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Class Information
Number: 404/1
Name: Road structure, process, or apparatus > Road system (e.g., elevated, interchange)
Description: Subject matter relating to the arrangement of (a) one road to another (e.g., multilevel cross-road interchange), (b) one type of traffic way to another (e.g., vehicle roadway with separate sidewalk portion) or (c) a road to the earth (e.g., an elevated highway).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7491009 |
Traffic intersection |
Feb. 17, 2009 |
| 7473050 |
Single-layer interchange overpass |
Jan. 6, 2009 |
| 7425104 |
Road junction |
Sep. 16, 2008 |
| 7371030 |
Flexible road surfaces |
May. 13, 2008 |
| 7347642 |
Circular subdivisions parking/biking lane, elimination of storm drains, and walkable community development provisions |
Mar. 25, 2008 |
| 7234891 |
Multi-level road intersection |
Jun. 26, 2007 |
| 7175362 |
Synthetic covering systems for safety areas of airports |
Feb. 13, 2007 |
| 7048465 |
Method of routing and diverting traffic |
May. 23, 2006 |
| 7025525 |
Dynamic road marking system and road segment provided with said system |
Apr. 11, 2006 |
| 7010412 |
Method for calculating parameters in road design of S-type clothoid, complex clothoid and egg type clothoid |
Mar. 7, 2006 |
| 6752563 |
Covered highway structure with means for easy and quick access to tunnel interior |
Jun. 22, 2004 |
| 6685386 |
Intersection system |
Feb. 3, 2004 |
| 6676330 |
Method of erecting elevated roadways above existing roadways with minimal disruption of traffic |
Jan. 13, 2004 |
| 6561727 |
Ergonomic hybrid transit access corridor particularly for town and urban centers |
May. 13, 2003 |
| 6338175 |
Movable safety tunnel for use during bridge maintenance |
Jan. 15, 2002 |
| 6312187 |
Street tunnel arrangement accessible to vehicles in densely populated areas |
Nov. 6, 2001 |
| 6170106 |
Movable safety tunnel for use during bridge maintenance |
Jan. 9, 2001 |
| 6155744 |
Parking management system |
Dec. 5, 2000 |
| 6120208 |
Prefabrication type high level road structure and construction method thereof |
Sep. 19, 2000 |
| 5921701 |
Traffic interchange |
Jul. 13, 1999 |
| 5897271 |
Road reflectors with temperature dependent color |
Apr. 27, 1999 |
| 5897270 |
Vehicle highway system having single-level uninterrupted traffic-flow intersection |
Apr. 27, 1999 |
| 5846020 |
Pre-fabricated multi-level roadway structure |
Dec. 8, 1998 |
| 5807020 |
Traffic guide constructions at road intersections to provide smooth traffic flows and methods of traffic control thereof |
Sep. 15, 1998 |
| 5795095 |
Simultaneous left turn vehicular intersection |
Aug. 18, 1998 |
| 5682635 |
Bridge and road construction and method of removing worn deck structure |
Nov. 4, 1997 |
| 5671681 |
Transportation method for rider propelled vehicles |
Sep. 30, 1997 |
| 5657595 |
Fabric reinforced beam and column connections |
Aug. 19, 1997 |
| 5655244 |
Long or super long bridge with an automatic transporting system |
Aug. 12, 1997 |
| 5558023 |
Enclosed transportation system for rider propelled vehicles with pneumatic propulsion assistance |
Sep. 24, 1996 |
| 5538357 |
Elevatable automobile turn-around system |
Jul. 23, 1996 |
| 5524310 |
Modular halfpipe skateboard ramp and method of constructing |
Jun. 11, 1996 |
| 5520478 |
Landscaped urban road intersection |
May. 28, 1996 |
| 5330278 |
Coordinated traffic signal system for roads |
Jul. 19, 1994 |
| 5154533 |
Method for routing traffic on divided highways |
Oct. 13, 1992 |
| 5105494 |
Continuously moving highway reconstruction device |
Apr. 21, 1992 |
| 5092705 |
Method of controlling pedestrian and vehicular traffic flow |
Mar. 3, 1992 |
| 5049000 |
Continuous flow intersection |
Sep. 17, 1991 |
| 5042957 |
Moving type three-dimensional road |
Aug. 27, 1991 |
| 4986692 |
Road intersection construction for traffic control |
Jan. 22, 1991 |
| 4955751 |
Crossroad without traffic lights |
Sep. 11, 1990 |
| 4953249 |
Modular overpass or raised parking structure |
Sep. 4, 1990 |
| 4927288 |
Road traffic network |
May. 22, 1990 |
| 4861184 |
Continuous flow cloverleaf type interchange |
Aug. 29, 1989 |
| 4790684 |
Roadway warning system |
Dec. 13, 1988 |
| 4698866 |
Mobile bridge structure having a plurality of ramp modules |
Oct. 13, 1987 |
| 4630961 |
Traffic intersection |
Dec. 23, 1986 |
| 4629376 |
Roadway for dual-mode vehicles |
Dec. 16, 1986 |
| 4592673 |
Double-framed "H" form non-stop roadway interchange |
Jun. 3, 1986 |
| 4458457 |
Overfilled arch out of prefab reinforced concrete shells |
Jul. 10, 1984 |
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