The Boler Company
75Patents
0Active
75Granted
39Portfolio score
Filing activity: Jul 16, 1986 → Apr 28, 2005
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5403031A | Parallelogram lift axle suspension system with a control for axle caster adjustment | Performing Operations; Transporting | 139 | Expired |
| US5366237A | Axle suspension systems | Performing Operations; Transporting | 100 | Expired |
| US5676356A | Flexible bolster | Mechanical Engineering; Lighting; Heating | 85 | Expired |
| US5785345A | Means for and method of controlling frame rise in vehicle suspensions | Performing Operations; Transporting | 72 | Expired |
| US5037126A | Lightweight beam suspension system | Performing Operations; Transporting | 71 | Expired |
| US6585286B2 | Vehicle suspension | Performing Operations; Transporting | 59 | Expired |
| US5938221A | Tapered convolute leaf spring for truck suspensions | Performing Operations; Transporting | 58 | Expired |
| US6508482B2 | Trailing arm axle/suspension system | Performing Operations; Transporting | 58 | Expired |
| US5649719A | Linkage suspension system | Performing Operations; Transporting | 53 | Expired |
| US6616156B1 | Steering knuckle | Mechanical Engineering; Lighting; Heating | 48 | Expired |
| US5620194A | Self-steering suspension lockout mechanism | Performing Operations; Transporting | 47 | Expired |
| US6007078A | Self-steering, caster adjustable suspension system | Performing Operations; Transporting | 46 | Expired |
| US5887881A | Leaf spring attachment member | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6264231A | Axle suspension connection | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5720489A | Movable subframe for tractor-trailers | Performing Operations; Transporting | 41 | Expired |
| US6129369A | Leaf spring distal end portion single rotation point attachment part | Performing Operations; Transporting | 41 | Expired |
| US5921570A | Weld-on axle bracket with U-bolt connection | Performing Operations; Transporting | 40 | Expired |
| US5171036A | Rebound strap | Performing Operations; Transporting | 38 | Expired |
| US5810377A | Fabricated steer axle | Emerging Cross-Sectional Technologies | 36 | Expired |
| US6880839B2 | In-line lift axle suspension system | Performing Operations; Transporting | 36 | Expired |
| US6845989B2 | Lift axle air pressure transfer control apparatus | Performing Operations; Transporting | 34 | Expired |
| US6416069B1 | Underbeam axle lift assembly | Performing Operations; Transporting | 34 | Expired |
| US5950971A | Assembly for and method of mounting a suspension member to an axle housing | Performing Operations; Transporting | 33 | Expired |
| US6135470A | Transverse stabilizer for wheel axle suspension system | Performing Operations; Transporting | 32 | Expired |
| US6073947A | Substantially weld free frame bracket assembly | Performing Operations; Transporting | 32 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.