...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.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7018504 | Loadlock with integrated pre-clean chamber A wafer carrier adapted to hold a plurality of wafers and is positioned on an elevator plate in a load lock. The elevator plate is adapted to move between a first position with the carrier in a first chamber of the load lock and a second position with the carrier in... | 03/28/2006 |
| 6555164 | Shadow ring and guide for supporting the shadow ring in a chamber The invention generally relates to a processing system and related methods that include a chamber, a pedestal disposed in the chamber, a shadow ring and a set of alignment and support tabs which receive and directly align a substrate with a shadow ring, s... | 04/29/2003 |
| 6168668 | Shadow ring and guide for supporting the shadow ring in a chamber The invention generally relates to a processing system and related methods that include a chamber, a pedestal disposed in the chamber, a shadow ring and a set of alignment and support tabs which receive and directly align a substrate with a shadow ring, s... | 01/02/2001 |
| 6069342 | Automated multiple lead frame strip radiant die attach material curing apparatus A method of curing a die attach material for a semiconductor device which includes providing a carrier containing a plurality of stacked leadframe strips, each leadframe strip with a die attach material thereon. One leadframe strip is ejected from the car... | 05/30/2000 |
| 5738767 | Substrate handling and processing system for flat panel displays A vacuum processing system for handling and processing rectangular glass panels for flat panel displays has a cluster configuration. The system includes a central buffer chamber, with multiple processing chambers, a load lock and an unload lock positioned... | 04/14/1998 |
| 4752215 | Space saver log pusher A method and apparatus for heating metal logs of a predetermined length in which the logs are cut into billets for an extrusion press. A furnace has an elongated heating chamber with an entrance opening and an exit opening. A pusher table is mounted adjac... | 06/21/1988 |
| 4523972 | Method of and apparatus for handling crystal ingots A semiconductor crystal ingot (14) is supportively engaged by an ingot handling apparatus (22) which contacts a base (38) of the ingot (14) with a base support (36) and opposite sides of a lateral surface of the ingot (14) with at least one pair of jaws (... | 06/18/1985 |
| 4472171 | Method and system for removing slag Method and/or system for removing liquid slag from a pressurized gasifier. Hot liquid slag is quenched in a quenching medium such as water. The quenched and solidified slag is crushed to a maximum particle size. The crushed slag and quenching medium are a... | 09/18/1984 |
| 4402642 | Machine tool bar feed Bar stock is fed to the chuck of a machine tool by a ball chain having a rigid pusher at the end engagable with the bar stock, the ball chain being advanced by a wheel having pockets for the ball chain.... | 09/06/1983 |
| 4395231 | Methods of and apparatus for sintering tubular ceramic articles In a pass-through sintering furnace for sintering a succession of ceramic tubes fed lengthwise through the furnace and rotated as they pass through the furnace, the tubes, when heated in the furnace, are kept apart by pushing each tube into the furnace at... | 07/26/1983 |
| 4336131 | Gasification furnace with discharge hopper A continuous gasification furnace and method of operation. The charge is fed into the furnace chamber between two rolls at least one of which is driven. The furnace chamber can be sealed from the ambient atmosphere. The bed of the furnace contains three z... | 06/22/1982 |
| 4253915 | Pressure rod for a coke discharge apparatus The present pressure rod for a coke discharge apparatus is constructed of hollow sectional components or tubular members interconnected with one another, whereby a lightweight structure is achieved. The hollow sectional components or tubular members are i... | 03/03/1981 |
| 4227468 | Immersion piece for the ash funnel of a combustion chamber An immersion plate fastened to the ash funnel of a steam generator combustion chamber and protruding into the water surface of a trough of a wet-ash remover filled with quenching water and located underneath the ash funnel. Carriers pass transversely thro... | 10/14/1980 |
| 4190498 | System to acquire and monitor operating machinery positions for horizontal coke oven batteries In a horizontal coke oven battery with at least one coke receiving device movable along one longitudinal side of the battery and at least one coke driving device movable along an opposite longitudinal side of the battery, an apparatus for determining the ... | 02/26/1980 |
| 4145257 | Discharge apparatus for inclined coke ovens A device for automatically detaching and/or loosening coke within a coke oven chamber, particularly such a chamber of the type having an inclined or obliquely extending floor, includes a track support adapted to be mounted at a position confronting the co... | 03/20/1979 |
| 4074638 | Apparatus for agitating and removing non-combustible material from an incinerator An apparatus for agitating and removing ash and non-combustible materials from an incinerator. Waste material is thermally decomposed in a primary combustion chamber of the incinerator resulting in the generation of combustible waste gases which are fully... | 02/21/1978 |
| 4072885 | Control system and method for removal of coke from a coke oven A method and control apparatus are disclosed for providing incremental position regulation of industrial apparatus, and for synchronizing movement of the apparatus, where an illustration of such industrial apparatus could be a coke transfer hot car, movin... | 02/07/1978 |
| 4067462 | Coke oven pushing and charging machine and method A combined coke oven pushing and charging machine is supported on tracks for movement along the front of a bank of coke ovens and is operable to open an oven door, push the coke from the open oven, and close the oven door, and to open the door of an adjac... | 01/10/1978 |
| 4067461 | Safety control apparatus for coke oven batteries A programmed pusher machine and coke guide machine are provided with interlocks, and ovens are each provided with identifying means that can be sensed by means on each of the machines, to insure that the scheduled oven in a coke oven battery is safely pus... | 01/10/1978 |
| 4039148 | Conveying device for long articles within heat treatment furnaces A conveying device for conveying long articles within heat treatment furnaces, the driving means of which includes a drive mechanism and at least one element of linear form, for conveyance of the articles, driven by means of the drive mechanism. Product c... | 08/02/1977 |
| 3947254 | High-temperature abrasion-resistant coating on a ferrous metal substrate A method of forming a high-temperature abrasion-resistant hard facing or coating on a ferrous metal substrate by employing an aluminothermic reduction reaction. The resultant article has a hard facing layer containing from 2 to 8 percent boron. Hard faced... | 03/30/1976 |