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 |
| 8136354 | Adsorption-enhanced compressed air energy storage In an embodiment of the present disclosure, an energy storage device is presented. The energy storage device includes a porous material that adsorbs air and a compressor. The compressor converts mechanical energy into pressurized air and heat, and the pressurized ai... | 03/20/2012 |
| 7437872 | Object separating apparatus using gas An object separating apparatus uses gas and has a hollow housing with a closed end connected to a first object, and an opened end. An axially movable cylinder is installed at an inner space of the housing and a piston assembly is coupled to the cylinder and connecte... | 10/21/2008 |
| 7357415 | Pyrotechnic safety device with retractable telescoping mechanism A safety device for use in an automobile that comprises a bolster and a telescoping mechanism. The telescoping mechanism extends when pressurized by the rapid introduction of a fluid. Following extension, the telescoping mechanism vents the fluid to allow the device... | 04/15/2008 |
| 7343848 | Self-vacuum arrangement for pneumatic equipment A self-vacuum arrangement for pneumatic equipment is provided. A Venturi device having first and second ports and a central tap is provided. A first check valve having a first port operably coupled with the central tap of the Venturi device is configured to prevent ... | 03/18/2008 |
| 7192033 | Trailing arm suspension and height control system with motorized valve therefor A trailing arm suspension for a vehicle. The trailing arm suspension having a height control system for controlling the ride height of the suspension relative to the vehicle. The height control system preferably comprises a motor driven height control valve. ... | 03/20/2007 |
| 7073331 | Steam engine In a steam engine having a heating device, a cooling device, and an output device, the output device comprises a piston reciprocally moving by a self-excited fluid vibration of a working fluid in a fluid container. The piston is reciprocally moved by the output devi... | 07/11/2006 |
| 7028996 | Vehicle suspension system and height control valve therefor A height control valve for controlling the relative height between a vehicle frame and a trailing arm suspension. The height control valve comprises a housing defining an interior chamber and having an inlet port fluidly connecting to a source of pressurized air. An... | 04/18/2006 |
| 6871493 | Braking device for a motor vehicle, comprising a vacuum pump A braking device, particularly for a motor vehicle, comprising a master cylinder (10) associated with a pneumatic booster (12), and a vacuum pump (36) to create a vacuum in the vacuum chamber (16) of the booster, characterized in that the... | 03/29/2005 |
| 6799601 | Positive pressure generation device and valve A device for at least intermittently generating an overpressure in a system S in relation to an ambient pressure U includes a pump P that has a pressure side 20 and an intake side 10, where during the generation of an overpressure, the pressure side | 10/05/2004 |
| 6666024 | Method and apparatus for generating energy using pressure from a large mass A fluid, for example, air, is subjected to a high pressure while in a high pressure inducing vessel (101). The high pressure is due to a large mass, such as the ocean. The fluid is then cooled and directed into a depressurized vessel (107), such as a pres... | 12/23/2003 |
| 6625980 | Overpressure control circuit for vehicle pneumatic system The invention creates a vehicle pneumatics overpressure regulating circuit 1 of a supply device of a pneumatic consumer 5 in a vehicle with an operating pressure. The overpressure circuit 1 has a compressed air source 3, which furnishes compressed air for... | 09/30/2003 |
| 6612108 | Manifold assembly for interconnecting brake booster to engine and vacuum pump A manifold assembly for pneumatically interconnecting a brake booster to an engine and to an electrically-driven vacuum pump. A manifold housing has an engine port pneumatically communicable with the engine, a separate booster port pneumatically communica... | 09/02/2003 |
| 6447361 | Balloon-shaped structure driving apparatus and discharge/suction selector valve device used for the balloon-shaped structure driving apparatus The present invention provides a balloon-shaped structure driving apparatus by which portions of a balloon-shaped structure can be caused to move easily and reliably and weight and cost can be reduced and a discharge/suction selector valve device. A rotat... | 09/10/2002 |
| 6367247 | Air engine Apparatus for supplying high pressure gas to an engine, to operate the engine, including in combination a gas pressurizer having a low gas pressure inlet to receive inlet gas, as for example discharge gas from the engine, and a high gas pressure outlet to... | 04/09/2002 |
| 6354080 | Air powered hydraulic jack with static line air pressure shift control An air powered hydraulic lift system including a hydraulic pump operably connected to the ports of a hydraulic lifting cylinder, the hydraulic pump being driven by an air motor, an air pressure pilot operated valve for controlling supply of hydraulic flui... | 03/12/2002 |
| 6311486 | Method for operating a pollution-reducing engine A method for reducing pollution in a mono-mode air-air combustion engine having an intake and compression chamber, connected to a constant volume expansion chamber, which is connected in turn to an expansion and exhaust chamber. External air is drawn into... | 11/06/2001 |
| 6301883 | Vehicle brake booster with supplemental vacuum assist A brake booster provides additional boost capacity without unduly increasing booster size and weight by providing a vacuum pump connected so as to add its additional vacuum capacity to that of the normal vacuum source when activated in response to sensed ... | 10/16/2001 |
| 6247306 | Pneumatic spring system The invention relates to a pneumatic spring system comprising at least one pneumatic spring which consists of at least the following: a pneumatic spring cap as an upper component; a pneumatic spring piston as a lower component; pneumatic cushioning bellow... | 06/19/2001 |
| 5961189 | Brake system for automotive vehicles with pneumatic brake power booster A brake system for automotive vehicles has a pneumatic brake power booster with two chambers one of the chambers being adapted to be acted upon by a low pressure and the other one by a higher pressure, and at least one of the chambers being adapted to be ... | 10/05/1999 |
| 5957234 | Compressed air powered motor vehicle A compressed air powered motor vehicle includes an engine having an intake and an exhaust pipe. The engine is configured for operating on compressed air received in the intake and expelling exhaust air through the exhaust pipe. A compressed air storage co... | 09/28/1999 |
| 5823637 | Universal vacuum pump apparatus and method The invented apparatus is designed for use with a tow vehicle and trailer combination. The apparatus includes a controller, and can also include a vacuum sensor and a vacuum pump. The vacuum sensor is communicatively coupled to sense the vacuum supply ava... | 10/20/1998 |
| 5797262 | Drive circuit for fluid operated actuator having high and low pressure reservoirs In order to obtain a fluid pressure drive circuit which is capable of reusing a compressed gas by cyclic recirculations, a closed circuit is formed by and through a compressor 2, a low pressure tank 13 connected to an intake end 2b of the compressor 2, a ... | 08/25/1998 |
| 5724811 | Optimized gas-based transmission A gas-based transmission which has a self-regulating mechanical advantage that is continuously--and, essentially, infinitely variable. A high-pressure reservoir receives either exhaust gas from an engine or air from a compressor that is run by the drive s... | 03/10/1998 |
| 5515676 | Vacuum pump motor control apparatus and method of operation thereof An apparatus and method for controlling an electrically driven vacuum pump (16) for a motor vehicle provides that below a predetermined level of vacuum (approaching atmospheric pressure) the pump (16) runs at a first speed, and above that level of vacuum ... | 05/14/1996 |
| 5467595 | Valve means Valve system for a vehicle gas suspension system having a central chamber (41) to which pressurized gas is admitted via valve 50 or from which pressurized gas is exhausted via valve 51. Interposed in gas communication paths between the central chamber and... | 11/21/1995 |
| 5428959 | Pneumatic control circuit In a pneumatic control circuit, five three-port, two-position, directional control valves, three of which have manual controls, and two shuttle valves are arranged for controlling a first pneumatic device and a second pneumatic device in an operating mode... | 07/04/1995 |
| 5296799 | Electric power system An electric power system has an air compressor unit with a reservoir tank, an air powered motor and an electric generator. The air compressor unit has an air compressor that provides compressed air to the reservoir tank. The air compressor is driven by an... | 03/22/1994 |
| 5142870 | Hydraulic compressor and fuel fired turbine apparatus Hydraulic air compressor and fuel fired turbine apparatus disposed in a vessel or ship includes a hydraulic compressor having an air intake disposed above the water intake for entraining air in falling water, and the output of the hydraulic compressor is ... | 09/01/1992 |
| 5113655 | Apparatus and method for removing liquid condensate from a compressed-air system An apparatus and method are disclosed for the simple removal of liquid condensate, in particular of water of condensation, from compressed-air systems alternately subjected in operation to positive pressure and atmospheric pressure. The compressed-air sys... | 05/19/1992 |
| 4989496 | Vacuum supply system with throttling valve in a motor vehicle A vacuum supply system for a brake power assist unit of a motor vehicle with at least one additional vacuum consuming device is achieved by the installation of a valve, which can be switched as a function of existing vacuum level in a pipe leading from th... | 02/05/1991 |
| 4981014 | Atmospheric pressure power plant A shell having a closed upper end and an open lower end, and a weight in the form of a piston sealingly slidable in the shell. In one form partial vacuum is produced in the shell above the weight and atmospheric pressure consequently raises the weight. In... | 01/01/1991 |
| 4976104 | Combined switch and valve for compressor powered inflatable A housing (50, 52) defines a slide chamber (54) in which a slide member (34) reciprocates between three positions. A coil spring (86) holds the slide member (34) into a center position. In this position, slide member (34) blocks fluid flow through a port ... | 12/11/1990 |
| 4953447 | Vacuum supply system in a motor vehicle A vacuum supply system for a brake power assist unit of a motor vehicle and at least one additional vacuum consuming device, is achieved by a parallel arrangement of two pipes leading from a vacuum generating device one to the brake power assist unit and ... | 09/04/1990 |
| 4939899 | Bidirectional pressure supply system in a motor vehicle A bidirectional pressure supply system for consumers of pneumatic negative pressure and/or positive pressure has a negative pressure line system and a positive pressure line system, to which the respective pressure types are simultaneously admitted from a... | 07/10/1990 |
| 4921408 | Non-icing quiet air-operated pump A silencing system is provided for an air-operated pump which also eliminates icing of the pump at higher cycle rates and humidities. The exhaust from the air motor powers an air flow inducer to induce a flow of relatively warm ambient air. The induced fl... | 05/01/1990 |
| 4848738 | Weight stack with vacuum-actuated pneumatic motor for lift assist Airlift apparatus used in conjunction with a weight lifting machine that utilizes a stack of weighs. It assists the weight lifter when fatigue occurs. Its construction is of plastic, consisting of a cylinder and a piston. The piston is moved by difference... | 07/18/1989 |
| 4823550 | Rotary valve with jet pump aspirator Fluid flow control valves are provided having a jet pump or aspirator connected to a plurality of fluid passageways. Fluid flow from one of the passageways through the jet pump creates a partial vacuum enabling fluid flow to be drawn through the other of ... | 04/25/1989 |
| 4811562 | Adjusting drive A compact electric adjusting drive for locking systems, fan flaps or the like in motor vehicles includes a fluidic force transmission system between the electric motor and the adjusting element movable to and fro between two end positions.... | 03/14/1989 |
| 4798053 | Kinetic energy reclaiming system for vehicle A vehicle kinetic energy reclaiming system employs the vehicle's engine (10) to compress air when the vehicle decelerates and reuses the stored compressed air to drive an air motor (78) which assists in powering the vehicle when it is underway again. When... | 01/17/1989 |
| 4769988 | Compressed air generating system A compressed air power plant which includes a piston disposed within a cylinder and connected to a drive shaft. The piston is operated through a power stroke and an exhaust stroke upon each rotation of the drive shaft. The power plant includes compressed ... | 09/13/1988 |
