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 |
| 7823653 | Hand-held power tool with a belt tensioning device A hand-held power tool for driving a working tool (1) includes a drive belt (3), first and second arms (5a, 5b) longitudinally displaceable relative to each other and carrying respective deflection rollers (6) of the ... | 11/02/2010 |
| 7255016 | Soil sampler apparatus and method An apparatus removes soil samples at intervals over a field of interest. The apparatus comprises a sampling assembly (60) that rotates on a track (32) riding on a plurality of idler wheels (29, 31). A probe (66) extends and retracts under... | 08/14/2007 |
| 7237706 | Drop hammer Embodiments of the present invention pertain to a drop hammer comprising a load, an actuator connected to the load, and a fluid circuit that is connected to the actuator and is connectable to a fluid source, such as a source of hydraulic power. The fluid circuit is ... | 07/03/2007 |
| 6994494 | Device for producing bored piles Device for producing bored piles having an auger, which along at least part of the auger length is surrounded by a rotating encasing tube and during boring the encasing tube is rotated in or counter to the rotation direction of the auger and in which the auger and t... | 02/07/2006 |
| 6994171 | Two section mast with self-aligning connections A method of self-aligning connections for a two section mast. The method includes the steps of transporting the elongated bottom mast section to a guide frame adjacent to a well site, the bottom mast section having a pair of front legs and a pair of rear legs. An el... | 02/07/2006 |
| 6932163 | Roofing saw with locking mechanism and removable bearing support A saw (10) facilitates cutting of roofing and includes a frame (12) that is mobile on a work surface. A locking mechanism (40) locks the frame (12) into a transport position. Actuating a release lever (60) allows the frame (12 | 08/23/2005 |
| 5354147 | Pulverizing machine having a cutter assembly towed in both forward and reverse directions A pulverizing machine with a cutter assembly adapted to be towed when the machine is moving either forward or in reverse. The machine includes a frame, a plurality of wheels supporting the frame, a cutter assembly carried by the frame and a pair of elevat... | 10/11/1994 |
| 5291955 | Hydraulic hammer The present invention is a self-contained hydraulic hammer which is mounted on a hydraulically mobile frame. The hydraulic hammer is capable of travelling in either forward or reverse directions and is provided with liftable weights to which a tool for di... | 03/08/1994 |
| 5190398 | Apparatus for preparing a road bed An apparatus for pulverizing a surface such as a road bed, parking lot, an interstate shoulder or the like. The apparatus comprises a frame with a cutting means secured thereto. A bidirectional drive and control means is also provided to enable the appara... | 03/02/1993 |
| 5098165 | Guided roofing materials removal apparatus A roofing materials removal device provides a guide system which secures the device and the operator in position on an inclined roof so that the roof can be traversed at various positions along different travel paths while supported. The removal device co... | 03/24/1992 |
| 5037160 | Flooring remover An apparatus for the removal of flooring is described. The apparatus is powered by an internal combustion engine which moves a series of crawlers. A blade is attached to a blade-holder which is situated on the front of the flooring remover. The blade is m... | 08/06/1991 |
| 4998590 | Horizontal auger for skidsteer tractors and the like An apparatus is provided that is mountable upon preferably a skidsteer tractor, through a forklift truck or similar wheeled vehicle could be employed. The apparatus can be lowered into a trench on one side of a street or sidewalk and used to bore axially ... | 03/12/1991 |
| 4940289 | Scabbler for scabbling floors contaminated with hazardous materials A manually steerable machine for scabbling areas which are relatively inaccessible to larger machines is disclosed. Three pneumatically operable piston and cylinder assemblies with bits are mounted on a plate which is mounted in vertically movable relatio... | 07/10/1990 |
| 4889192 | Tractor-controlled hammer assembly An apparatus for supporting conventional hand-held pneumatic breakers in such a way as to break a concrete slab down to the desired precise depth. The slab can be a building floor, bridge deck, or other slab required to be broken to a predetermined depth.... | 12/26/1989 |
| 4880491 | Guided roofing materials removal apparatus A roofing materials removal device provides a guide system which secures the device and the operator in position on an inclined roof so that the roof can be traversed at various positions along different travel paths while supported. The removal device co... | 11/14/1989 |
| 4828047 | Soil sampler This invention relates to a method and apparatus for collecting subsamples of soils to be tested for infestation and nutrient content. The apparatus includes a sampling tube which is mounted on a collecting wheel which is mounted on a frame. During operat... | 05/09/1989 |
| 4343513 | Method and power transmission system for operating a road planar machine The method and power transmission system of this invention for driving a road planar machine has the cutter unit in a positive mechanical drive with the drive shaft of a machine power unit through a hydraulically actuated clutch mechanism. The wheel tract... | 08/10/1982 |
| 4319392 | Removing rail clips from a railway track A trolley runs along a railway track and a member on it strikes railway clips and removes them from rail-securing positions. The clips are of a kind having a first portion substantially parallel to the rail and driven into a projection beside the rail, a ... | 03/16/1982 |
| 4284150 | Soil sampling device A soil sampling device adapted to be mounted on a motor vehicle. The soil sampling device includes a tubular probe which is operated by means of a hydraulic cylinder and piston. A mechanism linking the probe with the piston causes the probe to swing from ... | 08/18/1981 |
| 4053958 | Surface preparation machine This device consists primarily of a tool (blade, chisel, or sanding attachment) which is attached to a tool holder. The tool holder in turn is attached by a bearing to a shaft which passes thru a flywheel, the shaft is offset from the center of the flywhe... | 10/18/1977 |
| 3970154 | Tool power system usable as substitute for vehicle propulsion The ditcher is provided with two engines. The first engine powers the hydraulic system which rotates the digging wheel. The second engine powers the hydraulic system which actuates the wheel lifting cylinders, the conveyor system and the track driving mea... | 07/20/1976 |
| 3955632 | Pipe laying apparatus Pipe laying apparatus wherein pipe drawing means are fixed to one end of a pipe and serve to pull a pipe through the ground as the pipe is rotated. The pipe is supported from a track, and a carriage movable along the track includes means for rotating the ... | 05/11/1976 |
