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"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.
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| Number | Title | Issue Date |
| 4299239 | Epicardial heart lead assembly An epicardial lead with an insertion assembly for attaching same into good stimulating contact with the heart wall, the lead having movable fixation means for fixing the distal electrode head to the heart wall in combination with a stimulating probe elect... | 11/10/1981 |
| 4286347 | Double acting turbine for converting wave energy of water to electrical power A double acting turbine for converting water wave energy to electrical power in a marine buoy or platform. A tubular body is provided one end of which is adapted to be inserted into the water wave and the second end is adapted to extend out of the water w... | 09/01/1981 |
| 4281553 | Vortex shedding flowmeter A vortex shedding flowmeter is provided with a unitary obstacle element for shedding vortices and response element reacting to forces produced by the shedding vortices. A cylindrical element may be used for omni-directional measurement capability, with a ... | 08/04/1981 |
| 4280502 | Tachycardia arrester A method and apparatus are provided for detecting and arresting a condition of tachycardia. Stimulating pulses are provided in a search routine within a selected time interval after a tachycardia beat. The heart is monitored after each pulse application a... | 07/28/1981 |
| 4278486 | Method and apparatus for corrugating paperboard In a preferred embodiment of the present invention, a web of a corrugating medium is supplied to heated corrugating rolls to which a water mist carrying a solid lubricant as a release agent has been applied evenly over the roller, a first linerboard is gl... | 07/14/1981 |
| 4277074 | Keyless chuck Apparatus is provided for opening and closing the jaws of a chuck without the use of a key. This invention is particularly suitable for improving a standard drill chuck so that tools can be easily and rapidly changed without the use of a drill chuck key. ... | 07/07/1981 |
| 4276615 | Analog read-only memory system for antilog conversion An analog read-only memory system is provided for converting an input signal to an output signal functionally related to the antilog of the input signal. A resistor-capacitor network conveniently provides an analog memory circuit, converting a linear time... | 06/30/1981 |
| 4265933 | Photovoltaic cell A large area photovoltaic cell comprising a layer of polycrystalline cadmium sulfide, about 1 to 2 microns thick, formed by simultaneously spraying two suitably selected compounds on a uniformly heated plate of Mesa glass and irradiating the layer of poly... | 05/05/1981 |
| 4262411 | Method of making a solar cell array A method of producing an array of photovoltaic cells responsive to incident radiation by forming heterojunction-forming material layers over a transparent substrate panel having a transparent electrically conductive coating and thereafter removing selecte... | 04/21/1981 |
| 4257650 | Method for recovering subsurface earth substances This invention relates to methods and systems for recovering high viscosity oils, petroleum substances and other minerals from subsurface earth formations. In particular, one or more large diameter shaft holes are provided which preferably terminate in an... | 03/24/1981 |
| 4253361 | Fully mechanized sawmill An improved fully mechanized sawmill is provided which is composed of structurally independent modules which are removably mounted on a platform composed of a plurality of side-by-side longerons supported horizontally on files of spaced-apart vertical pie... | 03/03/1981 |
| 4253324 | Drill pipe reforming method and apparatus A method and apparatus is provided for reforming crushed or otherwise damaged drill pipe and the like. A plurality of expandable shoe elements are inserted into the large diameter portion of the drill pipe adjacent the crushed section. A ram or plunger is... | 03/03/1981 |
| 4243432 | Solar cell array An array of photovoltaic cells in a back wall-type configuration supported by a rigid transparent vitreous substrate, such as glass, for admitting incident radiation to the cells. A plurality of cells are interconnected into a desired electrical configura... | 01/06/1981 |
| 4239809 | Method for quality film formation Methods and apparatus are provided for forming films of materials which are component layers of solar energy conversion devices, e. g. photovoltaic cells and heat collector panels. A selected substrate is heated while being sprayed with solutions which re... | 12/16/1980 |
| 4236525 | Multiple function lead assembly Apparatus and methods are provided for manually altering the function of the distal electrodes of a body implantable tissue stimulator assembly. In one exemplary embodiment, the polarity of distal electrodes may be reversed by axially repositioning the pr... | 12/02/1980 |
| 4233085 | Solar panel module A solar panel module is provided, wherein a plurality of solar panel units are electrically interconnected and supported within a low cost frame assembly, which may conveniently be formed from wood products. Each solar panel unit is provided with extendin... | 11/11/1980 |
| 4231365 | Emergency resuscitation apparatus An emergency resuscitation apparatus is provided by an endotracheal tube having a tracheal obturator and a second expandable cuff for sealing against the pharyngeal tissues to provide an alternate sealing means for respiratory fluids if the blind intubati... | 11/04/1980 |
| 4229108 | Optical densitometer In a preferred embodiment of the present invention, an optical densitometer is provided having an improved output scale resolution. An output scale reading from 0.000 to 4.000, having a resolution to 0.001, is obtained by improved method and apparatus for... | 10/21/1980 |
| 4229107 | Optical densitometer In a preferred embodiment of the present invention, method and apparatus are provided for converting an input light intensity representing an optical density to a standard industry scale reading. A photomultiplier tube is operated with a constant anode cu... | 10/21/1980 |
| 4228570 | Electroding preparation apparatus An apparatus is provided for forming a large area photovoltaic cell into a plurality of photovoltaic cells on a common substrate and preparing the individual cells for an overlying layer of conductive material. A tool bit is urged against the polycrystall... | 10/21/1980 |
| 4224355 | Method for quality film formation Methods and apparatus are provided for forming films of materials which are component layers of solar energy conversion devices, e.g. photovoltaic cells and heat collector panels. A selected substrate, generally glass, is heated while being sprayed with s... | 09/23/1980 |
| 4218651 | Apparatus for detecting longitudinal and transverse imperfections in elongated ferrous workpieces Apparatus for detecting defects such as fissures in the ferrous metal of elongated workpieces such as pipe may take the form of wall thickness and material continuity inspection apparatus that is located at an inspection site, with the inspection site bei... | 08/19/1980 |
| 4214880 | Liquid seal system, e.g. for a flare stack A liquid seal for isolating a source of unwanted gas from an outlet from where it is to be discharged. The seal is particularly for use at the bottom of a flare or vent stack and comprises a cylindrical housing comprising two liquid seals, one above the o... | 07/29/1980 |
| 4209862 | Bathroom fixtures and process of manufacture A method and apparatus for manufacturing reinforced composite marble-like sinks and bathtubs. A sandwiched article is provided and wherein a polyurethane foam filler is interposed between a solid marble mix layer and a reinforcing layer of fiberglass rein... | 07/01/1980 |
| 4209489 | Apparatus for treating spent hydrochloric acid Apparatus for treating spent hydrochloric acid from a galvanizing pickling bath wherein the spent acid is neutralized with ammonium hydroxide and aerated to form a solution of ammonium chloride with suspended iron oxides and hydroxides. The ammonium chlor... | 06/24/1980 |
| 4201239 | Sealing device for a valve A sealing device is provided for use in a butterfly valve, ball valve or the like wherein a seal ring is provided which forms a seal in co-operation with a rotating valve member, in which the seal is held in position by an annular pressure member which is... | 05/06/1980 |
| 4196081 | Apparatus for emergency water purification A method and apparatus for the purification of water in emergency situations is provided, comprising a manually operated pump having a discharge port connected to a plurality of series-connected treatment filters. Each filter is chosen for its ability to ... | 04/01/1980 |
| 4178395 | Methods for improving solar cell open circuit voltage A method for producing a solar cell having an increased open circuit voltage. A layer of cadmium sulfide (CdS) produced by a chemical spray technique and having residual chlorides is exposed to a flow of hydrogen sulfide (H2 S) heated to a temp... | 12/11/1979 |
| 4177927 | Apparatus for shaping and positioning fluid dispersal patterns Apparatus is provided for use in a residential shower stall and the like, wherein one or more sets of projected fluid streams are collided against the human body in dispersals having preselected shapes and movement or location functionally related to the ... | 12/11/1979 |
| 4175600 | Anti-syphon safety dispenser A dispenser apparatus for delivering water to a chemical or agricultural tank wherein a base plate is provided to removably attach the dispenser to the tank. An upstanding screw-threaded pedestal member extends from the base plate and carries a valved dis... | 11/27/1979 |
| 4173238 | Trimmer methods and apparatus for sawmills An improved trimmer section is provided for use in a sawmill, together with method and means for automatically selecting timbers and the like to be trimmed, and for automatically routing trimmed timbers to a preselected one of a plurality of different sto... | 11/06/1979 |
| 4167805 | Cuprous sulfide layer formation for photovoltaic cell An improved method for fabrication of a photovoltaic cell preferably of the CdS--Cux S type, having a copper electrode adjacent the Cux S. A portion of the CdS is converted to Cux S through ion exchange wherein the CdS is ... | 09/18/1979 |
| 4165198 | Method for forming pier foundation columns This invention comprises a technique for constructing concrete foundation columns in underwater locations, wherein the steel casing members used to form the columns may be recovered for subsequent re-use. In the technique, an inner and outer casing are pa... | 08/21/1979 |
| 4160481 | Method for recovering subsurface earth substances This invention relates to novel leaching methods and apparatus for recovering minerals such as ores, high viscosity oil, and the like, from the subsurface earth formation. More specifically, the formation is penetrated by a plurality of mine shafts or lar... | 07/10/1979 |
| 4159914 | Photovoltaic cell A photovoltaic cell having an electrically conductive substrate, which may be glass having a film of conductive tin oxide; a first layer containing a suitable semiconductor, which layer has a first component film with an amorphous structure and a second c... | 07/03/1979 |
| 4146152 | Container opener useable to close the opened hole thereof Disclosed herein is an opener for an adhesive container with a nozzle, which comprises a sharp member capable of making a hole in the closed end portion of the nozzle provided on the adhesive container body, the sharp member having a tapered sharp section... | 03/27/1979 |
| 4141267 | Sawmill method and apparatus This invention is directed to an improved stop and loader assembly for use in a sawmill and the like, and more particularly includes an improved combination slapper bar and log turner. The combination slapper bar and log turner preferably includes a recta... | 02/27/1979 |
| 4140564 | Method for corrugating paperboard Improved method for corrugating paperboard, wherein a web of a corrugating medium is treated with a solid lubricant for a release agent and supplied to heated corrugating rolls to which a water mist has been applied evenly over the rolls. The web is shape... | 02/20/1979 |
| 4138700 | Container for using a miniaturized cartridge in an eight-track player A miniaturized tape cartridge is provided and which is designed to fit within a cartridge container of dimension allowing the container/cartridge assembly to be inserted into and played in a conventional-type eight-track player machine. The container is d... | 02/06/1979 |
| 4136766 | Sawmill pull-off assembly module An improved fully mechanized sawmill is provided which is composed of structurally independent modules which are removably mounted on a platform composed of a plurality of side-by-side longerons supported horizontally on files of spaced-apart vertical pie... | 01/30/1979 |
