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.
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 |
| 5009039 | Skate sharpening device An automatic skate sharpener comprises a skate sharpening mechanism inside a cover. A skate loading device is pivotally mounted in an opening in the protective cover, so that it can be pivoted between a loading position, in which the skate is on the outsi... | 04/23/1991 |
| 5009040 | Blade sharpener A blade sharpener having a sharpening mechanism which functions to sharpen a blade engaging that mechanism and being moved longitudinally relative thereto. The sharpener also includes sharpening defeating means which, when operative, at least inhibits and... | 04/23/1991 |
| 5009041 | Weighted membrane structures Weights in the form of water-filled flexible tubes are attached onto the pressure supported roof membrane of a building. The weights contour the membrane from a single dome into smaller elongated domes. The decreased radii of curvature of the smaller dome... | 04/23/1991 |
| 5009042 | Modular display system A modular display system is disclosed which exhibits wall elements having vertical interior profiles arranged in the lateral corner regions. The vertical profiles are connectable among themselves by horizontally oriented profiles, and the face side of whi... | 04/23/1991 |
| 5009043 | Acoustic panel An acoustic panel having highly desirable sound absorption characteristics. The panel is preferably formed of an open frame, there being at least one septum centrally located within the frame opening and in contact with the frame members. On each side of ... | 04/23/1991 |
| 5009044 | Dual-pane thermal window with liquid crystal shade A dual-pane thermal window unit comprises two nonintersecting or, preferably, substantially parallel, spaced window panes, mounted in a window frame, a first of the panes having affixed thereto a first wall of an electro-optical liquid crystal cell provid... | 04/23/1991 |
| 5009045 | Plank structure for boat dock and the like A plastic plank member, for use with a deck arrangement, having a rigid base portion and a tread portion attached thereto which are integrally extruded of suitable plastics. The rigid portion of the plank member is adapted to be secured to an underlying s... | 04/23/1991 |
| 5009046 | Reducing hoop stress in silos Means for reducing hoop stress in a silo cell comprising a grain tube located in the lower part of the silo cell, the wall of the grain tube having apertures in the silo base allowing entry of granular material into the grain tube and a restrictor below t... | 04/23/1991 |
| 5009047 | Chimney crown mold A mold is provided for use in forming a chimney crown on the top of a chimney shell. The mold includes four side sections and four corner sections which are assembled together to form a complete unit. Each side section and each corner section has a base f... | 04/23/1991 |
| 5009048 | Glass block walls using acrylic or glass filters A system of interconnected glass blocks by bonding translucent or transparent glass or plastic plates to form the joint between the abutting surfaces of each of the blocks.... | 04/23/1991 |
| 5009050 | Roofing clamp A roofing clamp for attaching a flexible roofing sheet in a rain-tight manner. It comprises Z like halves which surround a block to clamp the roofing sheet therebetween. Machine screws hold the clamp halves together. The spacing between the clamp halves a... | 04/23/1991 |
| 5009051 | Clip construction for aligning siding sections A wall construction is provided which includes a wall upon which are located siding sections to which are fastened brick sections. The siding sections are arranged in coplanar end-to-end relationship and include abutting ends with nesting tongue and groov... | 04/23/1991 |
| 5009052 | Method and apparatus for construction of grain bins A circular base form is constructed from curved lengths of corugated steel bolted together and has apertured vertical brackets secured to the inside of the base form at spaced intervals around the inside of the form. Vertical anchor pins slide within the ... | 04/23/1991 |
| 5009053 | Storage and transport tray and tray packing system Individual beverage containers 16 are transported by conveyor track 14A to conveyor track 14B, along which they are advanced by parallel chains 34 and 36 carrying flight bars 44. Trays 26 to receive containers 16 are advanced by an inclined conveyor track... | 04/23/1991 |
| 5009054 | Method of storing thread in an embroidery thread-holder A portable storage unit with multiple linear pockets to carry a large assortment of embroidery floss of different variety and color, and a means to facilitate storage of embroidery floss into the pockets using a special tool.... | 04/23/1991 |
| 5009055 | Apparatus and method for wrapping bundles of newspapers or the like An apparatus is disclosed for wrapping a moving bundle of newspapers with a wrapping paper on three sides prior to tying the bundle with tying straps. The apparatus includes a section for stacking a bundle of newspapers and a mechanism for dispensing wrap... | 04/23/1991 |
| 5009056 | Method for preparing finger mountable dispensing cups A sealed dispensing cup is prepared by forming a portion of a plastic sheet into a cup, adding dispensable material to the cup, placing a sealable closure over the open end of the cup and marginally beyond the periphery of the open end to provide an overl... | 04/23/1991 |
| 5009057 | Method and apparatus for shrink wrapping A shrink package system is disclosed which includes a conveyer for conveying an article covered by shrink film, a hot air chamber for blowing hot air on the shrink film while the article and shrink film are on the conveyer, a plurality of rollers and a su... | 04/23/1991 |
| 5009058 | Automatic baling machine A device and method for baling a plurality of items in a sack-like bale enclosure which includes a conduit for conducting items from a conveyor to a sock-like item receptacle coaxially mounted over an outlet end of the conduit.... | 04/23/1991 |
| 5009059 | Method and apparatus for protecting the finished surfaces of sanitary fixtures The present invention concerns a method of protecting the finished surfaces of a sanitary fixture against damage during installation and construction at an installation site. In general, the method involves installing a removable protective covering over ... | 04/23/1991 |
| 5009060 | Vacuum packaging apparatus A vacuum packaging apparatus suitable for use in packing fluid foodstuffs or the like into bags. In a chamber are disposed a pair of support members having surfaces opposite relative to each other which are individually formed with suction holes. When a b... | 04/23/1991 |
| 5009061 | Process and apparatus for harvesting of crops from stalks and chopping the stalks A harvester attachment for stripping crop clusters from tall stalks such as corn includes an intake path into which the stalks are received. The stalks are pulled through a narrow gap disposed in the intake path to strip-off the crop clusters. A pair of r... | 04/23/1991 |
| 5009062 | Baling apparatus Apparatus is described for forming fibrous bulk material or the like into a baled unit and binding it. The apparatus includes: (a) a rotatable auger, (b) a tubular housing surrounding the auger, (c) feeding mechanism for feeding bulk material to the housi... | 04/23/1991 |
| 5009063 | Rotary ring spinning device provided with a ring motor A rotary ring spinning device in combination with a spindle, and utilized for a ring spinning machine provided with ring rail lifting mechanism, comprises a holder for rigidly mounting a rotary ring spinning device to the ring rail, a rotary ring body rot... | 04/23/1991 |
| 5009064 | Apparatus for measuring the particulate matter in the flue gas or exhaust gas from a combustion process An apparatus for measuring particulate matter in a flue gas or exhaust gas of a combustion process comprising means for transmitting a beam of light between an optical transmitter and an optical receiver. The light passes through two diametrically opposed... | 04/23/1991 |
| 5009065 | Tuned exhaust processor assembly An exhaust processor is provided for filtering particulate matter from a combustion product. The exhaust processor includes a partition situated inside a housing to form a first flow passage and a second flow passage in an upstream portion of the housing.... | 04/23/1991 |
| 5009066 | Automotive power steering system An automotive power steering system having a gas pressurized oil reservoir. A gas chamber is defined within the oil reservoir above the surface level of the oil therein. The surface level and volume of the gas chamber vary as the temperature of the oil ch... | 04/23/1991 |
| 5009067 | Power transmission Apparatus for training an operator in theory and practice of electrohydraulic control systems in accordance with a presently preferred embodiment of the invention comprises a plurality of electrohydraulic devices for performing hydraulic operations as dif... | 04/23/1991 |
| 5009068 | Pneumatic cylinder with positioning, braking, and feed rate control A pneumatic piston/cylinder unit comprises primary and secondary pistons operable in first and second cylinder zones respectively. Each of the primary and secondary pistons divide its respective cylinder zone into two chambers, one of the chambers of the ... | 04/23/1991 |
| 5009069 | Method of recovering energy from ocean water A conduit extends from a platform on the surface of the ocean into cold deep ocean water containing dissolved gases. Sufficient water is drawn from the top of the conduit to cause the gas containing cold deep ocean water to enter the lower end of the cond... | 04/23/1991 |
| 5009070 | Combustion apparatus for gas turbine A surface, of an inner sleeve of a combustion apparatus for a gas turbine, which is subjected to a flame radiation heat is coated with a ceramic coating. A coating which is superior in high temperature corrosion resistant characteristics to a metal materi... | 04/23/1991 |
| 5009071 | Process for adsorption cooling/conditioning by means of low-temperature heat In a process for adsorption cooling/conditioning of rooms, working media are used which comprise saturated aqueous solutions of calcium salts with an added organic polyhydroxy compound. The working media are distinguished by high salt contents and low sal... | 04/23/1991 |
| 5009072 | Refrigerator A refrigerator comprises a cold accumulator, an expansion chamber, a movable member which is provided in the expansion chamber, and which can move to change the inside volume of the expansion chamber, a compressed operating gas which is introduced into th... | 04/23/1991 |
| 5009073 | Fast cycle cryogenic flex probe An elongated fast cycle cryopump device connected to a refrigerant source has a rigid head section adapted to extend through a pass-through opening of a vacuum chamber. The head end section has a feed tube and a return flow passage, the feed tube being co... | 04/23/1991 |
| 5009074 | Low refrigerant charge protection method for a variable displacement compressor A low charge protection method for an electronically controlled variable displacement compressor. In each period of compressor operation, a low charge test sequence is carried out to monitor the system performance once the system control pressure has been... | 04/23/1991 |
| 5009075 | Fault determination test method for systems including an electronic expansion valve and electronic controller In a system for refrigeration and air conditioning including a microprocessor based electronic controller and an electronic expansion valve responsive to the controller, a fault determination test method for discovering operational faults in the controlle... | 04/23/1991 |
| 5009076 | Refrigerant loss monitor A refrigerant loss prevention system is disclosed that monitors a number of variables within a refrigerant circuit including both environmental and refrigerant conditions and arrives at expected refrigerant conditions utilizing the sensed environmental co... | 04/23/1991 |
| 5009077 | Multi-system air conditioner The air conditioner is disclosed which determines a stop mode of an outdoor heat exchanger when a difference between a total of a heating power level or levels requested from one or more indoor units and a total of a cooling power level or levels requeste... | 04/23/1991 |
| 5009078 | Multi-system air conditioning machine A total cooling capability requested from one or a plurality of indoor units is compared with a total heating capability requested from one or the plurality of indoor units to set a cooling or heating operation mode.... | 04/23/1991 |
| 5009079 | Refrigerant flow control device A simple flow control device is provided in a condensate drain pipe to prevent the flow of refrigerant vapor therethrough and to regulate the flow of liquid refrigerant as a function of the level of accumulated liquid refrigerant in the drain pipe. The on... | 04/23/1991 |
