Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7299900 | Braking device for an industrial truck A braking device for an industrial truck, comprising a hydraulic brake cylinder which is coupled to an actuating element and is connected with at least one hydraulic brake associated with a wheel of the industrial truck via a brake line wherein another hydraulic bra... | 11/27/2007 |
| 6959637 | Vacuum brake booster A control valve for a brake booster having a first member with a first bore, a second member located in the first bore and having a second bore, a plunger located in the second bore and connected to an input member. A gear fixed to the second member with teeth that ... | 11/01/2005 |
| 6942075 | Brake system having boosted hydraulic accumulator A hydraulic brake system includes a hydraulic accumulator that stores much of the energy generated upon brake pedal depression. The stored energy can be used to maintain the brakes in their fully engaged state and to help return an applied brake pedal to its release... | 09/13/2005 |
| 6796407 | Brake system having boosted hydraulic accumulator A hydraulic brake system includes a hydraulic accumulator that stores much of the energy generated upon brake pedal depression. The stored energy can be used to maintain the brakes in their fully engaged state and to help return an applied brake pedal to its release... | 09/28/2004 |
| 6655513 | Hydraulic brake device for a vehicle A hydraulic brake device for a vehicle includes an auxiliary piston having an effective cross-sectional area larger than that of a master piston, and a pressure transmitting chamber provided between the large diameter portion and the master piston. The au... | 12/02/2003 |
| 5797227 | Structure stabilization system A stabilization system protects a structure, comprising at least a slab and having a foundation formed in the earth, from the effects of seismic disturbances. Pendulum support elements, secured at upper ends to respective support columns affixed to the fo... | 08/25/1998 |
| 5307906 | Combined mechanically/hydraulically actuated braking system which provides tactile feed-back A braking system for a vehicle. The braking system provides continuous tactile feed back through the brake pedal to the operator of the vehicle that conforms to the degree to which the vehicle brakes are being applied so that the tactile feed-back to the ... | 05/03/1994 |
| 4871051 | Clutch booster control valve system A clutch booster control system having parallel booster cylinder and a control valve, the booster cylinder having an extendible rod and being operatively connected between the vehicle frame and the clutch operating lever, the control valve having a slidab... | 10/03/1989 |
| 4531419 | Servo mechanism, especially for intensifying the braking power in a motor vehicle To provide a power brake having relatively small hysteresis between brake pedal pressure and brake hose pressure and with compact construction, the push rod leading from the brake pedal to the brake master cylinder is divided into an input rod and an outp... | 07/30/1985 |
