Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7052001 | Dual rate leaf spring suspension for utility vehicle A dual rate leaf spring suspension supports a frame member over an axle of a small utility vehicle. The dual rate leaf spring suspension includes a full-length leaf spring and a half-length leaf spring. A spacer plate is the only connection point between the full-le... | 05/30/2006 |
| 6688586 | Integral transverse spring-axle An integral transverse spring-axle combines the functions of both an axle and a suspension by locating the wheels laterally and longitudinally, in the manner of an axle, and allowing vertical displacements of the wheels, in the manner of a suspension. Thi... | 02/10/2004 |
| 6361032 | Composite leaf spring with improved lateral stiffness A method of increasing lateral stiffness in fiberglass composite leaf springs used in suspension systems. The increase in lateral stiffness is accomplished by introducing two carbon fiber inserts to the longitudinal side regions of a fiberglass composite ... | 03/26/2002 |
| 6220580 | Leaf spring pivot bearing and assembly with adjustment pilot A leaf spring suspension assembly includes a leaf spring assembly having a plurality of vertically stacked leaf springs and a bearing assembly positioned adjacent an end thereof. The bearing assembly includes an upper insulator cup having an upper recess ... | 04/24/2001 |
| 5039071 | Running gear of a railway vehicle Running gear (1) of a railway vehicle, which is suspended on the undercarriage (2) of the railway vehicel by blade support springs (3) and suspension attachment (8), with the additional arrangement of an additional blade spring as absorption spring (12); ... | 08/13/1991 |
