Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
PatentStorm News
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 |
| 7192272 | Convection oven with laminar airflow and method A convection oven with laminar airflow and/or moisture injection. A radial airflow fan is used to provide a circulating airflow that is substantially even and substantially turbulence free. The circulating airflow is provided to an oven chamber via a plurality of eg... | 03/20/2007 |
| 6269998 | Process for manufacturing electronic circuits The process for manufacturing an electronic circuit includes disposing an electronic device on a circuit substrate and hot melting a solder formed on the electronic device or the circuit substrate to bond the electronic device and the circuit substrate. T... | 08/07/2001 |
| 5707228 | Heat treatment machine having a cooling chamber The present invention relates to a heat treatment machine for laboratory use which has a cooling chamber incorporated with a heating chamber of a furnace, both chambers are formed with a vacuum tube of simple construction, in which heating and cooling of ... | 01/13/1998 |
| 4717340 | Debinderizer for rapidly removing binder from a green body The disclosure relates to a system for removing binder from "green" bodies wherein debinding action takes place substantially uniformly throughout the sytem for large load as well as for small loads. This result is obtained by providing a plurality of she... | 01/05/1988 |
| 4518353 | Vacuum sintering furnace The disclosure relates to a vacuum sintering furnace having a lubricant eliminating section, sintering section and cooling section which are aligned in series and connected by connecting hood means to each other so that a workpiece may be directly transfe... | 05/21/1985 |
| 4318693 | Axial fan turning diffuser The axial fluid flow fan comprises a shaft, an impeller mounted on said shaft comprising a tankhead and a plurality of blades, a drive means attached to the shaft for rotating the impeller and a deflector having a bugle bell shape defined by a small diame... | 03/09/1982 |
| 4278421 | Industrial furnaces for the heat treatment of metallic workpieces An industrial furnace, particularly a single-chamber vacuum furnace, for heat treatment of metallic workpieces, with a heating chamber which is formed in a housing, which heating chamber is heatable via heating elements and is provided on the bottom and... | 07/14/1981 |
| 4191598 | Jet recirculation method for vacuum carburizing A method and apparatus for recirculation of atmosphere in a vacuum furnace which comprises a recirculation loop in which there is a low pressure line from the furnace chamber leading to a recirculation pump which pumps the recycled gas at a higher pressur... | 03/04/1980 |
| 4191525 | Aspiration circulation system and method An improved atmosphere circulation system involving the use of aspirators for inducing turbulence of pressurized atmosphere within a vessel promotes temperature uniformity within the vessel and, for a given degree of temperature uniformity, reduces energy... | 03/04/1980 |
| 4183145 | Method of spray-drying liquid and pastelike materials and installation for carrying same into effect A method of spray-drying liquid and pastelike materials which comprises atomization of liquid and pastelike materials and subjection thereof to shock wave action, atomization of the material being effected at the point of the maximum shock wave energy cha... | 01/15/1980 |
| 4094631 | Multiple outlet blower scroll for an industrial oven An industrial oven having a housing defining a work chamber into which products to be treated by the oven may be placed includes a duct system communicating with a blower wheel mounted in the work chamber for communicating air blown by the wheel to the wo... | 06/13/1978 |
