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| Number | Title | Issue Date |
| 6630033 | Method and apparatus for conserving water in a car washing apparatus A high pressure car wash apparatus providing economy of both water and detergent by the recirculation of a portion of the water and detergent being utilized to a holding tank for reintroduction into the system.... | 10/07/2003 |
| 6464063 | Method and apparatus for conserving water in a car washing apparatus A high pressure car wash apparatus providing economy of both water and detergent by the recirculation of a portion of the water and detergent being utilized to a holding tank for reintroduction into the system.... | 10/15/2002 |
| 6044954 | Method and apparatus for selective operation of an air compressor and vacuum machine A dual function device which provides compressed air for tire inflation and a vacuum machine for cleaning operations at a single location. The air compressor and the vacuum machine are interconnected electrically so that a user may switch back and forth b... | 04/04/2000 |
| 5951229 | Battery charging and transfer system for electrically powered vehicles A battery transfer and charging system for electrically powered vehicles includes a conveyor loop for conveying batteries from a battery receiving station to a battery delivery station. A displacement assembly removes spent batteries of electric vehicles ... | 09/14/1999 |
| 5927938 | Battery charging and transfer system for electrically powered vehicles A battery transfer and charging system for electrically powered vehicles includes a conveyor loop for conveying batteries from a battery receiving station to a battery delivery station. A displacement assembly removes spent batteries of electric vehicles ... | 07/27/1999 |
| 5711648 | Battery charging and transfer system A battery transfer and charging system for electric vehicles includes a conveyor loop for conveying batteries from a battery receiving station to a battery delivery station. A displacement assembly removes spent batteries of electric vehicles by forcing c... | 01/27/1998 |
| 5709295 | Coin operated automobile tire inflator enclosure A coin-operated automobile tire inflator apparatus encompassing a weather/vandal resistant enclosure topped with customer-attract strobe light, containing compression device with vibration free suspension, inflation pressure regulator, hose retractor reel... | 01/20/1998 |
| 5563491 | Combined parking meter and electric-vehicle battery charger with remote status receiver A combined parking meter/battery charger station includes a detachable remote receiver to inform the vehicle operator of charge-level status and other information. Upon sufficient payment or credit, the remote receiver is released so that it may be carrie... | 10/08/1996 |
| 5423407 | Systems for providing electrical power in response to deposited coins A system for providing electrical power in response to deposited coins comprising a mounting post secured to the ground, an input head secured at the upper extent of the mounting post, the input head including a plurality of slots for the receipt of coins... | 06/13/1995 |
| 5297664 | Electric charging/parking meter A parking meter and an electric charging meter are combined in a single apparatus. The combined charging/parking meter may be coin-operated or may be operated using an information-bearing card such as a cash card, a debit card or an IC card. In particular... | 03/29/1994 |
| 5263565 | Combination parking meter and electric energy dispensing apparatus and method A combined parking meter and electric energy dispensing apparatus and method can automatically provide, in response to receiving a payment, either parking time or electric energy. When electric current is being consumed by a connected electric vehicle, th... | 11/23/1993 |
| 4961507 | Dispensing system for handling consumable tooling and supplies The invention is a system for dispensing and tracking the use of a plurality of different and discrete consumable items. A dispensing machine is provided which has a supply of the various items to be dispensed arranged in a selected pattern. A program and... | 10/09/1990 |
| 4926997 | Apparatus and method for restarting a coin operated device after expiration of time A coin operated device and method of using such a device which requires a threshold number of coins to activate its operation. Once operation is stopped, however, there is provided a time window, during which the deposit of fewer than the threshold number... | 05/22/1990 |
| 4896024 | Apparatus for dispensing and accepting return of reusable articles An apparatus for dispensing and returning reusable articles each identifiable with its own identification code, comprising: a pair of opposing, stationary arrays of locations, each location being capable of holding a reusable article therein and having it... | 01/23/1990 |
| 4754519 | Vacuum canister An improved coin operated vacuum cleaner canister with coin mechanism is disclosed. A blank having a polygonal or rectangular opening is rolled into a canister sidewall. A frame comprising a plurality of straps defining a polygon with an open side is moun... | 07/05/1988 |
| 4667141 | Coin or token operated portable car starter A hand truck type of device provides a portable jumper battery for motor vehicles. Battery cables which connector clips are stored in the truck as is a power cable for connection to a power outlet so that the jumper battery may be recharged by a charger c... | 05/19/1987 |
| 4532418 | Microprocessor electric vehicle charging and parking meter system structure and method Structure for and method of charging an electric vehicle at a parking location and facilitating billing for the charging energy utilized and the parking time. The structure includes a charging and parking meter at a parking space for receiving a charge ca... | 07/30/1985 |
| 4289226 | Electric vehicle battery recharging station A parking meter-type apparatus for recharging the batteries of an electric vehicle when parked. The apparatus includes an electric outlet socket, connected with a municipal source of electrical energy, connectable with a vehicle mounted battery charger. T... | 09/15/1981 |
| 4289225 | Air compressor and dispenser A coin operated vending machine operable to compress air and dispense compressed air for a selected period of time. The machine has an air compressor drivably connected to an electric motor. An air outlet hose attached to an on-off valve is connected to t... | 09/15/1981 |
| 4184580 | Coin operated battery charger and charging system check Disclosed herein is a structure for fast charging six or twelve volt storage batteries from a compact coin operated station. In addition, it is also provided herein to check the charging system and voltage output in any vehicle associated with a six or tw... | 01/22/1980 |
| 4036346 | Coin operated vacuum apparatus This invention is a coin operated vacuum apparatus including a housing means mounted on basic support means; a vacuum power means enclosed by the housing means; a coin control means connected to the vacuum power means to control operation thereof; and a h... | 07/19/1977 |
| 3933231 | Automatic workshop installation A workshop installation in which a user can service equipment, machines, vehicles and the like comprising one or more enclosures each having a single access space with a displaceable barrier thereat. The barrier is normally retracted to allow free entry i... | 01/20/1976 |
