Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 8087594 | Hands-free directable low-pressure air source and method for cosmetology use Disclosed is a variable air source that provides directional control over a low-pressure airflow. The air source is specifically adapted for use in the application of artificial eyelash extensions to a person's individual eyelashes. An air pump provides low pressure... | 01/03/2012 |
| 7367516 | Decontamination liquid spraying appliance A decontamination liquid spraying appliance has a storage container for the receiving decontamination liquid, in particular of GD5 solution, and further has a spraying device flow-connected to the storage container. The appliance is used for the decontamination of o... | 05/06/2008 |
| 7347386 | Sprayer with changeable volume A sprayer with a changeable volume includes a container, a pump, a first pipe, a second pipe and a nozzle. The container includes an upper wall and a lower wall. The upper wall can be compressed while not containing water and extensible for containing water. The low... | 03/25/2008 |
| 7309028 | Portable sprayer A portable sprayer having a backpack to which are secured a blower unit and a supply tank. The blower unit includes a drive motor and a blower driven thereby. The blower unit is mounted on the backpack by at least one anti-vibration element. The supply tank, for exa... | 12/18/2007 |
| 7237729 | Sprayer with changeable volume A sprayer with a changeable volume includes a container, a pump, a first pipe, a second pipe and a nozzle. The container includes an upper wall and a lower wall. The upper wall can be compressed while not containing water and extensible for containing water. The low... | 07/03/2007 |
| 7182222 | Solar panel and water dispenser A beverage cooler is provided having a container for holding a liquid beverage, a spigot extending from the container for dispensing the liquid beverage therefrom, preferably a telescopically extendable boom attached to a side of the container, a solar panel adjusta... | 02/27/2007 |
| 7175104 | Backpack with sprayer An apparatus for spraying chemicals in a forestry environment includes a back pack supported reservoir for containing such chemicals and a variable speed pump for urging the chemicals from the reservoir through a rearwardly oriented spraying unit. Positional and del... | 02/13/2007 |
| 7140325 | Pour-on application method and devices The present invention relates to a device for applying a liquid pesticidal formulation to an external surface of a domestic animal, the device comprising an inlet and a plurality of spaced apart outlets, wherein the device is adapted such that when the middle of the... | 11/28/2006 |
| 7118050 | Sprayer with changeable volume A sprayer with a changeable volume includes a container, a pump, a first pipe, a second pipe and a nozzle. The container includes an upper wall and a lower wall. The upper wall can be compressed while not containing water and extensible for containing water. The low... | 10/10/2006 |
| 7007826 | Portable fluid dispenser and method In some embodiments, a portable fluid dispenser is provided having a tank, a pump coupled to the tank for pumping fluid therefrom, and a battery connected to the tank for powering the pump. The battery can be part of a removable battery pack received within an exter... | 03/07/2006 |
| 6769628 | Transportable texture applicator A compressed air sprayer used for applying textured material to surfaces, in which the reservoir of texture material is transported on the operator's body using an integrated harness system. The sprayer tank may rest upright on the ground when not being worn, and ma... | 08/03/2004 |
| 6575695 | Centrifugal blower and power working machine A centrifugal blower capable of reducing noise. The centrifugal blower comprises an impeller having a hub plate and a set of blades disposed on at least one surface of the hub plate so as to surround an axis of rotation; and a casing surrounding the impel... | 06/10/2003 |
| 6427779 | Marine portable chemical applicator A chemical foam applicator for fighting shipboard fires, and including a foam mixing nozzle assembly connectable to a pressurized source of water to develop a vacuum for drawing foam concentrate from a jacket worn by the fire fighter. The jacket comprises... | 08/06/2002 |
| 6371385 | Portable spraying device A portable sprayer device which affords protection for the liquid concentrate container. A versatile spraying capability is also provided as well as an apparatus producing a vacuum function, an air gap and a spill-proof bottle feature. The sprayer device ... | 04/16/2002 |
| 6216961 | Fan propelled mister The fan propelled misting apparatus for cooling an extended area by evaporative cooling includes a blower with a hollow, cylindrical mist discharge tube, and a fan for propelling air flow through the mist discharge tube; and a misting device connected to ... | 04/17/2001 |
| 6158670 | Fire hose harness assembly A harness assembly for assisting a user in transporting a fire hose includes an adjustable strap assembly secured to a chest plate. The device is secured to a wearer with the chest plate positioned on the chest and abdomen. Attached to the chest plate is ... | 12/12/2000 |
| 6089477 | Backpack spreader A backpack spreader comprising a hopper having an outlet port. The hopper holds chemical materials therein. A mounting means is for mounting the hopper on a back of a person. A flexible feed tube has a first end connected to the outlet port of the hopper.... | 07/18/2000 |
| 5752661 | Motorized pump backpack liquid sprayer A liquid spaying apparatus is formed by a molded plastic generally rectangular container having a forward surface contoured for contacting the back of a user in backpack fashion. A wheel and axle assembly secured to the forward lower portion of a containe... | 05/19/1998 |
| 5636791 | Backpack sprayer The present invention is for a backpack sprayer which has a reservoir tank fixedly attached to a support frame, the tank having a fill opening located at the top end and a pressure vessel located therein. The pressure vessel has a pump housing located the... | 06/10/1997 |
| 5620140 | Portable mist cooling device An apparatus for delivering a fine spray mist for evaporatively or conductively cooling a localized area. The apparatus consists of a pressurizable container, a valve for activating the release of fluid from he container, a spray nozzle or a plurality of ... | 04/15/1997 |
| 5150837 | Backpack spraying equipment In spraying equipment comprising a base, a tank mounted to the top of the base, and a manually operated pumping system transferring liquid from the tank to a compression chamber, the base, the seatings for the moving parts of the pumping system, and the d... | 09/29/1992 |
| 5148949 | Detachable dispenser for distributing scent or lure A scent dispensing system for use by hunter's or the like when a flexible bottle of scent, with a small aperture at the bottle's bottom is placed in a special holster which attaches to the hunter's foot at the ankle whereby liquid scent is forced out a dr... | 09/22/1992 |
| 4986805 | Firefighter's portable water reservoir and method of making the same A portable water reservoir to be worn by a firefighter to provide a supply of water for use in extinguishing fires, e.g., the remnants of a forest or brushland fire, comprises a garment like body formed of an inner ply of flexible sheet material having a ... | 01/22/1991 |
| 4807813 | Bicycle mounted water toy An amusement device adapted to be mounted to a bicycle or other velocipede designed to promote enjoyment and safty. The amusement device has a fluid reservoir, a pump driven by the velocipede wheel for removing fluid from the reservoir, a conduit for conv... | 02/28/1989 |
| 4688643 | Firefighting back tank and pump A novel portable flexible water tank and pump which can be carried on a firefighter's back and used for fighting forest fires. The water carrying backpack and water pump combination comprises: (a) a flexible hollow waterproof water container; (b) harness ... | 08/25/1987 |
| 4682715 | Detachable shoe-lure dispenser A detachable shoe accessory for dispensing lure directly onto the ground for attracting animals or camouflaging one's own scent. It consists of a container from which deer lure or other scent camouflaging liquid is gradually dispensed onto an elongated, f... | 07/28/1987 |
| 4658778 | Piggyback type blower unit There is provided a piggyback type blower unit. The blower unit comprises a piggyback frame, a fan case incorporating a fan, a powder tank arranged on top of the fan case, a fuel tank arranged behind said fan case, and an engine fixed behind the fan case ... | 04/21/1987 |
| 4651903 | Motorized pump pressurized liquid sprayer Sprayer apparatus with a molded container having a back-support panel for abutting relation with the back of a user while being carried, the container having attached, at the lower end thereof, a stand formed of bent tubing for supporting the container in... | 03/24/1987 |
| 4600129 | Chemicals spreader A chemicals spreader to be carried on the back of an operator has a pack board which has a plurality of grooves provided on the front side thereof for exhausting air. The air is supplied by a fan which is to make a mixture of air and chemicals. The chemic... | 07/15/1986 |
| 4546922 | Multi-colored airbrush attachment system having a spiral mixing chamber and a wrist/arm-mounted paint reservoir An apparatus (unit A) for completely and uniformly mixing different colored paints from a reservoir (unit B) is constructed from upper and lower sections (9) and (11). Different colored paints from reservoir (unit B) are supplied through lines (15) to inl... | 10/15/1985 |
| 4384675 | Gaseous fluid pump and liquid spray apparatus incorporating such a pump Co-operating formations (28 and 29) are provided within the chamber formed by a resiliently deformable air pump body (13) which has concertina sidewalls (23) so that the enclosure surrounded by the sidewalls (23) is substantially filled by the formations ... | 05/24/1983 |
| 3966092 | Manually operated man-portable sprayer The invention relates to a manually operated man-portable sprayer comprising a reciprocating pump the body of which extends through the upper wall of the reservoir, through which it can be caused to slide by a side-mounted actuating lever, said pump being... | 06/29/1976 |
