U.S. patents available from 1976 to present.
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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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Patents Published on 04/02/2002


See All Patents Issued In 2002


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NumberTitleIssue Date
6363608Method of manufacturing piston
A composite piston and method for forming such a piston for a reciprocating machine such as an internal combustion engine. A blank is formed from a pair of dissimilar alloys, one of which has substantially greater properties such as strength or abrasion r...
04/02/2002
6363609Method and apparatus for aligning crankshaft sections
The invention discloses a method and an apparatus for aligning crankshaft sections such as center sections of so-called "pressed-together crankshafts" found in multiple-cylinder-engines of the type used in personal motorized watercrafts and snowmobiles. T...
04/02/2002
6363610Gas turbine rotor bimetallic ring seal and method therefor
A method for making a bimetallic ring seal having a nickel core covered by a first layer of platinum having a inner dense portion and a second outer portion both of which plastically deform in the presence of a load. The method includes the step of applyi...
04/02/2002
6363611Method of making an easily disassembled rotor assembly for a centrifugal separator
A five-part rotor assembly is easily disassembled for cleaning and/or sterilization. The five parts comprise a rotor sleeve, a rotor head, a weir plate, a rotor cover and an internal vane package. Each of these parts is machined as a unitary piece or othe...
04/02/2002
6363612Method of reducing burr formation during turbine bucket cover machining
A method of reducing the formation of burrs during machining of turbine bucket covers of a turbine assembly includes the steps of inserting a filler material in a gap formed between adjacent bucket covers of a turbine assembly, machining the bucket covers...
04/02/2002
6363613Torsion bar shoulder bearing
The method for manufacturing a torsion bar shoulder bearing has four method steps: (1) the manufacture of a elastomeric spring as a not fully vulcanized molding for receiving a sleeve-shaped or bolt-shaped inner connecting part in a central bore and an ou...
04/02/2002
6363614Combination utility retractable saw and knife device
The present invention provides a combination utility retractable saw and knife device that comprises a handle member having a predetermined configuration and a knife blade disposed within a cavity formed in the handle member when in a retracted position. ...
04/02/2002
6363615Folding knife with rotatable locking element and axial spring
An automatically opening knife including an elongated handle with opposing separate sides forming a spacing for a blade having a working end and a tang at the opposite end. The blade may be extended from or folded into the handle. A coil spring connected ...
04/02/2002
6363616Line retaining plate for trimmer head of string trimmer/mower apparatus
A trimmer head assembly of a string trimmer mower apparatus has a stack of plates with a ground engaging member on one end of the stack. At the other end, the stack of plates is fastened to a rotating shaft that is driven in rotation by the motor or engin...
04/02/2002
6363617Guard for cast cutter
A guard for a cast cutter includes a first member securable to a cast cutter and a second member securable to a guard member. The second member is freely movable relative to the first member during operation along a support axis. Stops limiting movement i...
04/02/2002
6363618Portable implement, especially power saw
A manually guided, portable implement, especially a power saw, is provided. The implement has a cylinder and a crankshaft that is connected to a piston via a piston rod. The implement has an essentially plastic housing as well as a lower crankcase. A stab...
04/02/2002
6363619Method and device for adjusting a distance sensor
The present invention relates to a method and an apparatus for adjusting the alignment of a beam characteristic of a distance sensor, in particular of a proximity radar for a motor vehicle. An apparatus for positioning a motor vehicle, preferably a headli...
04/02/2002
6363620Apparatus and method for measuring the loft angle and the lie angle of a golf club
The present invention is an apparatus and method for measuring the loft angle and the lie angle of a golf club. The present invention allows for comparisons to known values, and removes operator bias from the measurements. The apparatus has an encoder ass...
04/02/2002
6363621Method and apparatus for testing web bagginess
A method and portable apparatus to evaluate the planar flatness of a paper sheet comprises a pair of closely spaced horizontal edges secured in relative parallelism. The horizontal edges are separated by about three feet. The horizontal edges define a hor...
04/02/2002
6363622Multipurpose retractable tape measure
A tape measure usable for positioning and repositioning an object on a vertical surface comprises a housing having a planar forward surface, a rearward surface spaced from the forward surface, and a cavity having an aperture therein. A flexible, retractab...
04/02/2002
6363623Apparatus and method for spinning a work piece
Apparatus for spinning a work piece such as a semiconductor wafer includes a work piece platform that is configured to be rotated about a central axis. Arrayed about the periphery of the platform is a plurality of spaced apart, symmetrically positioned wo...
04/02/2002
6363624Apparatus for cleaning a semiconductor process chamber
An apparatus for distributing a cleaning gas to a semiconductor substrate processing chamber. The apparatus comprises a feed block disposed on top of the processing chamber and a support block disposed over the feed block. The feed block and the support b...
04/02/2002
6363625Multiple drum mixing system
A drying and mixing plant is provided comprising a tapered inner drum (1) and an oppositely tapered outer drum (4) attached together concentrically and rotated as a unit. A burner (37) directs a hot air stream into the small end (2) of the inner drum (1)....
04/02/2002
6363626Method and device for treating items stored in containers and storage apparatus equipped with such a device
This device for treating items stored in at least one container (12), comprises means (14) for supplying the containers with a treatment gas and means (16) for continuously purging the containers, the supply means being equipped with means (22) for regula...
04/02/2002
6363627Clothes dryer
A clothes dryer includes a housing and a hollow tube connected to a first end of the housing. The housing has plural lengthwise narrow air inlets formed in a bottom, a wind leaves wheel rotated by a motor and a heater in its interior, and a wind outlet fo...
04/02/2002
6363628Ergonomic snow shoe binding and method of making the same
An improved binding for use with snowshoes and like sport apparatus is disclosed which employs a novel mounting arrangement similar to the calcanean wrapping technique used by athletic trainers to wrap the ankles of athletes, thereby resulting in an ambid...
04/02/2002
6363629Vehicle hitch mount assembly for a snow plow
Hitch mount for hydraulically driven snow blades or other accessories that includes a mounting frame for mounting to the vehicle chassis and a one piece plow assembly and lift frame readily removably coupled to the mounting frame, the plow assembly prefer...
04/02/2002
6363630Four wheel drive snow blower
A snow thrower is provided a pair of wheels on each side. The snow thrower includes two laterally spaced wheel drive assemblies for independently supplying power from the engine to each pair of wheels. Each wheel drive assembly includes a drive sprocket, ...
04/02/2002
6363631Lateral plough
The lateral plough is attached to the hitch assembly of a grader or snow plough and is used to remove selected segments of an elongated pile of gravel or snow. The plough has an arcuate blade for pushing the gravel or snow forward. A gate is attached by a...
04/02/2002
6363632System for autonomous excavation and truck loading
In accordance with the present invention, a system to organize and coordinate components associated with earthmoving machinery capable of performing excavating and loading tasks autonomously is disclosed. The system comprises an earthmoving machine equipp...
04/02/2002
6363633Excavating implement
An excavating implement which includes a blade defining a top surface, an opposed bottom surface, a rear edge, a front edge, and opposed end surfaces. Primary cutting edges are spaced apart along the front edge, and secondary cutting edges positioned betw...
04/02/2002
6363634Apparatus and method for permanently setting pre-formed creases in pants
An apparatus for setting pre-formed creases of a pair of pants comprises a base, a pair of substantially horizontal parallel support members extending from the base. An upper crease blade is mounted to each of the support members and includes an upper app...
04/02/2002
6363635Memorial markers and method for producing the same
A low cost, repairable memorial marker for marking a gravesite. The marker is created from a top sheet of bronze and a mating bottom sheet of bronze that are formed individually via a sheet metal forming process into the desired shape for the marker and t...
04/02/2002
6363636Flame simulating assembly and components therefor
An electric fireplace is provided having an improved flame simulating apparatus. In one aspect, the flame simulating apparatus includes a light source, a flame effect element for reflecting light to produce a flame effect, and a flicker element having ref...
04/02/2002
6363637Spinning mobile
A spinning mobile includes a central shaft having first and second ends, a top mounting cap located at the first end of the shaft and a bottom mounting cap located at the second end of the shaft. A plurality of design plates are mounted to the top mountin...
04/02/2002
6363638Signboard combination having changeable signboards
A signboard device includes a base having two chambers formed in the upper portion for slidably receiving a number of signboard holders. A driving member is disposed around the chambers of the base, and a spring-biased pusher is secured on the driving mem...
04/02/2002
6363639Picture display unit
A box-like picture display unit is arranged to display two framed pictures in windows (12 and 13). The pictures are moved in turn from a stack (15) by movement of a carriage (14) up and down. When the carriage (14) is moved upwards, a finger (18) engages ...
04/02/2002
6363640Method and apparatus for changing the appearance of a display merchandiser
A method and apparatus for changing the appearance of a display merchandiser so as to resemble the appearance of a particular object, the method and apparatus including providing a plurality of sheet-like members which are attachable to selected portions ...
04/02/2002
6363641Hand-held safety signal
A hand-held wafer-like signal which is essentially flat octagonally shaped with a handle at the lower end. It has a front side and a back side. The front side is a unitary construction made by plastic injection molding and has a reflector surface, one-hal...
04/02/2002
6363642Apparatus and method for simulating the appearance of wheels
An apparatus and method for simulating the way that selected custom wheels will appear on a vehicle. The method involves creating high quality graphic reproductions of actual commercially available custom wheels and tires in the form of a wheel disc appro...
04/02/2002
6363643Adjustable sign mount with graphic
An adjustable sign mount and graphic for mounting to an associated display includes a spine, a mounting bracket and a graphic. The spine has an elongated dimension and is formed having a bracket channel and a graphic channel. Each the bracket channel and ...
04/02/2002
6363644Decorative pole cover
A decorative pole cover for enhancing the appearance of an upright building support pole or tree trunk. The decorative pole cover includes a flexible sheet having a generally rectangular shape and having upper and lower end margins and elongated flexible ...
04/02/2002
6363645Insert for display panels
An insert is adapted to be inserted in an undercut T-shaped slot extending horizontally along an exposed surface of a panel, the undercut extending parallel to the surface and including an opening extending between the undercut and the surface. The insert...
04/02/2002
6363646Locking mechanism for pistol
A locking mechanism that can be used on pistols having an enclosed firing pin assembly. The locking device primarily comprises a firing pin assembly, spacer sleeves, and a slide cover keyed plate. The locking mechanism is controlled by a key, giving the a...
04/02/2002
6363647Firearm with safety system having a communications package
A module having a housing, a battery, control circuitry and electrical conductors. The battery and control circuitry are contained in the housing. The housing is adapted to be removably connected to the frame of a firearm. The electrical conductors are lo...
04/02/2002
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