...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 |
| 7703544 | Method for shaping a leather Method for setting a leather skin (12) having an outer surface designed to be visible, includes a step of applying a rigidity increasing treatment, a step of setting the skin using a mould cooperating with the outer surface of the skin (12), one at lea... | 04/27/2010 |
| 7325622 | Extinguishing-medium container and system of containers Extinguishing-medium container includes a tubular body (2) which can be coupled together with a first and a second end piece (5, 6), which second end piece (6) has at least one outlet duct (33) for ejection of extinguishing medium (26 | 02/05/2008 |
| 7121353 | Airborne vehicle for firefighting An airborne vehicle (1, 2, 10) which is equipped with an extinguishant container (12) for mist extinguishing is specified for efficient firefighting. A detonator (18) which is located on the extinguishant container (12) can be detonated v... | 10/17/2006 |
| 7108074 | Device with a storage tank that is filled or can be filled with an active ingredient and atomizer unit The apparatus (1e, 1f) according to the invention has a storage tank (5) which is or can be filled with an active substance (3), a pyrotechnic charge (6; 39) in a first end region (9) of the storage tank (5 | 09/19/2006 |
| 6871802 | Self-modulating inert gas fire suppression system A relatively low pressure inert gas hazard suppression system (20) is provided which is designed to protect a room (22) or the like from the effects of fire or other hazard. The system (20) includes a plurality of pressurized inert gas cylinders... | 03/29/2005 |
| 6431465 | On-off valve and apparatus for performing work An apparatus and process for generating a pulsed high-speed fluid jet that can be used to extinguish fires and/or to launch a projectile. A valve, such as an instant on-off valve, preferably operates in combination with a pressure accumulator. In a contro... | 08/13/2002 |
| 6386293 | Fire combating system and method A reservoir of super absorbent polymers which can be independently pressurized, remotely stored and a supply of water which is admixed with the SAP at a point closely adjacent of an adjustable nozzle. In one embodiment the system involves a home unit with... | 05/14/2002 |
| 6371213 | Liquid or foam fire retardant delivery device with pyrotechnic actuation and aeration A device for discharging a fire retardant material comprising a housing capable of storing a fire retardant material. The housing has an initiator attached to a first end, while a discharging port is attached at a second end. Additionally, sealed within t... | 04/16/2002 |
| 6340058 | Heat triggering fire suppressant device A fire suppressant device that may be rendered automatic by exposing the device to an elevated temperature. The preferred device comprises a canister housing with a uniform cross section throughout its length, and includes a piston member disposed for sli... | 01/22/2002 |
| 6244523 | Pressurized injector A pressurized injector comprises a barrel, an injecting end fastened with one end of the barrel, a piston disposed in other end of the barrel and provided with a pull rod fastened therewith. The piston contains a liquid propellant, which reacts with a pow... | 06/12/2001 |
| 5992531 | Fire extinguisher A fire extinguisher including a spring biased plunger controlled by a trigger mechanism wherein the plunger is mounted in a flame retardant compound container and the spring and plunger cooperate, when the trigger mechanism is activated, to discharge flam... | 11/30/1999 |
| 5899277 | Method and device for suppressing an explosion-like fire, in particular of hydrocarbons There are described a method and a device for suppressing an explosion-like fire, in particular of hydrocarbons, by means of a fire extinguishing agent, which under pressure at a speed adapted to the speed of propagation of the fire is distributed in the ... | 05/04/1999 |
| 5660236 | Discharging fire and explosion suppressants A nozzle unit for discharging and atomizing a fire or explosion suppressant comprises a rigid-walled cylindrical container having a nozzle portion at one end with radially directed discharge orifices. A rupturable barrier normally blocks the nozzle portio... | 08/26/1997 |
| 5335734 | Reciprocating additive mixing pump apparatus and method A pump apparatus dispenses a liquid and additive mixture and has a pump cylinder with intake and discharge ports with associated valves. An additive supply communicates with the pump cylinder to supply additive with liquid drawn into the pump during an in... | 08/09/1994 |
| 5115947 | Collapsible water tank A portable, collapsible water tank suitable for use in combatting forest fires and the like that is manufactured from a flaccid synthetic material or a coated fabric which is capable of being ultrasonically welded. The bag is preferably made from a single... | 05/26/1992 |
| 4917193 | Fire suppression attachment for rubber-tired skidder vehicles An attachment for a rubber-tired skidder vehicles which is releasably and supportably mountable to the skidder. The attachment comprises a tank which includes a water tank compartment for storing water and a drive tank compartment for storing a hydraulic ... | 04/17/1990 |
| 4696347 | Arrangement for propulsion liquids over long distances An arrangement for propelling liquids over long distances involves enclosing liquid in a plurality of thin plastic spheres having a dimpled surface. The liquid containing spheres are propelled over substantial distances by shooting them from a pipe by mea... | 09/29/1987 |
| 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 |
| 4645487 | Device for administering powdered substances The device includes a sprayer of powdered substances having a conveying line which includes a coaxially arranged drain pipe and a catheter. The sprayer includes a piston with a valve and a cylindrical housing having a valve and a diametral partition with ... | 02/24/1987 |
| 4240507 | Fire extinguishing system having a dosaging cylinder for an additive Fire-fighting apparatus including a main cistern to be suspended from a flying machine and flown to fires. One or more openings in the bottom readily admit water to fill the cistern and are then closed by a gate until the cistern has been flown to the fir... | 12/23/1980 |