Quotables
"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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 |
| 7169371 | Process for the treatment of molybdenum concentrate A method of treatment or purification of a molybdenum concentrate also containing copper, comprises the step of subjecting the molybdenum concentrate to pressure oxidation in the presence of oxygen and a feed solution containing copper (e.g. CuSO4) and ha... | 01/30/2007 |
| 7140989 | Floor hockey puck A method of manufacturing a floor hockey puck comprises the steps of bonding a pair of felt discs together in a coaxial relationship by means of a flexible adhesive sandwiched between the discs to form a flexible core between the discs and applying a strip of protec... | 11/28/2006 |
| 7066851 | Floor hockey puck A floor hockey puck comprises a pair of felt discs bonded together by means of a flexible adhesive sandwiched between the discs forming a core which acts as a weight element to import sufficient weight to the puck to approximate the movement of an ice hockey puck on... | 06/27/2006 |
| 7037482 | Solvent extraction of a halide from a aqueous sulphate solution A method of extracting a halide and sulphate from an aqueous sulphate solution, such as a zinc sulphate solution, comprises subjecting the solution to solvent extraction to extract halide and sulphate from the solution and controlling the amount of sulphate extracte... | 05/02/2006 |
| 6941879 | Process and gas generator for generating fuel gas A process and gas generator is disclosed for generating by dry distillation of solids and gasification of solids, a fuel gas substantially free of condensable dry distillation volatiles which would interfere with the intended use of the gas, e.g. for powering an int... | 09/13/2005 |
| 6863484 | Catamaran transfer vessel A transshipper for floating on water comprises a pair of elongate buoyant vessels arranged in parallel spaced relationship for receiving a feeder barge to be unloaded between the vessels. The platform is supported by the buoyant vessels in a raised position above th... | 03/08/2005 |
| 6755891 | Process for the treatment or removal of impurities in a hydrometallurgical extraction process A Process for the treatment or removal of impurities, such as arsenic, antimony or bismuth, generated as by-products during smelting and refining of copper concentrates, comprises subjecting the by-products to pressure oxidation along with a copper concentrate in a ... | 06/29/2004 |
| 6736877 | Heap bioleaching process for the extraction of zinc A method of extracting zinc from a sulphidic ore is provided which comprises bioleaching the ore in a heap with acidophilic microorganisms to produce a pregnant leach solution which is recovered from the bottom of the heap. An integrated process which comprises subj... | 05/18/2004 |
| 6692004 | Game playing apparatus A set of cards for playing a game is provided. Each card has items selected from a predetermined category printed thereon. The category is identified on the card and items are arranged in subgroups according to different degrees of difficulty regarding th... | 02/17/2004 |
| 6622434 | Safety enclosure shield panel support system A shield panel support, for providing a vertical side edge support for a shield panel, comprises a transparent shield panel support pillar.... | 09/23/2003 |
| 6609543 | Vessel for storage and distribution of material A vessel for use on land for the storage and distribution of material such as a dockside storage terminal, comprises a hull which is subdivided into a plurality of hoppers. Each hopper is provided with a discharge opening at a lower end thereof for the gr... | 08/26/2003 |
| 6471849 | Process for the recovery of zinc from a zinc sulphide ore or concentrate A processs for the recovery of zinc from a zinc sulphide ore or concentrate comprises the steps of subjecting the concentrate to pressure leaching with an acidic solution containing at least about 15 g/L iron in solution to produce a zinc solution and a s... | 10/29/2002 |
| 6467684 | Pre-paid card system for purchasing products or services A pre-paid card system is provided for paying for purchases over an electronic or computer network, such as the Internet. The system includes a plurality of cards each having a unique identity number associated therewith. The cards have different purchasi... | 10/22/2002 |
| 6455019 | Process for the extraction of copper from a sulphide copper ore or concentrate A process for the extraction of copper from a sulphide ore or concentrate comprises the steps of subjecting the ore or concentrate to pressure oxidation in the presence of oxygen and an acidic solution containing halide and sulphate ions to obtain a resul... | 09/24/2002 |
| 6383460 | Process for the recovery of nickel and/or cobalt from a concentrate A process for the recovery of nickel and/or cobalt values from a concentrate containing nickel or cobalt hydroxide comprises the steps of subjecting the concentrate to a leaching stage with an ammonium solution to produce a leach solution containing nicke... | 05/07/2002 |
| 6368419 | Non-destructive oil recovery method In the non-destructive recovery of oil or other petroleum hydrocarbon from a contaminated substrate, the hydrocarbon is separated intact from the substrate by applying a hydrocarbon removing agent to the substrate and collecting the hydrocarbon separated ... | 04/09/2002 |
| 6334401 | Floating structure for the transfer of cargo A sea faring transshipper for transferring cargo from a bulk carrier to a secondary vessel comprises a pair of units provided with mutually engaging connectors for connecting the units together along a direction of travel of the transshipper. Each unit co... | 01/01/2002 |
| 6332613 | Board game Apparatus for playing a game comprises a board and plurality of playing pieces for placement on the board during play of the game for tracking the progress of the game. The board is demarcated into a number of playing areas. Each playing area is subdivide... | 12/25/2001 |
| 6329790 | Battery charger A timed electric battery charger 10 for the processing of non-lithium, small appliance and utility batteries 19 through a charging cycle comprising a current source having an alternating current input 11 and a direct current output 14 and a timer 16 for d... | 12/11/2001 |
| 6321497 | Web for insulated concrete form A web (10) for an insulated concrete form (20) comprises a pair of opposed web elements (12) and a pair of connectors (14). The web elements (12) and the connectors (14) are provided with mutually interengaging formations, such as a non-circular tube (12.... | 11/27/2001 |
| 6228905 | Drop forming method and sulphur polymer concrete process A method of transforming a molten material or melt into discrete solid particles comprises forming the melt into prills by passing the melt through a perforated member, dropping the prills onto a bed of powdered material, such as silica flour, to coat the... | 05/08/2001 |
| 6171564 | Process for extraction of metal from an ore or concentrate containing nickel and/or cobalt A process for the extraction of metal from an ore or concentrate which contains nickel and/or cobalt values and other metals, comprises subjecting the ore or concentrate to acid leaching under pressure at pHࣘ2 to obtain a liquor containing nickel and/or... | 01/09/2001 |
| 6156465 | Crosstalk correction A method of crosstalk correction comprises producing a calibration image having different printed image densities in grayscale, measuring the printed image densities at the different light exposure values to obtain a correlation of printed density in gray... | 12/05/2000 |
| 6131978 | Grapple for use on skidder A grapple prong comprising an elongate member terminating in a grapple prong and having a connecting formation thereon for connecting the tong head for pivotal movement about a pivotal axis. The tong is provided with a secondary prong thereon which is rad... | 10/17/2000 |
| 6117625 | Method and apparatus for creating a composite image by the tiling of multiple image frames A method of producing a composite image on an image recording medium from first and second component images, represented by digital image data, comprising the steps of converting the digital image data of each image into electromagnetic radiation image da... | 09/12/2000 |
| 6103204 | Selective bioleaching of zinc A method of selectively leaching zinc from a source material containing zinc in sulphide form and iron, comprises the steps of subjecting the source material to bioleaching with a strict sulphur oxidizing micro organism or a mixed culture of sulphur oxidi... | 08/15/2000 |
| 6099732 | Solvent extraction method and apparatus A method of solvent extraction for extracting a required component, such as a metal value, dissolved or dispersed in a support medium, constituting a first phase, e.g. an aqueous phase, by mixing the first phase with an extractant, constituting a second p... | 08/08/2000 |
| 6074208 | Noise reduction in fluid flow passage A fluid flow passage defined by a surface which surrounds the passage is provided with a plurality of projections, such as fibrils or brush like bristles, on the surface extending transversely to the flow passage. The projections serve to counteract or da... | 06/13/2000 |
| 6074176 | Proportional product injection circuit with two diaphragm valves A proportional fluid injector apparatus utilizing foaming agents. A pump is connected to a foaming agent and is operably connected to a differential proportional valve having a venturi. A first diaphragm control valve is operably connected between the pum... | 06/13/2000 |
| 6054105 | Process for the solvent extraction of nickel and cobalt values in the presence of magnesium ions from a solution A process for the extraction of nickel and/or cobalt values from a solution comprises the steps of effecting a cobalt solvent extraction in the presence of magnesium ions with a cobalt extractant to produce a cobalt extractant loaded with cobalt ions and ... | 04/25/2000 |
| 6053121 | Method and apparatus for exchanging ballast water in a ship A system for automatically replacing ballast water in a ballast tank of a ship comprises a water inlet port on a part of the ship where the water pressure acting on the ship when in forward motion in the water is higher than the pressure of the ballast wa... | 04/25/2000 |
| 6035542 | Surface profiling apparatus and method A surface profiler 10 has a forward support wheel 20, an intermediate support wheel 21 and a rearward support wheel 22 for travelling along a surface, the profile of which is to be measured. The wheels 20, 21, 22 are spaced apart at predetermined distance... | 03/14/2000 |
| 6010295 | Floating structure for the transfer of cargo A transshipper for the transfer of cargo from a barge to a ship or elsewhere comprises a pair of buoyant vessels, a platform supported by the buoyant vessels in a raised position above the buoyant vessels through a plurality of vertical columns connecting... | 01/04/2000 |
| 6006365 | Suspender kit and method for supporting a pair of trousers or pants A kit for supporting a pair of trousers on a wearer's body comprises a plurality of connectors for connection to the upper part of the trousers at two pairs of spaced locations at the front and rear of the trousers. The kit also includes a belt for attach... | 12/28/1999 |
| 5995653 | Digital image processing system and method A method of transforming input image data into output image data in order to form an output image which comprises a plurality of specified image areas is provided. The method comprises providing a plurality of different sets of color transform look-up tab... | 11/30/1999 |
| 5986688 | Method and apparatus for producing an image on a printing medium A method of producing an image on a printing medium comprises producing a pulse train of modelocked laser pulses, providing a source of image input data in the form of a series of gate pulse of varible length and modulating the pulse train with reference ... | 11/16/1999 |
| 5976219 | Method and apparatus for recycling of scrap metal A process for the recycling of scrap metal, such as copper wire, comprises the steps of combining the scrap metal with a concentrate of a metal similar to the scrap metal in a pressure vessel (10) and subjecting the metal concentrate to pressure oxidation... | 11/02/1999 |
| 5902474 | Chloride assisted hydrometallurgical extraction of metal A process for the extraction of precious metals from a copper sulphide ore or concentrate, by treating a leach residue of the ore or concentrate, includes the steps of removing elemental sulphur from the leach residue to obtain a low sulphur residue and s... | 05/11/1999 |
| 5874055 | Chloride assisted hydrometallurgical extraction of metal A process for the extraction of a metal from an ore or concentrate comprises subjecting the ore or concentrate to pressure oxidation in the presence of oxygen and an acidic solution containing halogen ions and a source of bisulphate or sulphate ions, such... | 02/23/1999 |
| 5875016 | Asymmetrical eyewear Eyewear (10) comprises a frame (12) for housing a pair of eye lenses (14.1), (14.2) therein. The frame (12) has a bridge portion (16) for resting on a user's nose and a pair of temple members (18.1), (18.2) for locating the frame (12) in position on the h... | 02/23/1999 |
