Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 6024140 | Dispensing nozzles for petroleum products Dispensing nozzles having a spout for dispensing a fluid are provided. The spout comprises a first tube for engaging the dispensing nozzle and having an outer surface, a proximal end, a distal end, and a first passage interconnecting the proximal and dist... | 02/15/2000 |
| 5850849 | Storage tank shutoff valve with double cam assembly An valve assembly for automatically shutting off the flow of a pressurized liquid to a storage tank includes a cam that is rotated in response to the level of a liquid in the storage tank. A follower moves a poppet valve axially with a housing as a nonlin... | 12/22/1998 |
| 5813443 | Vapor recovery fuel nozzles A vacuum assisted, vapor recovery fuel nozzle comprising a nozzle body and a spout mounted thereon. The spout comprises an inner tube and an outer tube. The inner tube and passage means in the body provide a fuel passage. The inner and outer tubes define ... | 09/29/1998 |
| 5791694 | Lock for coupling cam arms A low profile locking mechanism for securing a lever arm of a coupler in a locked position interlocks with the side surface of the lever arm. The locking mechanism is formed from low cost resiliently deformable material that is protected against impact by... | 08/11/1998 |
| 5765609 | Spout constructions for fuel dispensing nozzles and methods for making same A vapor recovery nozzle includes a spout construction comprising an outer aluminum tube and an inner nylon tube. The distal ends of the tubes are joined so that the inner tube defines an central fuel passage and, in combination with the outer tube, define... | 06/16/1998 |
| 5715875 | Method and apparatus for dry testing vapor recovery systems A vapor recovery valve that includes two mechanisms for opening the valve is disclosed. The first mechanism opens the valve when fuel is being dispensed by a fuel delivery system. The second mechanism selectively opens the valve independent of whether the... | 02/10/1998 |
| 5695221 | Fuel hose breakaway units A fuel hose breakaway unit comprising couplers that are held in assembled relation by longitudinally extending fingers that are mounted on the outlet coupler and engage abutment lugs on the inlet coupler. When a predetermined longitudinal separation force... | 12/09/1997 |
| 5671777 | Couplings for joining fluid conduits A coupling for connecting fluid conduits comprises a coupler and an adapter. The coupler has a frusto-conical seat at its distal end. Fixed and pivotal jaws project beyond the frusto-conical seat and are engageable with a clamping surface on the adapter. ... | 09/30/1997 |
| 5666878 | Waste disposal system which includes a vessel with an outer cooling jacket A system that sterilizes and compacts medical waste. The system includes a vessel which has a door that provides access to an inner chamber. The inner chamber is coupled to a compressor and a source of heating fluid. The vessel also has a jacket that surr... | 09/16/1997 |
| 5655576 | Vapor recovery nozzles and sub-assemblies therefor A vapor recovery nozzle, employed in minimizing atmospheric pollution by fuel vapors is described. The nozzle comprises a bellows which is compressed against the fill pipe of a vehicle fuel tank during discharge of fuel therein. The bellows surrounds a no... | 08/12/1997 |
| 5645115 | Dispensing nozzles A fuel nozzle has a modular construction wherein valve, venturi and spout modules are mounted in a bore formed in a nozzle body. The main fuel valve is controlled, independently of fuel pressurization, in response to a mechanical signal input, acting thro... | 07/08/1997 |
| 5640999 | Venting cap for fill pipe An apparatus and method for sealing and accessing the end of a fill pipe connected to a pressurized fuel reservoir. The cap has a body, a sealing member for sealing between the cap and the adapter ring, a fastening system for fastening the cap body to the... | 06/24/1997 |
| 5636667 | Conversion of fuel dispensers to provide for vacuum assisted vapor recovery Fuel dispensers are converted to provide vaccum assisted recovery of vapors. Where previously provided with, or "plumbed" for, a pressure balance type of recovery system, the prior hose means is disconnected to permit mounting of a fuel driven, vacuum pum... | 06/10/1997 |
| 5620030 | Vapor recovery fuel nozzles A vacuum assisted, vapor recovery fuel nozzle comprising a nozzle body and a spout mounted thereon. The spout comprises an inner tube and an outer tube. The inner tube and a passage in the body provide a fuel passage. The inner and outer tubes define a va... | 04/15/1997 |
| 5620031 | Vapor recovery fuel nozzles A vacuum assisted, vapor recovery fuel nozzle comprising a nozzle body and a spout mounted thereon. The spout comprises an inner tube and an outer tube. The inner tube and a passage in the body provide a fuel passage. The inner and outer tubes define a va... | 04/15/1997 |
| 5605182 | Vehicle identification system for a fuel dispenser A vehicle identification system for use in a refueling station for identifying vehicle requirements, in which a control unit is located in a fuel dispenser for controlling functions of the dispenser such as fuel selection and activation of the dispenser's... | 02/25/1997 |
| 5604681 | Coupler identification systems A system for blending fluids comprises a plurality of fluid sources to which utilization conduits are selectively connected. The blending operation for a predefined combination of fluids is controlled by a computer employing a software control program. An... | 02/18/1997 |
| 5577538 | Liquid dispensing nozzles having improved view glass/flow indicators A fuel dispensing nozzle is provided with a view glass/fuel flow indicator that are disposed between the main fuel valve and a downstream check valve. The view glass/flow indicator means comprise a pair of horizontally aligned view glasses. A plurality of... | 11/26/1996 |
| 5564471 | Fuel hose breakaway unit A breakaway unit which is adapted for mounting in a fuel hose between a fuel dispenser and nozzle. The breakaway unit comprises male and female couplers which are normally locked in an assembled position, but which are releasable at a separation force pro... | 10/15/1996 |
| 5564464 | Storage tank shut-off valve An improved control valve for a holding tank is provided for cutting off the flow of fluid into a holding tank device in response to achieving a predetermined fluid level in the holding tank. The assembly includes a housing configured for placement adjace... | 10/15/1996 |
| 5557965 | Pipeline leak detector An apparatus for detecting leaks in a pipeline in a liquid dispensing system. The apparatus generally includes a tank containing a liquid, a dispenser valve disposed remote from the tank, a pipeline connected between the storage tank and the dispenser val... | 09/24/1996 |
| 5535984 | Safety coupler locking means An elbow coupler includes a linkage for locking the coupler to an adapter. The linkage has a resilient, laterally deflectable link that limits the forces applied to the linkage thereby preventing the components of the linkage from being overstressed. A sp... | 07/16/1996 |
| 5515890 | Control system for filling tanks with liquids A system for controlling the loading of fuel into a multi-compartmented transport tank interrupts loading of fuel when the level of fuel in any compartment is above a given upper level and prevents loading when the level of fuel is above a given lower lev... | 05/14/1996 |
| 5472012 | Storage tank shutoff valve A valve assembly for automatically shutting off the flow of a pressurized liquid to a storage tank includes a cam that is rotated in response to the level of a liquid in the storage tank. A follower moves a poppet valve axially with a housing as a nonline... | 12/05/1995 |
| 5460210 | Control system for filling tanks with liquids A system for controlling the loading of fuel into a multi-compartmented transport tank interrupts loading of fuel when the level of fuel in any compartment is above a given upper level and prevents loading when the level of fuel is above a given lower lev... | 10/24/1995 |
| 5454602 | Fuel hose breakaway unit A breakaway unit which is adapted to be mounted in series flow relation with a fuel nozzle. The breakaway unit comprises a flex section which assures an axial transmission of forces to a valve section which is separated when a vehicle drives away from a d... | 10/03/1995 |
| 5454394 | Emergency shut-off valves An emergency valve is provided to shut off the flow of fuel in the event a fuel dispenser is struck with sufficient force to rupture the fuel conduit means therefor. The valve comprises a lower housing connected to a source of pressurized fuel and an uppe... | 10/03/1995 |
| 5435357 | Vapor recovery fuel nozzle systems providing an improved slurpee function A vapor recovery, fuel dispensing nozzle possessing the capability of providing a slurpee function, i.e., removing liquid fuel from the vapor return passage of a hose that connects the nozzle to a fuel dispenser. Removal of the liquid fuel is achieved by ... | 07/25/1995 |
| 5421382 | Vapor recovery nozzles and sub-assemblies therefor A vapor recovery nozzle employed in minimizing atmospheric pollution by fuel vapors is described. The nozzle comprises a bellows which is compressed against the fill pipe of a vehicle during discharge of fuel therein. The bellows surrounds a nozzle spout ... | 06/06/1995 |
| 5404903 | Smart vent valve for cargo tanks employed in transporting hazardous commodities A "smart vent" valve is mounted on a liquid storage tank employed in the transportation of liquid. The valve prevents overpressurization of the tank due to increases in vapor pressure and prevents discharge of liquid through the valve in response to press... | 04/11/1995 |
| 5368343 | Pull rings for the operating levers of quick connect/disconnect couplings A quick connect/disconnect coupling comprises locking levers. Pull rings facilitate pivoting of the locking levels to a release position. The pull rings are resiliently mounted on the levers in positions that prevent the pulls rings from interfering with ... | 11/29/1994 |
| 5349994 | Control system for filling tanks with liquids A system for controlling the loading of fuel into a multi-compartmented transport tank interrupts loading of fuel when the level of fuel in any compartment is above a given upper level and prevents loading when the level of fuel is above a given lower lev... | 09/27/1994 |
| 5333653 | Inflatable manhole sealing device A manhole sealing device enables the recovery of vapors displaced from a tank during the process of filling a tank with fuel, through the manhole. The sealing device comprises a sealing gasket, which has an inflation chamber defined by two tubular walls. ... | 08/02/1994 |
| 5273071 | Dry disconnect couplings A dry disconnect coupling comprises an adapter connected to a liquid conduit and a coupler connected to another liquid conduit. The adapter and coupler each have poppets which seal passageway outlets thereof when they are disconnected. When connected, mea... | 12/28/1993 |
| 5232028 | Vapor recovery drop tubes A drop tube/adapter unit, mounted on the riser pipe of a fuel storage tank, defines a fuel inlet path and an annular vapor return path during a loading operation. A vapor valve, provided in the vapor return path, prevents escape of vapors when a loading o... | 08/03/1993 |
| 5222520 | Fuel hose breakaway unit A breakaway unit which is adapted to be mounted in series flow relation with a fuel nozzle. The breakaway unit comprises a flex section which assures an axial transmission of forces to a valve section which is separated when a vehicle drives away from a d... | 06/29/1993 |
| 5222832 | Spill containment devices and their installation A below grade, spill containment device for connection with the riser pipe of an underground fuel storage tank. The containment device is disposed within and isolated from a manhole, which is mounted in a concrete apron. The containment device comprises a... | 06/29/1993 |
| 5193569 | Emergency shut-off valves An emergency valve is provided to shut off the flow of fuel in the event a fuel dispenser is struck with sufficient force to rupture the fuel conduit means therefor. The valve comprises a lower housing connected to a source of pressurized fuel and an uppe... | 03/16/1993 |
| 5184654 | Vapor recovery sealing devices A sealing unit effects a connection between a loading boom and a manhole on a tank car. Liquids are delivered through the boom into the tank car. Vapors displaced from the tank are transmitted, through the sealing unit, to conduit means, which enable disp... | 02/09/1993 |
| 5183702 | Barrier fabrics A liquid impermeable barrier fabric which resists penetration of liquids under finite hydraulic heads and maintains that capable after upwards of 75 institutional washing/sterilization cycles. The barrier fabric istructurally characterized by a silicone m... | 02/02/1993 |
