Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 5813760 | Reciprocating mix tank agitator and process for mixing the liquid contents of the tank An agitator for a paint mix tank is characterized by a paddle that has passages in it extending between opposite sides thereof and that is reciprocated up and down in the tank to keep the paint mixed and pigments and fillers in the paint in suspension. Th... | 09/29/1998 |
| 5741178 | Reducing area, increasing velocity paint booth structure and method A paint booth structure and method having, in one form a specially shaped painting volume wherein the painting occurs is provided with an air flow system to carry away paint overspray and a decreasing cross-sectional area in the direction of air flow to c... | 04/21/1998 |
| 5740718 | Modular piston rod assembly with integrated high-wear components A piston rod assembly is provided for operation in an outer cylinder. The piston rod assembly includes a first rod having first and second regions, wherein the first region has a hole transversely aligned relative to the longitudinal axis of the first rod... | 04/21/1998 |
| 5725358 | Pressure regulated electric pump A pressure regulated electric pump is characterized by a positive displacement double acting reciprocating pump driven by an electric motor through a planetary roller screw. A controller senses the pressure of liquid at an outlet from the pump and varies ... | 03/10/1998 |
| 5655778 | Bellows self-threading seal A method and apparatus for improving a seal of a pliant tubular member on a cylindrical shaft. The seal is in the form of an articulating seal member positioned on a piston rod of a reciprocating pump and in this invention, is for use in a system that has... | 08/12/1997 |
| 5647542 | System for electrostatic application of conductive coating liquid A system for electrostatic application of conductive coating liquid has a grounded primary supply of conductive coating liquid, an electrostatic spray device and a system for delivering coating liquid from the primary supply to the spray device while main... | 07/15/1997 |
| 5618001 | Spray gun for aggregates A spray gun for spraying fluent materials having a high concentration of particulate matter. The spray gun is connected to a source of pressurized air and a source of spray materials. The air and spray materials mix in a nozzle, atomizing the fluid in the... | 04/08/1997 |
| 5599177 | Precision metered multiple fluid pumping system A precision metering, multiple fluid pumping system comprised of a main pump for pumping a primary fluid and an auxiliary pump for pumping a secondary fluid adjustably linked to work in unison with the main pump. The auxiliary pump is linked to the main p... | 02/04/1997 |
| 5553788 | Spray gun assembly and system for fluent materials A spray gun for spraying fluent materials comprising a valve chamber, a nozzle connected to the chamber at one end thereof, inlet and outlet ports communicating with the valve chamber, and a valve element having a hollow interior displaceable in the chamb... | 09/10/1996 |
| 5423662 | Precision metered multiple fluid pumping system A precision metering, multiple fluid pumping system comprised of a main pump for pumping a primary fluid and an auxiliary pump for pumping a secondary fluid adjustably linked to work in unison with the main pump. The auxiliary pump is linked to the main p... | 06/13/1995 |
| 5415531 | Piston pump for fluent materials A pump that is in essence leak-proof and prevents the escape to ambient atmosphere of environmentally hazardous fluent materials is comprised of an outlet block defining a pump chamber having a fluid inlet and a fluid outlet, a piston having one end recip... | 05/16/1995 |
| 5356334 | Apparatus and method for airborne particulate booth Apparatus and method for an airborne particulate booth, such as a dust or paint, include a velocity sensing device for detecting the velocity of the air flow in the booth, utilizing, in a preferred form, a pendulum mounted sail. The air flow from the boot... | 10/18/1994 |
| 5351887 | Pumping and spraying system for heavy materials A pumping and spraying system for heavy filled viscous primary fluid material comprised of a pump for such materials that will pump the primary fluid without cavitation and a plural component spray gun that will spray the material on demand and automatica... | 10/04/1994 |
| 5303865 | Plural component external mix spray gun and method A plural component external mix air-assisted/airless spray gun has an airless tip from which resin is emitted in a fan-shaped spray and an injector nozzle for directing an unatomized stream of catalyst into the resin adjacent to the airless tip. The catal... | 04/19/1994 |
| 5299740 | Plural component airless spray gun with mechanical purge A plural component airless spray gun for mixing and dispensing coreactive liquid materials has a mixing chamber into which coreactive components are introduced and mixed, an airless tip at a forward end of the chamber and from which the mixed components a... | 04/05/1994 |
| 5288525 | Method of and system for delivering conductive coating material to electrostatic spraying apparatus A system for coupling a grounded color changer to an electrostatic coating material sprayer electrically isolates the color changer from a high voltage at the sprayer. The system has a fluid path extending from the color changer to the sprayer and a reser... | 02/22/1994 |
| 5180104 | Hydraulically assisted high volume low pressure air spray gun A hydraulically assisted high volume low pressure air spray gun has an airless tip for hydraulically emitting a fan-shaped pattern of liquid coating material, an atomizing air orifice for emitting air to pneumatically break up the pattern of coating mater... | 01/19/1993 |
| 5153034 | Paint spray booth with plenum means of reduced cross section and method of operating the same A paint spray booth apparatus and method, particularly for automated paint applications, is illustrated and disclosed. The booth has a spray painting chamber and a plenum thereabove. Unlike prior art booths, the plenum of the present invention provides ai... | 10/06/1992 |
| 5146946 | Apparatus for improving the viscosity of coating materials A system for improving the viscosity of coating materials comprised of coaxial hoses inserted in a coating material supply hose. A heating fluid is continuously circulated through the coaxial hoses to heat a thin film of coating material in the supply hos... | 09/15/1992 |
| 5135550 | Recirculating water washer means and method A recirculating washer for a paint spray booth is illustrated and described, and uses upward air motion and gravity to recirculate water on and along two or more recirculating baffles facing each other to form one or more curtains of water for cleaning pa... | 08/04/1992 |
| 5113600 | Combination paint spray booth-drying oven with single air fan A paint spray booth, which can also be utilized as a paint drying oven is disclosed and is especially suitable for use in businesses, such as automobile repair shops, to both paint and quickly bake the paint so that the number of automobiles that may be h... | 05/19/1992 |
| 5102045 | Apparatus for and method of metering coating material in an electrostatic spraying system An electrostatic spray coating system has a reservoir into which a metered quantity of electrically conductive paint is flowed from a grounded color changer and through a first flow meter. After filling the reservoir, at least a portion of the flow path b... | 04/07/1992 |
| 5102046 | Color change systems for electrostatic spray coating apparatus Color change systems for electrostatic coating apparatus are characterized by a dielectric manifold in-line between supplies of different colors of coating materials and a material supply line to the apparatus. To initiate a coating operation, a selected ... | 04/07/1992 |
| 5099871 | Low friction proportional unloading valve A low friction proportional unloading valve mechanism for pressurized fluid circuits incorporating a valve housing forming primary and bypass fluid circuits. A normally closed unloading valve normally prevents the flow of incoming fluid to the bypass flui... | 03/31/1992 |
| 5094596 | High pressure piston pump for fluent materials A pump assembly especially adapted for pumping viscous and/or abrasive materials is comprised of a pair of opposed single acting piston pumps operated alternately by an interposed reciprocal actuator, and a static chamber interposed between each pump and ... | 03/10/1992 |
| 5074238 | Production line paint spray booth with dual slots An improvement for a production line, downdraft type paint spray booth having a conveyor for carrying the parts to be painted, having a recessed portion for containing the conveyor and dual slots, on one or either side of the conveyor for air flow is disc... | 12/24/1991 |
| 5074466 | Fluid valve stem for air spray gun An improved fluid valve stem for an air spray gun has a triangular-shaped forward end extended into a cylindrical fluid outlet passage of a fluid nozzle. The triangular-shaped forward end forms liquid coating material flowing therepast into a hollow cylin... | 12/24/1991 |
| 5064119 | High-volume low pressure air spray gun A high volume low pressure air spray gun has an atomizing air orifice for atomizing a stream of liquid coating material into a conical spray and opposed side port air orifices for flattening the spray into a fan-shaped pattern. The gun receives air at pre... | 11/12/1991 |
| 5042420 | Trapezoidal painting structure A painting structure for use as, by way of example, a paint spray booth or paint baking or drying oven, utilizes a trapezoidal cross-section, instead of the conventional rectangular/square or rectangular-gabled cross-section. The painting structure of the... | 08/27/1991 |
| 5034042 | Structure and filter for paint spray booth A structure and a filter suitable for a paint spray booth, oven, or a combination booth and oven is described and includes outer walls enclosing the structure, only a portion of which provides the structural support for the booth's walls and roof. The int... | 07/23/1991 |
| 5004403 | Pressure responsive drivers for reciprocating pump and method A pressure responsive driver couples a reciprocating motor output to a reciprocable piston of a double-acting pump. In one embodiment, the driver comprises a single spring and in another a pair of springs, which transfer reciprocation forces of the motor ... | 04/02/1991 |
| 4953403 | Positive displacement flushable flow meter A positive displacement flushable flow meter has sensing elements that are rotated by and at a rate in accordance with a flow of fluid through the flow meter. The flow meter is particularly adapted for measuring the volume flow rate of coating material su... | 09/04/1990 |
| 4932589 | Method of and apparatus for electrical isolation of electrostatic sprayers Apparatus for coupling a grounded color changer and associated supplies of conductive paint to an electrostatic paint sprayer isolates the color changer and paint supplies from a high voltage at the sprayer. The apparatus has at least one reservoir into w... | 06/12/1990 |
| 4927079 | Plural component air spray gun and method A plural component air spray gun is characterized by a spray head assembly that has a pair of hemispherically shaped fluid outlet orifices, the straight sides of which are facing, parallel and separated by a relatively thin wall. Each orifice receives a r... | 05/22/1990 |
| 4846226 | Color changer A modular color changer provides selected paint colors for spraying and recirculates nonselected colors. A module is provided for each paint color to be selected, and each module has an inlet for connection with a respective supply of paint, a recirculate... | 07/11/1989 |
| 4795096 | Dry media injection system and device A system and device for adding dry media to a liquid stream or fan-shaped spray of paint or other suitable liquid material emerging from a spray gun. The dry media are added to the liquid stream by connecting a nozzle spray guard having hose connectors wi... | 01/03/1989 |
| 4791946 | Alternating selectable cleaning fluid to air purging system A system for purging fluid delivery systems such as paint spray guns with non-toxic, non-polluting cleaning solvents. A sealed tank is provided for storing a cleaning solvent with air pressure applied to deliver the cleaning solvent through a coaxial hose... | 12/20/1988 |
| 4776368 | Fluid pressure regulator A fluid pressure regulator, for controlling the pressure of fluid in accordance with the pressure of an air signal, is characterized by a housing having a chamber divided into fluid and air chambers by at least two flexible diaphragms. The fluid chamber h... | 10/11/1988 |
| 4776520 | Rotary atomizer A coating applicator has a rotary atomizer detachably mounted directly on a front end of a rotor of an air driven turbine for convenient removal and cleaning of the atomizer. The rotor and atomizer are forward of bearings that rotatably mount a shaft for ... | 10/11/1988 |
| 4775291 | Magnetic clutch drive and thrust balancing mechanism for rotary pumps A magnetic clutch drive for rotary pumps is characterized by a motor driven outer magnetic clutch member juxtaposed to an imperforate wall of a pump housing. Within the interior of the housing a pump impeller shaft carries an inner magnetic clutch member ... | 10/04/1988 |
