| Patent Number |
Title Of Patent |
Date Issued |
| D466527 |
Air compressor |
December 3, 2002 |
|
| D462819 |
Air compressor work table |
September 10, 2002 |
|
| D462495 |
Air compressor work table |
September 3, 2002 |
|
| D455398 |
Portable electric power source |
April 9, 2002 |
|
| D452253 |
Compressor |
December 18, 2001 |
|
| D450061 |
Combination compressor/generator |
November 6, 2001 |
|
| D449311 |
Compressor |
October 16, 2001 |
|
| D447752 |
Compressor |
September 11, 2001 |
|
| D447490 |
Compressor |
September 4, 2001 |
|
| D447151 |
Compressor |
August 28, 2001 |
|
| D446793 |
Compressor |
August 21, 2001 |
|
| D446792 |
Compressor |
August 21, 2001 |
|
| D444279 |
Pressure washer cart |
June 26, 2001 |
|
| D418809 |
Generator system |
January 11, 2000 |
|
| 6773237 |
Air compressor workbench |
August 10, 2004 |
| A workbench for an air compressor that includes a work surface as its top surface. The workbench is provided on wheels, such as caster wheels. The workbench may be closed by panels to attenuate sound. The panels may be removable to provide access to the compressor for maintenance or repa |
| 6695235 |
Foldable power washer |
February 24, 2004 |
| A power washer that is foldable and that may be hung on a wall in the folded configuration. The power washer includes front and rear legs. The front legs and rear legs fold in toward one other and under a prime mover so as to make the power washer more compact when hung. The front legs a |
| 6688859 |
Fastener mounting arrangement |
February 10, 2004 |
| An air compressor includes a valve plate with cooling fins and a piston also having cooling fins. The valve plate includes an integral and angled valve plate outlet. The angling of the valve plate outlet reduces turbulence and improves compressed air flow. The pump frame of the gas c |
| 6534958 |
System that supplies electrical power and compressed air with throttle control |
March 18, 2003 |
| A system provides electrical power and compressed air includes a wheeled hand truck frame, an engine, a compressor, a generator, and a reservoir having several horizontally disposed cylindrical tanks in fluid communication and arranged in one or a few vertical planes. A portion of a |
| 6530760 |
Air compressor |
March 11, 2003 |
| An air compressor includes a valve plate with cooling fins and a piston also having cooling fins. The valve plate includes an integral and angled valve plate outlet. The angling of the valve plate outlet reduces turbulence and improves compressed air flow. The pump frame of the gas c |
| 6488059 |
Docking assembly of a pressurized-gas canister assembly with a manifold assembly |
December 3, 2002 |
| A canister assembly includes a canister, a plug enclosure, a vent mechanism, a delivery valve mechanism, and a protective handle. The plug enclosure may be attached to the canister at an opening and forms a pressurized seal of the interior cavity of the canister. The vent mechanism a |
| 6485269 |
Detachable air compressor unit and system |
November 26, 2002 |
| A detachable air compressor system includes a detachable air compressor unit and a second storage tank. The detachable air compressor unit is portable and includes an air pump powered by a motor and connected to a first storage tank, where the pump, motor, and first storage tank are all |
| 6441522 |
Electromagnetic apparatus employing high permeability low conductivity element |
August 27, 2002 |
| A pole for use in a magnetic circuit includes a flux-passing portion for passing magnetic flux and a cap. The flux-passing portion has a face through which at least some of the magnetic flux passes and to which the cap is fixed. The cap is made of a permeable material and is formed to |
| 6414400 |
Small engine driven generator |
July 2, 2002 |
| A power conversion system includes an engine coupled to drive an alternator, a rectifier circuit, and an ignition controller. The alternator includes a stator and a rotor that cooperate when driven to provide a current supplied to the rectifier circuit. The rectifier circuit provides |
| 6406270 |
Fuel tank and belt guard arrangement for compressor |
June 18, 2002 |
| An air compressor includes a fuel tank at least partially supported by the air compressor guard, allowing for a larger fuel tank and eliminating the need for a separate fuel tank support. The air compressor includes a gasoline engine connected to an air pump via a belt; the guard covers |
| 6360914 |
Docking assembly of a pressurized-gas canister assembly with a manifold assembly |
March 26, 2002 |
| A canister assembly includes a canister, a plug enclosure, a vent mechanism, a delivery valve mechanism, and a protective handle. The plug enclosure may be attached to the canister at an opening and forms a pressurized seal of the interior cavity of the canister. The vent mechanism a |
| 6313543 |
Generator system with vertically shafted engine |
November 6, 2001 |
| A portable generator system includes an interface mounting element for supporting a selected engine, from a plurality of engines, with a vertically oriented output shaft when the generator system is positioned on a substantially horizontal surface. A generator is directly coupled to |
| 6310404 |
Generator system with vertically shafted engine |
October 30, 2001 |
| A portable generator system includes an interface mounting element for supporting a selected engine, from a plurality of engines, with a vertically oriented output shaft when the generator system is positioned on a substantially horizontal surface. A generator is directly coupled to |
| 6181019 |
Generator system with vertically shafted engine |
January 30, 2001 |
| A portable generator system includes an interface mounting element for supporting a selected engine, from a plurality of engines, with a vertically oriented output shaft when the generator system is positioned on a substantially horizontal surface. A generator is directly coupled to |
| 6144190 |
Energy conversion system employing stabilized half-bridge inverter |
November 7, 2000 |
| An improved three-phase bridge inverter DC link converter power circuit for a portable generator, preferably the generator system described in U.S. Pat. No. 5,625,276 to Scott et al. Dual voltage and variable frequency inverter designs and improved converter designs are disclosed. Embodi |
| 6118186 |
Throttle control for small engines and other applications |
September 12, 2000 |
| The throttle of an engine in an engine driven generator system operating under an intermittently heavy load, as in supplying current to a welder, is controlled such that successive control signals sent to a throttle actuator for adjusting the engine throttle position are inhibited until |
| 6084313 |
Generator system with vertically shafted engine |
July 4, 2000 |
| A portable generator system includes an interface mounting element for supporting a selected engine, from a plurality of engines, with a vertically oriented output shaft when the generator system is positioned on a substantially horizontal surface. A generator is directly coupled to |
| 6034511 |
Light weight rotor and stator with multiple coil windings in thermal contact |
March 7, 2000 |
| A lightweight engine-driven generator set including a stator having at least first and second windings (preferably three-phase) and a rotor having a soft magnetic core and a plurality of high energy product permanent magnets, separated by consequence poles, disposed proximate the sta |
| 6018200 |
Load demand throttle control for portable generator and other applications |
January 25, 2000 |
| The throttle of an engine in an engine driven generator system operating subject to a wide and rapidly variable load, as in supplying current to a welder, is operated such that control signals are sent to a throttle actuator for adjusting the engine throttle position in response to load |
| 5965999 |
Vertical generator assembly |
October 12, 1999 |
| A vertical generator assembly includes an engine having an engine housing and a vertical drive shaft extending downwardly from the engine housing. A support frame is attached to the bottom of the engine housing, and a stator is attached to the bottom of the support frame. A rotor is moun |
| 5929611 |
Light weight rotor and stator with multiple coil windings in thermal contact |
July 27, 1999 |
| A lightweight engine-driven generator set including a stator having at least first and second windings (preferably three-phase) and a rotor having a soft magnetic core and a plurality of high energy product permanent magnets, separated by consequence poles, disposed proximate the sta |
| 5900722 |
Multimode power converter |
May 4, 1999 |
| A particularly advantageous power converter, suitable for use in an engine powered generator system. A signal simulating a desired AC waveform is produced by a converter circuit at first and second converter output terminals. The converter circuit, responsive to respective switching |
| 5886504 |
Throttle controlled generator system |
March 23, 1999 |
| An improved method and system of increasing the effective electrical load capacity of a power converter is disclosed. Potential damage due to current surges from variation in load is avoided by sensing an impending over-current condition, decreasing the system output by a predetermined |
| 5705917 |
Light weight machine with rotor employing permanent magnets and consequence poles |
January 6, 1998 |
| A mechanically and electrically efficient, lightweight, portable motor-generator includes a stator having a plurality of windings and a rotor with a body of soft-magnetic material carrying a plurality of permanent, high energy product magnets in a surface near the stator such that re |
| 5625276 |
Controller for permanent magnet generator |
April 29, 1997 |
| A generator according to the disclosure includes a control system for regulating the output of the generator. The generator, such as a permanent magnet generator, includes multiple windings. For high current applications, the windings are connected in parallel. For high voltage appli |
| 5529460 |
Pressure washer with flow control switch |
June 25, 1996 |
| A pressure washer is provided with a flow control switch and a bypass passage. The flow control switch shuts the motor of the pressure washer off when fluid is not being supplied to the pressure washer or when the spray gun of the pressure washer is closed. The bypass passage relieves |
| 5519275 |
Electric machine with a transformer having a rotating component |
May 21, 1996 |
| An electric machine according to various aspects of the invention includes a transformer having a rotating component for transmitting power from a stationary portion of the machine to a rotating portion of the machine, or vice versa. Both the rotating component and a stationary component |
