic bollard with variable height |
| 06/06/1991 | DE3937533A1 Fence constructed from panels of flexible mesh - incorporates upper and lower panels inclined to vertical |
| 05/29/1991 | DE3938812A1 Protective barrier for oven shafts in road surfaces - has framework carrying warning strip with local coloured areas coated or welded to it and folded edge welded in position |
| 05/28/1991 | US5018902 Collapsible bollards |
| 05/08/1991 | EP0426582A2 Collapsable parking barrier |
| 05/08/1991 | EP0425901A1 Tactile signalling structure for sight disabled people incorporated in conventional paving |
| 05/08/1991 | EP0277213B1 Collapsible barrier for vehicular traffic |
| 05/08/1991 | DE3936412A1 Blocking device for restricted parking place - uses blocking lever operated upon entry of vehicle to prevent unauthorised removal |
| 05/07/1991 | US5012612 Gate |
| 05/02/1991 | WO1991005684A1 Stopping system for land vehicles |
| 05/01/1991 | CA2028727A1 Structure for signalling obstacles and dangerous areas to people unable to see |
| 04/23/1991 | US5009542 Traffic barrier gate |
| 04/23/1991 | US5009541 Plastic barricade with limiting bolt |
| 04/18/1991 | DE4031781A1 Transportable temporary fence structure - incorporates crossbars hinged to L=shaped posts which are self-supporting |
| 04/17/1991 | EP0422710A1 Bar gate device with symmetrical actuator |
| 04/04/1991 | DE3934108A1 Enclosure assembly with hinged frames - has warning panels of plain plastics foil with alternate coloured zones |
| 04/04/1991 | DE3931888A1 Enclosure assembly with hinged frames - which carry warning panels with reflectors and top edge fasteners |
| 04/04/1991 | DE3931886A1 Enclosure assembly with hinged frames - has reflective panels as support foil with reflectors, or reflective foil |
| 04/02/1991 | US5003912 Interlocking stacking plastic barricades |
| 03/27/1991 | EP0419229A2 Improvements in or relating to signalling devices |
| 03/20/1991 | EP0417693A1 Road boundary marker to prevent access to public grounds |
| 03/13/1991 | EP0415962A1 A vehicle arresting device. |
| 03/13/1991 | CN2072990U Tooth-type roadblock |
| 03/12/1991 | US4998843 Modular anti-intrusion barrier |
| 03/07/1991 | WO1991002848A1 Vehicle parking or passageway security barrier |
| 02/26/1991 | US4995756 Vehicle tire deflator |
| 02/14/1991 | DE3810672A1 Dynamically optimised counterweight for rotational movements over a sector of a circle |
| 02/12/1991 | CA1280018C Collapsible barrier for vehicular traffic |
| 02/05/1991 | US4989835 Vehicle barrier |
| 01/02/1991 | EP0405880A2 Method and apparatus for applying a reflective sleeve to a traffic cone |
| 12/27/1990 | WO1990015901A1 Barrier apparatus and method |
| 12/27/1990 | CA2018860A1 Method and apparatus for applying a reflective sleeve to a traffic cone |
| 12/13/1990 | DE3921553A1 Safety measure for exit road - includes sleepers set in carriageway which have projecting square shoulder along trailing edge |
| 12/04/1990 | US4974991 Vehicle speed bump device |
| 12/04/1990 | US4974815 Plastic traffic barricade |
| 11/27/1990 | US4973190 Barrel and barrel base |
| 11/27/1990 | US4973189 Collapsible barricade |
| 11/06/1990 | US4968177 Modular barricade |
| 10/11/1990 | DE3911651A1 Barrier frame - consists of tubular straight elements joined together to form four sided barrier |
| 10/04/1990 | DE3910296A1 Thoroughfare-blocking arrangement |
| 10/03/1990 | EP0390381A2 An array of inertial barriers |
| 09/27/1990 | DE3908111A1 Blocking device |
| 09/19/1990 | EP0387818A2 Multi-purpose post |
| 09/13/1990 | DE3907368A1 Collapsible barrier post |
| 09/05/1990 | EP0385950A2 Construction element |
| 09/02/1990 | CA2010725A1 Construction element |
| 08/17/1990 | WO1990009487A1 Road barricade |