Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 5621995 | Gun double column staggered round high capacity magazine entrance guide A magazine entrance guide integral with the mainspring housing of the firearm is provided. It is a guide having four sloped surfaces front, back and two opposite sides guiding double column staggered round high capacity magazine entrance during insertions... | 04/22/1997 |
| 4929028 | Lift hitch A hitch apparatus having a modular configuration for mounting to a vehicle, in order to conveniently hitch a trailer thereto. The modular hitch apparatus has movable structure that is configured for selectively tilting a trailer with respect to the vehicl... | 05/29/1990 |
| 4853901 | Automatic liquid level recording device Apparatus and method for obtaining from a well drilled into the subsurface of the earth the information necessary to determine the location of the liquid surface in same. A source of pressure pulses is coupled to the well surface casing in order that the ... | 08/01/1989 |
| 4545620 | Process for the recovery of a mineral The present invention relates to an improved process for the solution mining of a mineral from a subterranean formation. More specifically, the invention relates to an improved process which enhances significantly the recovery of a mineral from a subterra... | 10/08/1985 |
| 4268271 | Reduction of the fouling potential of high sodium coal A method whereby the potential of coal having a sodium content high enough to foul coal burning equipment is significantly reduced. The method comprises selectively crushing the coal and separating it according to particle size into low and high potential... | 05/19/1981 |
| 4260193 | Method for the renovation of an aquifer The present invention relates to a method for the renovation of an aquifer subsequent to the solution mining of a mineral from the aquifer. More specifically, the invention relates to the utilization of spent ion exchange resin to remove chloride ions fro... | 04/07/1981 |
| 4258954 | Process for the solution mining of a mineral The present invention relates to an improved method for the solution mining of a mineral from a subterranean formation. More specifically, the invention relates to an improved method which enhances significantly the recovery of the mineral from a mature s... | 03/31/1981 |
| 4235613 | Preparation of sales gas Method for preparing natural gas having a high carbon dioxide, ethane and propane content to meet sales gas specifications, such as BTU requirements. The gas is prepared by cooling, followed by contacting with at least one physical solvent which has a gre... | 11/25/1980 |
| 4223948 | Process for the reduction of competitive oxidant consuming reactions in the solution mining of a mineral The present invention relates to an improved method for the solution mining of a mineral from a subterranean formation. More specifically, the invention relates to an improved method which enhances significantly the recovery of the mineral from a subterra... | 09/23/1980 |
| 4214791 | Method for improving solution flow in solution mining of a mineral The present invention relates to an improved method for the solution mining of a mineral from a subterranean formation. More specifically, the invention relates to an improved method which enhances significantly the recovery of a mineral from a subterrane... | 07/29/1980 |
| 4199325 | Inhibiting spontaneous combustion of coal A method of inhibiting the spontaneous combustion of coal which comprises treating coal with carbon dioxide to deactivate the surface of the coal to oxygen.... | 04/22/1980 |
| 4193819 | Luminescent photovoltaic solar collector A photovoltaic device composed of a luminescent sheet having a pair of flat, opposed semicircularly shaped sides connected by a thin edge face having a curved, semicylindrically shaped section and a straight section and at least one photovoltaic cell carr... | 03/18/1980 |
| 4192652 | Process for preparing sulfur-containing coal or lignite for combustion having low SO2 emissions A process for preparing a coal or lignite fuel that contains sulfur for combustion wherein reduced amounts of sulfur-containing air contaminants are emitted from the combustion. In the disclosed process, the coal or lignite that contains sulfur is pulveri... | 03/11/1980 |
| 4170456 | Inhibiting spontaneous combustion of coal char A method of inhibiting the spontaneous combustion of coal char which comprises treating coal char with air following by carbon dioxide to deactivate the surface of the coal char to oxygen.... | 10/09/1979 |
| 4148613 | Process for preparing sulfur-containing coal or lignite for combustion An improved process for preparing a coal or lignite fuel that contains sulfur for combustion wherein reduced amounts of sulfur-containing air contaminants are emitted from the combustion. In a process whereby coal or lignite that contains sulfur is pulver... | 04/10/1979 |
| 4134618 | Restoration of a leached underground reservoir The present invention relates to a method for the restoring of an underground reservoir subsequent to the solution mining of a mineral from a subterranean formation. More specifically, the invention relates to the cycling of clean water through a subterra... | 01/16/1979 |
| 4129334 | Method for locating the remaining recoverable mineral reserves during solution mining The present invention relates to a method for the solution mining of a mineral from a subterranean formation. More specifically, the invention relates to a method which enhances significantly the recovery of a mineral from a subterranean formation via sol... | 12/12/1978 |
| 4108722 | Method for the restoration of an underground reservoir The present invention relates to a method for the restoring of an underground reservoir subsequent to the solution mining of a mineral from a subterranean formation. More specifically, the invention relates to the introduction of a sulfate reducing bacter... | 08/22/1978 |
| 4105252 | Solution mining of minerals from vertically spaced zones The present invention relates to an improved method for the solution mining of a mineral from a subterranean formation. More specifically, the invention relates to an improved method which enhances significantly the recovery of a mineral via solution mini... | 08/08/1978 |
| 4092399 | Recovery of uranium from carbonate leach solutions The present invention relates to the recovery of uranium from carbonate leach solutions. More particularly, it relates to the recovery of uranium from ammonium carbonate leach solutions having molybdenum as an impurity.... | 05/30/1978 |
| 4083603 | Method for the solution mining of a mineral The present invention relates to an improved method for the solution mining of a mineral from a subterranean formation. More specifically, the invention relates to an improved method which enhances significantly the recovery of a mineral from a subterrane... | 04/11/1978 |
| 4082359 | Method for the recovery of a material The present invention relates to an improved method for the solution mining of a mineral from a subterranean formation. More specifically, the invention relates to an improved method which enhances significantly the recovery of the mineral from a subterra... | 04/04/1978 |
| 4066297 | Process for the recovery of uranium The present invention relates to a process for the solution mining of uranium from a subterranean formation. More specifically, the invention relates to the injection of an alkaline leach solution undersaturated in carbonates into a subterranean formation... | 01/03/1978 |
| 4032194 | Method for the production of minerals The present invention relates to an improved method for the solution mining of a mineral from a subterranean formation. More specifically, the invention relates to an improved method which enhances significantly the recovery of a mineral from a subterrane... | 06/28/1977 |
| 4010799 | Method for reducing power loss associated with electrical heating of a subterranean formation Method for reducing the loss of power accompanying the transmission of electrical energy down a wellbore to heat a subterranean formation via electrical conduction between a plurality of wells completed therein, characterized by providing a low frequency ... | 03/08/1977 |
| 4007788 | Recovery of bitumen from tar sands A method of recovering bitumen from a subterranean tar sand formation characterized by a plurality of steps. First, a continuous wellbore having a second section thereof contained within the formation and first and third sections thereof extending the sec... | 02/15/1977 |
| 3986557 | Production of bitumen from tar sands A method of producing bitumen from a subterranean tar sand formation characterized by the following muti-step process. First, a continuous wellbore having a second section thereof contained within the formation and a first and a third section extending sa... | 10/19/1976 |
| 3960213 | Production of bitumen by steam injection A method of producing bitumen from a subterranean tar sand formation by the following multi-step method. First, an injection well is drilled to the formation and extended into the formation. Subsequent thereto, a perforated liner is inserted into the inje... | 06/01/1976 |
| 3960214 | Recovery of bitumen by steam injection A method of recovering bitumen from a subterranean tar sand formation by the following multi-step method. First, an injection well is drilled to the formation and cased. Perforations are provided in the portion of the injection well contacting the formati... | 06/01/1976 |
| 3958636 | Production of bitumen from a tar sand formation A method of producing bitumen from a subterranean tar sand formation while heating the formation via electrical conduction between a plurality of wells completed therein characterized by a plurality of steps. First, a high back pressure is maintained on t... | 05/25/1976 |
| 3948319 | Method and apparatus for producing fluid by varying current flow through subterranean source formation Method and apparatus for heating a subterranean formation in which a plurality of wells are completed in a predetermined pattern, characterized by heating the subterranean formation by electrical conduction under conditions such that the electrical curren... | 04/06/1976 |
| 3931856 | Method of heating a subterranean formation An improved method of recovering a fluid from a subterranean formation via heating by electrical conduction between a plurality of wells completed therein, the improvement comprising drilling and completing a satellite well open to the formation and adjac... | 01/13/1976 |
