...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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 |
| 7235209 | Apparatus for heat treatment of structural body parts in the automobile industry Apparatus for heat-treating an elongate structural body part made from a blank compressed while being soft or from steel strip of hardenable 22 Mn B5 mod. steel sheet with a thickness of 1 mm to 3 mm, includes an apparatus for positioning the structural body part in... | 06/26/2007 |
| 7019265 | Turntable incorporating heating means and oven incorporating the same A turntable (19) for an oven comprising a surface for heating a food item (27, 75) placed on the turntable (19), wherein the turntable (19) is provided with integral heating means (29). The turntable may be incorporated into an ove... | 03/28/2006 |
| 6895032 | High-pressure processing apparatus A high-pressure processing apparatus for supplying a pressure medium into a high-pressure processing chamber 4, which is formed in a pressure vessel 1 to treat a workpiece at a high pressure, is provided. The pressure vessel 1 includes a first v... | 05/17/2005 |
| 6160247 | Induction hardening apparatus for a crankshaft An induction hardening apparatus for inductively heating and quench hardening a crankshaft includes an arrangement of two workstations similarly configured and a robotic device indexing the crankshaft from a first workstation to a second workstation. The ... | 12/12/2000 |
| 5373144 | Improvements in induction heating device A heating device for heating objects, such as moulding tools for preheating them, removing rubber, to produce shrink fit operations and other treatments of objects (11, 12, 13) which consist, at least partly, of metal, the device comprising a core (2) of ... | 12/13/1994 |
| 5260019 | Method and apparatus for heating liquid samples, and a container for use in the apparatus In a method and an apparatus for heating large amounts of uniform milk samples (11) to about 40° C. preparatory to laboratory analyses, the samples are currently introduced into a carrousel-like machine. The machine has two axially offset levels (II and ... | 11/09/1993 |
| 4906268 | Heating oven for preparing optical waveguide fibers A method for consolidating a porous glass preform is provided in which a preform is placed in a stationary elongated chamber and selected portions of the chamber, distributed along the chamber's length, are sequentially heated above the preform's sinterin... | 03/06/1990 |
| 4857689 | Rapid thermal furnace for semiconductor processing A semiconductor wafer processing furnace includes an elongated processing chamber enclosing a first zone and a second zone extending along a first reference axis, and a wafer support assembly having a support member and associated translation elements for... | 08/15/1989 |
| 4818833 | Apparatus for radiantly heating blade tips An abrasive, wear resistant layer is applied to the tip surface of a superalloy gas turbine blade by high temperature sintering operation which produces a high strength bond between the layer and the blade, minimizes gamma prime phase growth, and prevents... | 04/04/1989 |
| 4673785 | Automatic apparatus for induction hardening Automatic apparatus for the induction hardening of parts of track links includes a frame for supporting the inductors which can oscillate in a horizontal plane above the links so as to enable the induction hardening of links of different shapes and dimens... | 06/16/1987 |
| 4604510 | Method and apparatus for heat treating camshafts A method and apparatus for heat treating camshafts includes a retractable shield positioned between a previously hardened surface and a surface being heat treated. During the induction heating and quenching cycle, a coolant is delivered to the hardened su... | 08/05/1986 |
| 4531987 | Method for inductively heat treating workpiece bore walls A method and apparatus of quench hardening to a desired depth the full axial extent of the wall surface, or selected portions of the wall surface, of an axially extending bore in an elongated workpiece wherein the bore has a selected uniform cross-section... | 07/30/1985 |
| 4477708 | Apparatus for preheating the ends of upset steel pipes Both thickened end portions of predetermined lengths of an upset steel pipe are preheated simultaneously, in advance of heat treatment of the pipe, in an apparatus provided with means for raising or lowering the stationarily supported upset steel pipe and... | 10/16/1984 |
| 4418260 | Wood treating method and apparatus for facilitating removal of ferrous materials therefrom Pallet nails are subjected to induction heating to char the wood therearound. A pair of induction coils are brought into engagement with the frame pieces of the pallet and with the boards nailed to the frame pieces such as to place the nails within the ed... | 11/29/1983 |
| 4401485 | Method for inductively heating thin-walled elongated workpieces A method and apparatus of quench hardening to a desired depth the inner surface of an axially extending bore in an elongated, thin-walled workpiece having an outer, axially extending surface wherein the bore has a selected, uniform cross-sectional shape, ... | 08/30/1983 |
| 4237359 | Method and apparatus for the electroinduction heating of metal workpieces A method of heating metal workpieces so as to minimize scale formation and decarburization using an electroinduction heater, comprises placing the workpiece in the vicinity of the induction heater, reducing the air present in the vicinity of the workpiece... | 12/02/1980 |
| 4199672 | Apparatus for curing coatings on welded longitudinal seams of can bodies Can bodies having welded longitudinal seams with a heat curable coating thereon are carried longitudinally past an induction heater for curing the coating. The induction heater includes first and second stages for respectively rapidly heating the seams to... | 04/22/1980 |
| 4195213 | Feeding mechanism for induction heating coil Feeding means for successively advancing elongated workpieces step-by-step, through the central workpiece receiving passage in a multiturn induction heating coil with a workpiece supporting slide track extending therethrough, has an elongated workpiece pu... | 03/25/1980 |
| 4194728 | Apparatus for the inductive hardening by quenching of bearing surfaces of a crankshaft An apparatus for inductively hardening by quenching of the running surface of bearings of a crankshaft in which the crankshafts are transported by a lifter-conveyor system to a clamp which grips the crankshaft and is pivoted about a lever arm pivotably mo... | 03/25/1980 |
| 4160891 | Furnace for the inductive heating of metallic workpieces A furnace for the inductive heating of metallic workpieces with an induction coil body encompassing a furnace space through which workpieces on receivers are transported. The receivers are a pair of hollow tubes extending in parallel through the furnace s... | 07/10/1979 |
| 4079222 | Continuous heating induction furnace A continuous heating induction furnace in which workpieces are mounted on a receiver for step-wise movement from a furnace inlet to outlet through a longitudinally extending chamber. A pair of lifter rods extend through bores at the chamber floor to engag... | 03/14/1978 |
| 3989916 | Induction heating appliance for a cooking utensil An electrically conductive material is heated by Joule heat generated by an eddy current loss and a hysteresis loss which are invited by a magnetic field injuced in the material by a current flowing in proximity to the material. The power output of the he... | 11/02/1976 |
| 3987268 | Power switching and control mechanism for induction heating apparatus A first hollow control shaft is rotatable within a housing between actuating and restoring positions with intermediate ON-OFF positions therebetween. A first insulating actuator is rotatable within the housing to operate at least a pair of normally open c... | 10/19/1976 |