The following Link Manufacturing products are protected by patents in the U.S. and may also be protected by patents elsewhere. This website is provided pursuant to the virtual patent marking provisions of 35 U.S.C. § 287(a). Additional patents may be pending in the U.S. and elsewhere.

U.S. Patents

10,967,927 - Mounting Brackets for Auxiliary Suspension

10,569,814 - Lift Axle Auxiliary Suspension Systems

10,569,813 - Cab Suspension Systems

10,543,730 - Auxiliary Suspension Air Damping Systems

9,937,766 - Height Control Linkage

9,688,318 - Axle Suspension Mounting System

9,358,854 - Air Suspension Control System

9,340,242 - Adjustable King Pin Assembly

9,315,222 - Suspension Hanger Assembly

8,328,210 - Lift Axle Auxiliary Suspension Systems

7,966,685 - Pocket Ramp

7,887,065 - Height Control Valve for Leveling System

7,789,405 - Linkage-Type Air Suspension System

7,416,190 - Air Suspension System

7,389,994 - Vehicle Leveling System

7,331,627 - Lateral Control Rod

7,261,304 - Vehicle Leveling System

7,234,713 - Chassis Suspension System

7,216,925 - Height Control Linkage

7,175,165 - Cab Suspension System

7,017,941 - Chassis Suspension System

6,962,360 - Chassis Suspension System

6,857,646 - Anti-Roll Suspension Valve-Body

6,834,873 - Chassis Suspension System

6,669,217 - Anti-Roll Suspension Valve-Body

6,311,993 - Auxiliary Suspension System

6,241,452 - Ramp System

5,933,889 - Tag Axle System

5,860,450 - Height Control Valve for Leveling System

832,143 - Vehicle Drive Train Vibration Control System

D897,912 - Vehicular Component Linkage Member

D897,911 - Vehicular Component Linkage Member

D727,219 - Vehicular Component Linkage Member


Canadian Patents

2,691,254 - Height Control Valve for Leveling System

2,690,484 - Axle Suspension

2,456,381 - Vehicle Leveling System

2,392,775 - Chassis Suspension System


European Patents

602,018,019,161- Air Damping Systems

3,360,707 - Auxiliary Suspension Air Damping Systems


Mexico Patents

303,735 - Height Control Valve for Leveling System